PDB Short entry for 2ISZ
HEADER    TRANSCRIPTION/DNA                       18-OCT-06   2ISZ              
TITLE     CRYSTAL STRUCTURE OF A TWO-DOMAIN IDER-DNA COMPLEX CRYSTAL FORM I     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MBTA/MBTB OPERATOR STRAND 1;                               
COMPND   3 CHAIN: E;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: MBTA/MBTB OPERATOR STRAND 2;                               
COMPND   7 CHAIN: F;                                                            
COMPND   8 ENGINEERED: YES;                                                     
COMPND   9 MOL_ID: 3;                                                           
COMPND  10 MOLECULE: IRON-DEPENDENT REPRESSOR IDER;                             
COMPND  11 CHAIN: A, B, C, D;                                                   
COMPND  12 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 MOL_ID: 2;                                                           
SOURCE   4 SYNTHETIC: YES;                                                      
SOURCE   5 MOL_ID: 3;                                                           
SOURCE   6 ORGANISM_SCIENTIFIC: MYCOBACTERIUM TUBERCULOSIS;                     
SOURCE   7 ORGANISM_TAXID: 1773;                                                
SOURCE   8 GENE: IDER,DTXR;                                                     
SOURCE   9 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE  10 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE  11 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3);                                
SOURCE  12 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  13 EXPRESSION_SYSTEM_PLASMID: PAER36                                    
KEYWDS    DNA-BINDING PROTEIN, TRANSCRIPTION-DNA COMPLEX                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    G.WISEDCHAISRI,C.J.CHOU,M.WU,C.ROACH,A.E.RICE,R.K.HOLMES,C.BEESON,    
AUTHOR   2 W.G.HOL                                                              
REVDAT   3   18-OCT-17 2ISZ    1       REMARK                                   
REVDAT   2   24-FEB-09 2ISZ    1       VERSN                                    
REVDAT   1   13-FEB-07 2ISZ    0                                                
JRNL        AUTH   G.WISEDCHAISRI,C.J.CHOU,M.WU,C.ROACH,A.E.RICE,R.K.HOLMES,    
JRNL        AUTH 2 C.BEESON,W.G.HOL                                             
JRNL        TITL   CRYSTAL STRUCTURES, METAL ACTIVATION, AND DNA-BINDING        
JRNL        TITL 2 PROPERTIES OF TWO-DOMAIN IDER FROM MYCOBACTERIUM             
JRNL        TITL 3 TUBERCULOSIS                                                 
JRNL        REF    BIOCHEMISTRY                  V.  46   436 2007              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   17209554                                                     
JRNL        DOI    10.1021/BI0609826                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.40 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0005                                      
REMARK   3   AUTHORS     : MURSHUDOV,VAGIN,DODSON                               
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 90.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 34889                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.201                           
REMARK   3   R VALUE            (WORKING SET) : 0.199                           
REMARK   3   FREE R VALUE                     : 0.239                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1754                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.40                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.47                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1488                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 54.13                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2480                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 65                           
REMARK   3   BIN FREE R VALUE                    : 0.3800                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4440                                    
REMARK   3   NUCLEIC ACID ATOMS       : 1347                                    
REMARK   3   HETEROGEN ATOMS          : 15                                      
REMARK   3   SOLVENT ATOMS            : 142                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 40.30                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.75000                                              
REMARK   3    B22 (A**2) : -0.85000                                             
REMARK   3    B33 (A**2) : -0.29000                                             
REMARK   3    B12 (A**2) : 0.55000                                              
REMARK   3    B13 (A**2) : 0.48000                                              
REMARK   3    B23 (A**2) : -1.45000                                             
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.402         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.257         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.183         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 7.812         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.943                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.915                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  6048 ; 0.007 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  8432 ; 1.134 ; 2.265       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   556 ; 4.650 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   215 ;34.951 ;22.791       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   824 ;16.900 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    60 ;19.238 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   974 ; 0.066 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  4051 ; 0.003 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  2729 ; 0.222 ; 0.300       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  4019 ; 0.315 ; 0.500       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   486 ; 0.216 ; 0.500       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     9 ; 0.320 ; 0.500       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    43 ; 0.201 ; 0.300       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    11 ; 0.208 ; 0.500       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  2792 ; 1.072 ; 3.000       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  4524 ; 1.872 ; 4.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  3572 ; 1.236 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  3908 ; 1.648 ; 4.000       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 2ISZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-OCT-06.                  
