PDB Short entry for 2A7L
HEADER    LIGASE                                  05-JUL-05   2A7L              
TITLE     STRUCTURE OF THE HUMAN HYPOTHETICAL UBIQUITIN-CONJUGATING ENZYME,     
TITLE    2 LOC55284                                                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HYPOTHETICAL UBIQUITIN-CONJUGATING ENZYME LOC55284;        
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 EC: 6.3.2.19;                                                        
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: FLJ11011;                                                      
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET28-LIC                                 
KEYWDS    STRUCTURAL GENOMICS CONSORTIUM, (SGC), UBIQUITIN, UBIQUITIN-          
KEYWDS   2 CONJUGATING ENZYME, LIGASE                                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.R.WALKER,G.V.AVVAKUMOV,S.XUE,E.M.NEWMAN,F.MACKENZIE,J.WEIGELT,      
AUTHOR   2 M.SUNDSTROM,C.ARROWSMITH,A.EDWARDS,A.BOCHKAREV,S.DHE-PAGANON,        
AUTHOR   3 STRUCTURAL GENOMICS CONSORTIUM (SGC)                                 
REVDAT   5   23-AUG-23 2A7L    1       REMARK SEQADV LINK                       
REVDAT   4   28-NOV-12 2A7L    1       JRNL   VERSN                             
REVDAT   3   24-FEB-09 2A7L    1       VERSN                                    
REVDAT   2   24-JAN-06 2A7L    1       JRNL                                     
REVDAT   1   06-SEP-05 2A7L    0                                                
JRNL        AUTH   Y.SHENG,J.H.HONG,R.DOHERTY,T.SRIKUMAR,J.SHLOUSH,             
JRNL        AUTH 2 G.V.AVVAKUMOV,J.R.WALKER,S.XUE,D.NECULAI,J.W.WAN,S.K.KIM,    
JRNL        AUTH 3 C.H.ARROWSMITH,B.RAUGHT,S.DHE-PAGANON                        
JRNL        TITL   A HUMAN UBIQUITIN CONJUGATING ENZYME (E2)-HECT E3 LIGASE     
JRNL        TITL 2 STRUCTURE-FUNCTION SCREEN.                                   
JRNL        REF    MOL CELL PROTEOMICS           V.  11   329 2012              
JRNL        REFN                   ISSN 1535-9476                               
JRNL        PMID   22496338                                                     
JRNL        DOI    10.1074/MCP.O111.013706                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.82 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0005                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.82                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 24.44                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 95.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 26406                          
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) : 0.264                           
REMARK   3   R VALUE            (WORKING SET) : 0.262                           
REMARK   3   FREE R VALUE                     : 0.300                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1403                            
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) : 1.82                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.86                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1241                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 61.91                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.4540                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 69                           
REMARK   3   BIN FREE R VALUE                    : 0.5210                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1922                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 2                                       
REMARK   3   SOLVENT ATOMS            : 200                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 36.26                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -2.26000                                             
REMARK   3    B22 (A**2) : 4.09000                                              
REMARK   3    B33 (A**2) : -1.83000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.170         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.160         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.131         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.446         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.964                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.950                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1970 ; 0.012 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2676 ; 1.352 ; 1.975       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   244 ; 5.712 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    80 ;39.171 ;25.250       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   342 ;15.316 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     6 ;28.118 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   300 ; 0.096 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1472 ; 0.005 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   850 ; 0.220 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  1351 ; 0.309 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   150 ; 0.150 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     4 ; 0.131 ; 0.200       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):   106 ; 0.150 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    35 ; 0.204 ; 0.200       
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):  1234 ; 1.695 ; 3.000       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2012 ; 2.774 ; 4.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   762 ; 3.705 ; 5.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   664 ; 5.645 ; 7.000       
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 : BABINET MODEL WITH 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 2A7L COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-JUL-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000033587.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 05-APR-05                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU FR-E                        
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 27952                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.6                               
REMARK 200  DATA REDUNDANCY                : 6.200                              
REMARK 200  R MERGE                    (I) : 0.05500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 36.6800                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.86                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 50.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.70                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.47500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.940                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1Y6L                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 52.83                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.63                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 3 M NACL, 0.1 M BISTRIS, PH 5.5, VAPOR   
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 298K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X+1/2,Y+1/2,-Z                                         
REMARK 290       4555   X+1/2,-Y+1/2,-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   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000       19.29750            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       30.32750            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       19.29750            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       30.32750            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 BIOLOGICAL UNIT IS A MONOMER.                            