REMARK 100 THE DEPOSITION ID IS D_1000039977.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 8.2.2                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0781                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 34892                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 90.4                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.07500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.9000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.49                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 60.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.29600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: 1U8R                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 55.67                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.77                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 28% PEG 3350, 0.2 M AMMONIUM ACETATE,    
REMARK 280  0.1 M BIS-TRIS PH 7.5, VAPOR DIFFUSION, SITTING DROP,               
REMARK 280  TEMPERATURE 298K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE ASYMMETRIC UNIT CONTAINS ONE BIOLOGICAL DOUBLE-DIMER     
REMARK 300 TWO-DOMAIN IDER-DNA COMPLEX                                          
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: HEXAMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, F, A, B, C, D                      
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     ALA A   141                                                      
REMARK 465     SER A   142                                                      
REMARK 465     GLU A   143                                                      
REMARK 465     ASN A   144                                                      
REMARK 465     LEU A   145                                                      
REMARK 465     TYR A   146                                                      
REMARK 465     PHE A   147                                                      
REMARK 465     GLN A   148                                                      
REMARK 465     GLY A   149                                                      
REMARK 465     GLY A   150                                                      
REMARK 465     GLY A   151                                                      
REMARK 465     HIS A   152                                                      
REMARK 465     HIS A   153                                                      
REMARK 465     HIS A   154                                                      
REMARK 465     HIS A   155                                                      
REMARK 465     HIS A   156                                                      
REMARK 465     HIS A   157                                                      
REMARK 465     ALA B   141                                                      
REMARK 465     SER B   142                                                      
REMARK 465     GLU B   143                                                      
REMARK 465     ASN B   144                                                      
REMARK 465     LEU B   145                                                      
REMARK 465     TYR B   146                                                      
REMARK 465     PHE B   147                                                      
REMARK 465     GLN B   148                                                      
REMARK 465     GLY B   149                                                      
REMARK 465     GLY B   150                                                      
REMARK 465     GLY B   151                                                      
REMARK 465     HIS B   152                                                      
REMARK 465     HIS B   153                                                      
REMARK 465     HIS B   154                                                      
REMARK 465     HIS B   155                                                      
REMARK 465     HIS B   156                                                      
REMARK 465     HIS B   157                                                      
REMARK 465     ALA C   141                                                      
REMARK 465     SER C   142                                                      
REMARK 465     GLU C   143                                                      
REMARK 465     ASN C   144                                                      
REMARK 465     LEU C   145                                                      
REMARK 465     TYR C   146                                                      
REMARK 465     PHE C   147                                                      
REMARK 465     GLN C   148                                                      
REMARK 465     GLY C   149                                                      
REMARK 465     GLY C   150                                                      
REMARK 465     GLY C   151                                                      
REMARK 465     HIS C   152                                                      
REMARK 465     HIS C   153                                                      
REMARK 465     HIS C   154                                                      
REMARK 465     HIS C   155                                                      
REMARK 465     HIS C   156                                                      
REMARK 465     HIS C   157                                                      
REMARK 465     ALA D   141                                                      
REMARK 465     SER D   142                                                      
REMARK 465     GLU D   143                                                      
REMARK 465     ASN D   144                                                      
REMARK 465     LEU D   145                                                      
REMARK 465     TYR D   146                                                      
REMARK 465     PHE D   147                                                      
REMARK 465     GLN D   148                                                      
REMARK 465     GLY D   149                                                      
REMARK 465     GLY D   150                                                      
REMARK 465     GLY D   151                                                      
REMARK 465     HIS D   152                                                      
REMARK 465     HIS D   153                                                      
REMARK 465     HIS D   154                                                      
REMARK 465     HIS D   155                                                      
REMARK 465     HIS D   156                                                      
REMARK 465     HIS D   157                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     TRP C  94    CD1  CD2  NE1  CE2  CE3  CZ2  CZ3                   
REMARK 470     TRP C  94    CH2                                                 
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   OD1  ASP B   111     NH1  ARG B   115              2.18            
REMARK 500   O    HOH C  2023     O    HOH C  2024              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500     DG F  13   O3'    DG F  13   C3'    -0.036                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500     DC E   1   O4' -  C4' -  C3' ANGL. DEV. =  -3.9 DEGREES          
REMARK 500     DC E   1   O4' -  C1' -  N1  ANGL. DEV. =   2.1 DEGREES          
REMARK 500     DT E   4   O4' -  C1' -  N1  ANGL. DEV. =   2.5 DEGREES          
REMARK 500     DG E   5   O4' -  C1' -  N9  ANGL. DEV. =   1.9 DEGREES          
REMARK 500     DA E   8   O4' -  C1' -  N9  ANGL. DEV. =   2.2 DEGREES          
REMARK 500     DG E   9   O4' -  C1' -  N9  ANGL. DEV. =   5.2 DEGREES          
REMARK 500     DG E  14   C3' -  C2' -  C1' ANGL. DEV. =  -5.9 DEGREES          
REMARK 500     DG E  14   O4' -  C1' -  N9  ANGL. DEV. =   2.6 DEGREES          
REMARK 500     DC E  19   C3' -  C2' -  C1' ANGL. DEV. =  -6.4 DEGREES          
REMARK 500     DC E  19   O4' -  C1' -  N1  ANGL. DEV. =   2.0 DEGREES          
REMARK 500     DC E  20   O4' -  C4' -  C3' ANGL. DEV. =  -4.0 DEGREES          
REMARK 500     DC E  20   C4' -  C3' -  C2' ANGL. DEV. =  -5.5 DEGREES          
REMARK 500     DC E  20   O4' -  C1' -  N1  ANGL. DEV. =   2.9 DEGREES          
REMARK 500     DA E  24   O4' -  C1' -  N9  ANGL. DEV. =   2.5 DEGREES          
REMARK 500     DT E  25   O4' -  C1' -  N1  ANGL. DEV. =   2.3 DEGREES          
REMARK 500     DG E  30   O4' -  C1' -  N9  ANGL. DEV. =   3.2 DEGREES          
REMARK 500     DT E  31   O4' -  C1' -  N1  ANGL. DEV. =   2.2 DEGREES          
REMARK 500     DG F  12   O4' -  C1' -  N9  ANGL. DEV. =   6.1 DEGREES          
REMARK 500     DC F  15   O4' -  C1' -  N1  ANGL. DEV. =   4.2 DEGREES          
REMARK 500     DG F  17   C3' -  C2' -  C1' ANGL. DEV. =  -4.9 DEGREES          
REMARK 500     DG F  17   O4' -  C1' -  N9  ANGL. DEV. =   3.6 DEGREES          
REMARK 500     DG F  21   O4' -  C1' -  N9  ANGL. DEV. =   2.7 DEGREES          
REMARK 500     DG F  23   O4' -  C4' -  C3' ANGL. DEV. =  -3.7 DEGREES          
REMARK 500     DC F  24   O4' -  C1' -  N1  ANGL. DEV. =   1.9 DEGREES          
REMARK 500     DC F  28   O4' -  C1' -  N1  ANGL. DEV. =   2.2 DEGREES          
REMARK 500     DG F  30   O4' -  C1' -  N9  ANGL. DEV. =   2.1 DEGREES          
REMARK 500     DG F  31   O4' -  C1' -  N9  ANGL. DEV. =   5.3 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    VAL A   5      -61.54     57.91                                   
REMARK 500    ARG A  60        3.84     81.66                                   
REMARK 500    THR A  65     -165.17    -68.91                                   
REMARK 500    GLU A  95        5.04    -68.95                                   
REMARK 500    VAL B   5      -56.38     72.38                                   
REMARK 500    PRO B  25       94.42    -69.67                                   
REMARK 500    ARG B  60      -13.30     87.24                                   
REMARK 500    VAL C   5      -55.21     71.34                                   
REMARK 500    ASN C 121       72.75     66.88                                   
REMARK 500    ASN C 122       72.79     27.22                                   
REMARK 500    VAL D   5      -60.44     74.98                                   
REMARK 500    ARG D  60       -2.45     81.95                                   
REMARK 500    PRO D 127       -3.24    -59.71                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NI A1001  NI                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  83   OE2                                                    
REMARK 620 2 HOH A2030   O    87.6                                              
REMARK 620 3 HIS A  79   NE2  84.0 127.1                                        
REMARK 620 4 HIS A  98   ND1 120.3 136.5  90.9                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NI A1002  NI                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 MET A  10   SD                                                     