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: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
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     MET A   -18                                                      
REMARK 465     GLY A   -17                                                      
REMARK 465     SER A   -16                                                      
REMARK 465     SER A   -15                                                      
REMARK 465     HIS A   -14                                                      
REMARK 465     HIS A   -13                                                      
REMARK 465     HIS A   -12                                                      
REMARK 465     HIS A   -11                                                      
REMARK 465     HIS A   -10                                                      
REMARK 465     HIS A    -9                                                      
REMARK 465     SER A    -8                                                      
REMARK 465     SER A    -7                                                      
REMARK 465     GLY A    -6                                                      
REMARK 465     MET B   -18                                                      
REMARK 465     GLY B   -17                                                      
REMARK 465     SER B   -16                                                      
REMARK 465     SER B   -15                                                      
REMARK 465     HIS B   -14                                                      
REMARK 465     HIS B   -13                                                      
REMARK 465     HIS B   -12                                                      
REMARK 465     HIS B   -11                                                      
REMARK 465     HIS B   -10                                                      
REMARK 465     HIS B    -9                                                      
REMARK 465     SER B    -8                                                      
REMARK 465     SER B    -7                                                      
REMARK 465     GLY B    -6                                                      
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    ARG A   7   NE  -  CZ  -  NH1 ANGL. DEV. =   4.3 DEGREES          
REMARK 500    ARG A   7   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.3 DEGREES          
REMARK 500    LEU B   8   CB  -  CG  -  CD1 ANGL. DEV. = -11.3 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    THR A  96      -97.70   -127.20                                   
REMARK 500    ASP B  18       59.43   -144.48                                   
REMARK 500    THR B  96      -98.82   -122.42                                   
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                              NA A 201  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  67   OD1                                                    
REMARK 620 2 SER A  68   O    90.7                                              
REMARK 620 3 SER A  68   OG  103.4  71.3                                        
REMARK 620 4 HOH A 233   O   166.7  88.8  89.0                                  
REMARK 620 5 HOH A 291   O    94.7  88.5 152.8  72.0                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA B 202  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B  67   OD1                                                    
REMARK 620 2 SER B  68   O    94.0                                              
REMARK 620 3 SER B  68   OG  100.4  69.1                                        
REMARK 620 4 HOH B 271   O    92.6  97.6 161.8                                  
REMARK 620 5 HOH B 285   O   170.8  92.2  75.5  93.3                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 201                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA B 202                  
DBREF  2A7L A    1   117  UNP    Q96B02   Q96B02_HUMAN     1    117             
DBREF  2A7L B    1   117  UNP    Q96B02   Q96B02_HUMAN     1    117             
SEQADV 2A7L MET A  -18  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L GLY A  -17  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L SER A  -16  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L SER A  -15  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L HIS A  -14  UNP  Q96B02              EXPRESSION TAG                 
SEQADV 2A7L HIS A  -13  UNP  Q96B02              EXPRESSION TAG                 
SEQADV 2A7L HIS A  -12  UNP  Q96B02              EXPRESSION TAG                 
SEQADV 2A7L HIS A  -11  UNP  Q96B02              EXPRESSION TAG                 
SEQADV 2A7L HIS A  -10  UNP  Q96B02              EXPRESSION TAG                 
SEQADV 2A7L HIS A   -9  UNP  Q96B02              EXPRESSION TAG                 
SEQADV 2A7L SER A   -8  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L SER A   -7  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L GLY A   -6  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L LEU A   -5  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L VAL A   -4  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L PRO A   -3  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L ARG A   -2  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L GLY A   -1  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L SER A    0  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L MET B  -18  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L GLY B  -17  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L SER B  -16  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L SER B  -15  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L HIS B  -14  UNP  Q96B02              EXPRESSION TAG                 