REMARK 620 2 GLU A 105   OE2  88.5                                              
REMARK 620 3 HIS A 106   NE2  94.7  89.6                                        
REMARK 620 4 HOH A2013   O    89.2 172.8  83.8                                  
REMARK 620 5 CYS A 102   O   177.0  93.1  82.8  89.0                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA A2001  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A2029   O                                                      
REMARK 620 2 HOH F  51   O    85.3                                              
REMARK 620 3 HOH F  50   O    93.6 151.6                                        
REMARK 620 4 HOH A2028   O    68.1 110.4  95.3                                  
REMARK 620 5  DC F  19   OP1 145.8  65.4 103.9 137.2                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NI B1001  NI                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU B  83   OE2                                                    
REMARK 620 2 HOH B1028   O   149.1                                              
REMARK 620 3 HIS B  98   ND1 105.4 105.5                                        
REMARK 620 4 HIS B  79   NE2  82.7  91.0 103.7                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NI B1002  NI                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 MET B  10   SD                                                     
REMARK 620 2 GLU B 105   OE2  87.9                                              
REMARK 620 3 CYS B 102   O   177.6  90.3                                        
REMARK 620 4 HIS B 106   NE2  92.1  82.2  86.2                                  
REMARK 620 5 CYS B 102   SG  101.1 103.5  80.8 165.8                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NI B1003  NI                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH B1030   O                                                      
REMARK 620 2 HOH B1019   O   147.9                                              
REMARK 620 3 HOH B1009   O    90.2  73.1                                        
REMARK 620 4 HIS B  61   ND1 106.5 104.1 104.2                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NI C1001  NI                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU C  83   OE2                                                    
REMARK 620 2 HIS C  98   ND1 136.8                                              
REMARK 620 3 HIS C  79   NE2  88.9  95.9                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NI C1002  NI                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS C 106   NE2                                                    
REMARK 620 2 GLU C 105   OE2  85.6                                              
REMARK 620 3 CYS C 102   O    87.5  94.5                                        
REMARK 620 4 HOH C2020   O    90.8 175.8  83.2                                  
REMARK 620 5 MET C  10   SD   86.1  87.0 173.3  94.8                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NI C1003  NI                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH C2024   O                                                      
REMARK 620 2 HOH C2023   O    57.4                                              
REMARK 620 3 HIS C  61   ND1 133.5 102.1                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA C2001  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH E  55   O                                                      
REMARK 620 2 HOH C2018   O    81.0                                              
REMARK 620 3 HOH E  58   O   136.1 142.7                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NI D1001  NI                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS D  79   NE2                                                    
REMARK 620 2 GLU D  83   OE2  88.3                                              
REMARK 620 3 HOH D2017   O   146.7  96.2                                        
REMARK 620 4 HIS D  98   ND1  97.0 123.8 107.5                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NI D1002  NI                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU D 105   OE2                                                    
REMARK 620 2 CYS D 102   O    98.8                                              
REMARK 620 3 MET D  10   SD   91.4 164.5                                        
REMARK 620 4 HIS D 106   NE2  97.2  98.2  92.0                                  
REMARK 620 5 HOH D2006   O   176.3  78.2  91.1  85.4                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NI D1003  NI                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH D2019   O                                                      
REMARK 620 2 HOH D2018   O    92.9                                              
REMARK 620 3 HIS D  61   ND1  94.4 120.2                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA D2001  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH D2014   O                                                      
REMARK 620 2 HOH D2015   O    81.2                                              
REMARK 620 3 HOH F  49   O   100.9  84.7                                        
REMARK 620 N                    1     2                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI A 1001                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI A 1002                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI A 1003                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI B 1001                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI B 1002                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI B 1003                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI C 1001                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI C 1002                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI C 1003                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI D 1001                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI D 1002                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI D 1003                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 2001                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA C 2001                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA D 2001                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1FX7   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE COBALT-ACTIVATED FULL-LENGTH IDER           
REMARK 900 RELATED ID: 1U8R   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF A FULL-LENGTH IDER-DNA COMPLEX                  
REMARK 900 RELATED ID: 2ISY   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE NICKEL-ACTIVATED TWO-DOMAIN IRON-DEPENDENT  
REMARK 900 REGULATOR                                                            
REMARK 900 RELATED ID: 2IT0   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF A TWO-DOMAIN IDER-DNA COMPLEX CRYSTAL FORM II   
DBREF  2ISZ A    1   140  UNP    P0A672   IDER_MYCTU       1    140             
DBREF  2ISZ B    1   140  UNP    P0A672   IDER_MYCTU       1    140             
DBREF  2ISZ C    1   140  UNP    P0A672   IDER_MYCTU       1    140             
DBREF  2ISZ D    1   140  UNP    P0A672   IDER_MYCTU       1    140             
DBREF  2ISZ E    1    33  PDB    2ISZ     2ISZ             1     33             
DBREF  2ISZ F    1    33  PDB    2ISZ     2ISZ             1     33             
SEQADV 2ISZ ALA A  141  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ SER A  142  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ GLU A  143  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ ASN A  144  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ LEU A  145  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ TYR A  146  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ PHE A  147  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ GLN A  148  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ GLY A  149  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ GLY A  150  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ GLY A  151  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS A  152  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS A  153  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS A  154  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS A  155  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS A  156  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS A  157  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ ALA B  141  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ SER B  142  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ GLU B  143  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ ASN B  144  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ LEU B  145  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ TYR B  146  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ PHE B  147  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ GLN B  148  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ GLY B  149  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ GLY B  150  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ GLY B  151  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS B  152  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS B  153  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS B  154  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS B  155  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS B  156  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS B  157  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ ALA C  141  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ SER C  142  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ GLU C  143  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ ASN C  144  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ LEU C  145  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ TYR C  146  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ PHE C  147  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ GLN C  148  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ GLY C  149  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ GLY C  150  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ GLY C  151  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS C  152  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS C  153  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS C  154  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS C  155  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS C  156  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS C  157  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ ALA D  141  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ SER D  142  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ GLU D  143  