SEQADV 2A7L HIS B  -13  UNP  Q96B02              EXPRESSION TAG                 
SEQADV 2A7L HIS B  -12  UNP  Q96B02              EXPRESSION TAG                 
SEQADV 2A7L HIS B  -11  UNP  Q96B02              EXPRESSION TAG                 
SEQADV 2A7L HIS B  -10  UNP  Q96B02              EXPRESSION TAG                 
SEQADV 2A7L HIS B   -9  UNP  Q96B02              EXPRESSION TAG                 
SEQADV 2A7L SER B   -8  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L SER B   -7  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L GLY B   -6  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L LEU B   -5  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L VAL B   -4  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L PRO B   -3  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L ARG B   -2  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L GLY B   -1  UNP  Q96B02              CLONING ARTIFACT               
SEQADV 2A7L SER B    0  UNP  Q96B02              CLONING ARTIFACT               
SEQRES   1 A  136  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 A  136  LEU VAL PRO ARG GLY SER MET ALA SER MET GLN LYS ARG          
SEQRES   3 A  136  LEU GLN LYS GLU LEU LEU ALA LEU GLN ASN ASP PRO PRO          
SEQRES   4 A  136  PRO GLY MET THR LEU ASN GLU LYS SER VAL GLN ASN SER          
SEQRES   5 A  136  ILE THR GLN TRP ILE VAL ASP MET GLU GLY ALA PRO GLY          
SEQRES   6 A  136  THR LEU TYR GLU GLY GLU LYS PHE GLN LEU LEU PHE LYS          
SEQRES   7 A  136  PHE SER SER ARG TYR PRO PHE ASP SER PRO GLN VAL MET          
SEQRES   8 A  136  PHE THR GLY GLU ASN ILE PRO VAL HIS PRO HIS VAL TYR          
SEQRES   9 A  136  SER ASN GLY HIS ILE CYS LEU SER ILE LEU THR GLU ASP          
SEQRES  10 A  136  TRP SER PRO ALA LEU SER VAL GLN SER VAL CYS LEU SER          
SEQRES  11 A  136  ILE ILE SER MET LEU SER                                      
SEQRES   1 B  136  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 B  136  LEU VAL PRO ARG GLY SER MET ALA SER MET GLN LYS ARG          
SEQRES   3 B  136  LEU GLN LYS GLU LEU LEU ALA LEU GLN ASN ASP PRO PRO          
SEQRES   4 B  136  PRO GLY MET THR LEU ASN GLU LYS SER VAL GLN ASN SER          
SEQRES   5 B  136  ILE THR GLN TRP ILE VAL ASP MET GLU GLY ALA PRO GLY          
SEQRES   6 B  136  THR LEU TYR GLU GLY GLU LYS PHE GLN LEU LEU PHE LYS          
SEQRES   7 B  136  PHE SER SER ARG TYR PRO PHE ASP SER PRO GLN VAL MET          
SEQRES   8 B  136  PHE THR GLY GLU ASN ILE PRO VAL HIS PRO HIS VAL TYR          
SEQRES   9 B  136  SER ASN GLY HIS ILE CYS LEU SER ILE LEU THR GLU ASP          
SEQRES  10 B  136  TRP SER PRO ALA LEU SER VAL GLN SER VAL CYS LEU SER          
SEQRES  11 B  136  ILE ILE SER MET LEU SER                                      
HET     NA  A 201       1                                                       
HET     NA  B 202       1                                                       
HETNAM      NA SODIUM ION                                                       
FORMUL   3   NA    2(NA 1+)                                                     
FORMUL   5  HOH   *200(H2 O)                                                    
HELIX    1   1 PRO A   -3  ALA A    2  5                                   6    
HELIX    2   2 GLN A    5  ASP A   18  1                                  14    
HELIX    3   3 LEU A   92  THR A   96  5                                   5    
HELIX    4   4 SER A  104  LEU A  116  1                                  13    
HELIX    5   5 PRO B   -3  ALA B    2  5                                   6    
HELIX    6   6 GLN B    5  ASP B   18  1                                  14    
HELIX    7   7 LEU B   92  THR B   96  5                                   5    
HELIX    8   8 SER B  104  LEU B  116  1                                  13    
SHEET    1   A 3 THR A  35  GLU A  42  0                                        
SHEET    2   A 3 LYS A  53  PHE A  60 -1  O  PHE A  54   N  MET A  41           
SHEET    3   A 3 GLN A  70  THR A  74 -1  O  MET A  72   N  LEU A  57           
SHEET    1   B 3 THR B  35  GLU B  42  0                                        
SHEET    2   B 3 LYS B  53  PHE B  60 -1  O  PHE B  54   N  MET B  41           
SHEET    3   B 3 GLN B  70  THR B  74 -1  O  MET B  72   N  LEU B  57           
LINK         OD1 ASP A  67                NA    NA A 201     1555   1555  2.44  
LINK         O   SER A  68                NA    NA A 201     1555   1555  2.55  
LINK         OG  SER A  68                NA    NA A 201     1555   1555  2.67  
LINK        NA    NA A 201                 O   HOH A 233     1555   1555  2.34  
LINK        NA    NA A 201                 O   HOH A 291     1555   1555  2.22  
LINK         OD1 ASP B  67                NA    NA B 202     1555   1555  2.32  
LINK         O   SER B  68                NA    NA B 202     1555   1555  2.55  
LINK         OG  SER B  68                NA    NA B 202     1555   1555  2.75  
LINK        NA    NA B 202                 O   HOH B 271     1555   1555  2.28  
LINK        NA    NA B 202                 O   HOH B 285     1555   1555  2.76  
CISPEP   1 TYR A   64    PRO A   65          0         3.49                     
CISPEP   2 TYR B   64    PRO B   65          0         4.35                     
SITE     1 AC1  4 ASP A  67  SER A  68  HOH A 233  HOH A 291                    
SITE     1 AC2  4 ASP B  67  SER B  68  HOH B 271  HOH B 285                    
CRYST1   38.595   60.655  133.520  90.00  90.00  90.00 P 21 21 2     8          
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      0.025910  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.016487  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007490        0.00000