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ ASN D  144  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ LEU D  145  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ TYR D  146  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ PHE D  147  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ GLN D  148  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ GLY D  149  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ GLY D  150  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ GLY D  151  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS D  152  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS D  153  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS D  154  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS D  155  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS D  156  UNP  P0A672              EXPRESSION TAG                 
SEQADV 2ISZ HIS D  157  UNP  P0A672              EXPRESSION TAG                 
SEQRES   1 E   33   DC  DC  DC  DT  DG  DT  DT  DA  DG  DC  DA  DC  DA          
SEQRES   2 E   33   DG  DG  DC  DT  DG  DC  DC  DC  DT  DA  DA  DT  DT          
SEQRES   3 E   33   DT  DT  DA  DG  DT  DG  DG                                  
SEQRES   1 F   33   DC  DA  DC  DT  DA  DA  DA  DA  DT  DT  DA  DG  DG          
SEQRES   2 F   33   DG  DC  DA  DG  DC  DC  DT  DG  DT  DG  DC  DT  DA          
SEQRES   3 F   33   DA  DC  DA  DG  DG  DG  DC                                  
SEQRES   1 A  157  MET ASN GLU LEU VAL ASP THR THR GLU MET TYR LEU ARG          
SEQRES   2 A  157  THR ILE TYR ASP LEU GLU GLU GLU GLY VAL THR PRO LEU          
SEQRES   3 A  157  ARG ALA ARG ILE ALA GLU ARG LEU ASP GLN SER GLY PRO          
SEQRES   4 A  157  THR VAL SER GLN THR VAL SER ARG MET GLU ARG ASP GLY          
SEQRES   5 A  157  LEU LEU ARG VAL ALA GLY ASP ARG HIS LEU GLU LEU THR          
SEQRES   6 A  157  GLU LYS GLY ARG ALA LEU ALA ILE ALA VAL MET ARG LYS          
SEQRES   7 A  157  HIS ARG LEU ALA GLU ARG LEU LEU VAL ASP VAL ILE GLY          
SEQRES   8 A  157  LEU PRO TRP GLU GLU VAL HIS ALA GLU ALA CYS ARG TRP          
SEQRES   9 A  157  GLU HIS VAL MET SER GLU ASP VAL GLU ARG ARG LEU VAL          
SEQRES  10 A  157  LYS VAL LEU ASN ASN PRO THR THR SER PRO PHE GLY ASN          
SEQRES  11 A  157  PRO ILE PRO GLY LEU VAL GLU LEU GLY VAL ALA SER GLU          
SEQRES  12 A  157  ASN LEU TYR PHE GLN GLY GLY GLY HIS HIS HIS HIS HIS          
SEQRES  13 A  157  HIS                                                          
SEQRES   1 B  157  MET ASN GLU LEU VAL ASP THR THR GLU MET TYR LEU ARG          
SEQRES   2 B  157  THR ILE TYR ASP LEU GLU GLU GLU GLY VAL THR PRO LEU          
SEQRES   3 B  157  ARG ALA ARG ILE ALA GLU ARG LEU ASP GLN SER GLY PRO          
SEQRES   4 B  157  THR VAL SER GLN THR VAL SER ARG MET GLU ARG ASP GLY          
SEQRES   5 B  157  LEU LEU ARG VAL ALA GLY ASP ARG HIS LEU GLU LEU THR          
SEQRES   6 B  157  GLU LYS GLY ARG ALA LEU ALA ILE ALA VAL MET ARG LYS          
SEQRES   7 B  157  HIS ARG LEU ALA GLU ARG LEU LEU VAL ASP VAL ILE GLY          
SEQRES   8 B  157  LEU PRO TRP GLU GLU VAL HIS ALA GLU ALA CYS ARG TRP          
SEQRES   9 B  157  GLU HIS VAL MET SER GLU ASP VAL GLU ARG ARG LEU VAL          
SEQRES  10 B  157  LYS VAL LEU ASN ASN PRO THR THR SER PRO PHE GLY ASN          
SEQRES  11 B  157  PRO ILE PRO GLY LEU VAL GLU LEU GLY VAL ALA SER GLU          
SEQRES  12 B  157  ASN LEU TYR PHE GLN GLY GLY GLY HIS HIS HIS HIS HIS          
SEQRES  13 B  157  HIS                                                          
SEQRES   1 C  157  MET ASN GLU LEU VAL ASP THR THR GLU MET TYR LEU ARG          
SEQRES   2 C  157  THR ILE TYR ASP LEU GLU GLU GLU GLY VAL THR PRO LEU          
SEQRES   3 C  157  ARG ALA ARG ILE ALA GLU ARG LEU ASP GLN SER GLY PRO          
SEQRES   4 C  157  THR VAL SER GLN THR VAL SER ARG MET GLU ARG ASP GLY          
SEQRES   5 C  157  LEU LEU ARG VAL ALA GLY ASP ARG HIS LEU GLU LEU THR          
SEQRES   6 C  157  GLU LYS GLY ARG ALA LEU ALA ILE ALA VAL MET ARG LYS          
SEQRES   7 C  157  HIS ARG LEU ALA GLU ARG LEU LEU VAL ASP VAL ILE GLY          
SEQRES   8 C  157  LEU PRO TRP GLU GLU VAL HIS ALA GLU ALA CYS ARG TRP          
SEQRES   9 C  157  GLU HIS VAL MET SER GLU ASP VAL GLU ARG ARG LEU VAL          
SEQRES  10 C  157  LYS VAL LEU ASN ASN PRO THR THR SER PRO PHE GLY ASN          
SEQRES  11 C  157  PRO ILE PRO GLY LEU VAL GLU LEU GLY VAL ALA SER GLU          
SEQRES  12 C  157  ASN LEU TYR PHE GLN GLY GLY GLY HIS HIS HIS HIS HIS          
SEQRES  13 C  157  HIS                                                          
SEQRES   1 D  157  MET ASN GLU LEU VAL ASP THR THR GLU MET TYR LEU ARG          
SEQRES   2 D  157  THR ILE TYR ASP LEU GLU GLU GLU GLY VAL THR PRO LEU          
SEQRES   3 D  157  ARG ALA ARG ILE ALA GLU ARG LEU ASP GLN SER GLY PRO          
SEQRES   4 D  157  THR VAL SER GLN THR VAL SER ARG MET GLU ARG ASP GLY          
SEQRES   5 D  157  LEU LEU ARG VAL ALA GLY ASP ARG HIS LEU GLU LEU THR          
SEQRES   6 D  157  GLU LYS GLY ARG ALA LEU ALA ILE ALA VAL MET ARG LYS          
SEQRES   7 D  157  HIS ARG LEU ALA GLU ARG LEU LEU VAL ASP VAL ILE GLY          
SEQRES   8 D  157  LEU PRO TRP GLU GLU VAL HIS ALA GLU ALA CYS ARG TRP          
SEQRES   9 D  157  GLU HIS VAL MET SER GLU ASP VAL GLU ARG ARG LEU VAL          
SEQRES  10 D  157  LYS VAL LEU ASN ASN PRO THR THR SER PRO PHE GLY ASN          
SEQRES  11 D  157  PRO ILE PRO GLY LEU VAL GLU LEU GLY VAL ALA SER GLU          
SEQRES  12 D  157  ASN LEU TYR PHE GLN GLY GLY GLY HIS HIS HIS HIS HIS          
SEQRES  13 D  157  HIS                                                          
HET     NI  A1001       1                                                       
HET     NI  A1002       1                                                       
HET     NI  A1003       1                                                       
HET     NA  A2001       1                                                       
HET     NI  B1001       1                                                       
HET     NI  B1002       1                                                       
HET     NI  B1003       1                                                       
HET     NI  C1001       1                                                       
HET     NI  C1002       1                                                       
HET     NI  C1003       1                                                       
HET     NA  C2001       1                                                       
HET     NI  D1001       1                                                       
HET     NI  D1002       1                                                       
HET     NI  D1003       1                                                       
HET     NA  D2001       1                                                       
HETNAM      NI NICKEL (II) ION                                                  
HETNAM      NA SODIUM ION                                                       
FORMUL   7   NI    12(NI 2+)                                                    
FORMUL  10   NA    3(NA 1+)                                                     
FORMUL  22  HOH   *142(H2 O)                                                    
HELIX    1   1 ASP A    6  GLY A   22  1                                  17    
HELIX    2   2 LEU A   26  ASP A   35  1                                  10    
HELIX    3   3 SER A   37  ASP A   51  1                                  15    
HELIX    4   4 THR A   65  VAL A   89  1                                  25    
HELIX    5   5 PRO A   93  GLU A  105  1                                  13    
HELIX    6   6 SER A  109  LEU A  120  1                                  12    
HELIX    7   7 GLY A  134  GLY A  139  1                                   6    
HELIX    8   8 ASP B    6  GLY B   22  1                                  17    
HELIX    9   9 LEU B   26  ASP B   35  1                                  10    
HELIX   10  10 SER B   37  ASP B   51  1                                  15    
HELIX   11  11 THR B   65  VAL B   89  1                                  25    
HELIX   12  12 PRO B   93  GLU B  105  1                                  13    
HELIX   13  13 SER B  109  LEU B  120  1                                  12    
HELIX   14  14 ASP C    6  GLY C   22  1                                  17    
HELIX   15  15 LEU C   26  ASP C   35  1                                  10    
HELIX   16  16 SER C   37  ASP C   51  1                                  15    
HELIX   17  17 THR C   65  VAL C   89  1                                  25    
HELIX   18  18 PRO C   93  GLU C   95  5                                   3    
HELIX   19  19 GLU C   96  GLU C  105  1                                  10    
HELIX   20  20 SER C  109  LEU C  120  1                                  12    
HELIX   21  21 GLY C  134  VAL C  140  1                                   7    
HELIX   22  22 ASP D    6  GLY D   22  1                                  17    
HELIX   23  23 LEU D   26  ASP D   35  1                                  10    
HELIX   24  24 SER D   37  ASP D   51  1                                  15    
HELIX   25  25 THR D   65  VAL D   89  1                                  25    
HELIX   26  26 PRO D   93  GLU D   95  5                                   3    
HELIX   27  27 GLU D   96  GLU D  105  1                                  10    
HELIX   28  28 SER D  109  LEU D  120  1                                  12    
HELIX   29  29 GLY D  134  GLY D  139  1                                   6    
SHEET    1   A 2 LEU A  54  VAL A  56  0                                        
SHEET    2   A 2 LEU A  62  LEU A  64 -1  O  GLU A  63   N  ARG A  55           
SHEET    1   B 2 LEU B  54  VAL B  56  0                                        
SHEET    2   B 2 LEU B  62  LEU B  64 -1  O  GLU B  63   N  ARG B  55           
SHEET    1   C 2 LEU C  54  VAL C  56  0                                        
SHEET    2   C 2 LEU C  62  LEU C  64 -1  O  GLU C  63   N  ARG C  55           
SHEET    1   D 2 LEU D  54  VAL D  56  0                                        
SHEET    2   D 2 LEU D  62  LEU D  64 -1  O  GLU D  63   N  ARG D  55           
LINK        NI    NI A1001                 OE2 GLU A  83     1555   1555  1.97  
LINK        NI    NI A1001                 O   HOH A2030     1555   1555  2.60  
LINK        NI    NI A1001                 NE2 HIS A  79     1555   1555  2.04  
LINK        NI    NI A1001                 ND1 HIS A  98     1555   1555  2.05  
LINK        NI    NI A1002                 SD  MET A  10     1555   1555  2.37  
LINK        NI    NI A1002                 OE2 GLU A 105     1555   1555  1.95  
LINK        NI    NI A1002                 NE2 HIS A 106     1555   1555  2.03  
LINK        NI    NI A1002                 O   HOH A2013     1555   1555  1.99  
LINK        NI    NI A1002                 O   CYS A 102     1555   1555  1.97  
LINK        NI    NI A1003                 ND1 HIS A  61     1555   1555  2.03  
LINK        NA    NA A2001                 O   HOH A2029     1555   1555  2.00  
LINK        NA    NA A2001                 O   HOH F  51     1555   1555  1.86  
LINK        NA    NA A2001                 O   HOH F  50     1555   1555  2.10  
LINK        NA    NA A2001                 O   HOH A2028     1555   1555  2.24  
LINK        NI    NI B1001                 OE2 GLU B  83     1555   1555  1.96  
LINK        NI    NI B1001                 O   HOH B1028     1555   1555  2.61  
LINK        NI    NI B1001                 ND1 HIS B  98     1555   1555  2.05  
LINK        NI    NI B1001                 NE2 HIS B  79     1555   1555  2.03  
LINK        NI    NI B1002                 SD  MET B  10     1555   1555  2.33  
LINK        NI    NI B1002                 OE2 GLU B 105     1555   1555  1.95  
LINK        NI    NI B1002                 O   CYS B 102     1555   1555  1.96  
LINK        NI    NI B1002                 NE2 HIS B 106     1555   1555  2.04  
LINK        NI    NI B1002                 SG  CYS B 102     1555   1555  2.62  
LINK        NI    NI B1003                 O   HOH B1030     1555   1555  1.83  
LINK        NI    NI B1003                 O   HOH B1019     1555   1555  2.32  
LINK        NI    NI B1003                 O   HOH B1009     1555   1555  2.33  
LINK        NI    NI B1003                 ND1 HIS B  61     1555   1555  2.03  
LINK        NI    NI C1001                 OE2 GLU C  83     1555   1555  1.96  
LINK        NI    NI C1001                 ND1 HIS C  98     1555   1555  2.04  
LINK        NI    NI C1001                 NE2 HIS C  79     1555   1555  2.04  
LINK        NI    NI C1002                 NE2 HIS C 106     1555   1555  2.02  
LINK        NI    NI C1002                 OE2 GLU C 105     1555   1555  1.96  
LINK        NI    NI C1002                 O   CYS C 102     1555   1555  1.96  
LINK        NI    NI C1002                 O   HOH C2020     1555   1555  2.31  
LINK        NI    NI C1002                 SD  MET C  10     1555   1555  2.36  
LINK        NI    NI C1003                 O   HOH C2024     1555   1555  2.44  
LINK        NI    NI C1003                 O   HOH C2023     1555   1555  2.07  
LINK        NI    NI C1003                 ND1 HIS C  61     1555   1555  2.02  
LINK        NA    NA C2001                 O   HOH E  55     1555   1555  2.28  
LINK        NA    NA C2001                 O   HOH C2018     1555   1555  2.54  
LINK        NA    NA C2001                 O   HOH E  58     1555   1555  2.49  
LINK        NI    NI D1001                 NE2 HIS D  79     1555   1555  2.03  
LINK        NI    NI D1001                 OE2 GLU D  83     1555   1555  1.96  
LINK        NI    NI D1001                 O   HOH D2017     1555   1555  2.62  
LINK        NI    NI D1001                 ND1 HIS D  98     1555   1555  2.03  
LINK        NI    NI D1002                 OE2 GLU D 105     1555   1555  1.95  
LINK        NI    NI D1002                 O   CYS D 102     1555   1555  1.95  
LINK        NI    NI D1002                 SD  MET D  10     1555   1555  2.34  
LINK        NI    NI D1002                 NE2 HIS D 106     1555   1555  2.04  
LINK        NI    NI D1002                 O   HOH D2006     1555   1555  2.27  
LINK        NI    NI D1003                 O   HOH D2019     1555   1555  2.67  
LINK        NI    NI D1003                 O   HOH D2018     1555   1555  2.74  
LINK        NI    NI D1003                 ND1 HIS D  61     1555   1555  2.03  
LINK        NA    NA D2001                 O   HOH D2014     1555   1555  2.12  
LINK        NA    NA D2001                 O   HOH D2015     1555   1555  1.94  
LINK        NA    NA D2001                 O   HOH F  49     1555   1555  2.35  
LINK         OP1  DC F  19                NA    NA A2001     1555   1555  2.86  
SITE     1 AC1  4 HIS A  79  GLU A  83  HIS A  98  HOH A2030                    
SITE     1 AC2  5 MET A  10  CYS A 102  GLU A 105  HIS A 106                    
SITE     2 AC2  5 HOH A2013                                                     
SITE     1 AC3  1 HIS A  61                                                     
SITE     1 AC4  4 HIS B  79  GLU B  83  HIS B  98  HOH B1028                    
SITE     1 AC5  5 MET B  10  CYS B 102  GLU B 105  HIS B 106                    
SITE     2 AC5  5 HOH B1026                                                     
SITE     1 AC6  4 HIS B  61  HOH B1009  HOH B1019  HOH B1030                    
SITE     1 AC7  4 HIS C  79  GLU C  83  HIS C  98  HOH C2021                    
SITE     1 AC8  5 MET C  10  CYS C 102  GLU C 105  HIS C 106                    
SITE     2 AC8  5 HOH C2020                                                     
SITE     1 AC9  4 HIS C  61  HOH C2022  HOH C2023  HOH C2024                    
SITE     1 BC1  4 HIS D  79  GLU D  83  HIS D  98  HOH D2017                    
SITE     1 BC2  5 MET D  10  CYS D 102  GLU D 105  HIS D 106                    
SITE     2 BC2  5 HOH D2006                                                     
SITE     1 BC3  3 HIS D  61  HOH D2018  HOH D2019                               
SITE     1 BC4  5 HOH A2028  HOH A2029   DC F  19  HOH F  50                    
SITE     2 BC4  5 HOH F  51                                                     
SITE     1 BC5  4 HOH C2018   DC E  16  HOH E  55  HOH E  58                    
SITE     1 BC6  4 HOH D2014  HOH D2015   DC F  24  HOH F  49                    
CRYST1   53.832   69.739   76.461 106.57 104.85  99.66 P 1           4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.018576  0.003162  0.006406        0.00000                         
SCALE2      0.000000  0.014545  0.005336        0.00000                         
SCALE3      0.000000  0.000000  0.014412        0.00000