PDB Short entry for 2GZG
HEADER    ANTIBIOTIC/ANTIBIOTIC INHIBITOR         11-MAY-06   2GZG              
TITLE     CRYSTAL STRUCTURE OF THE E9 DNASE DOMAIN WITH A MUTANT IMMUNITY       
TITLE    2 PROTEIN IM9 (Y55F)                                                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: COLICIN-E9 IMMUNITY PROTEIN;                               
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: IMME9, MICROCIN-E9 IMMUNITY PROTEIN;                        
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES;                                                       
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: COLICIN-E9;                                                
COMPND   9 CHAIN: B;                                                            
COMPND  10 FRAGMENT: COLICIN E9,C-TERMINAL DOMAIN,DNASE DOMAIN;                 
COMPND  11 EC: 3.1.21.1;                                                        
COMPND  12 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI K12;                           
SOURCE   3 ORGANISM_TAXID: 83333;                                               
SOURCE   4 STRAIN: K-12;                                                        
SOURCE   5 GENE: IMM9_ECOLI;                                                    
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: PET21D;                                   
SOURCE  11 MOL_ID: 2;                                                           
SOURCE  12 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI K12;                           
SOURCE  13 ORGANISM_TAXID: 83333;                                               
SOURCE  14 STRAIN: K-12;                                                        
SOURCE  15 GENE: COL, CEI;                                                      
SOURCE  16 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  17 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  18 EXPRESSION_SYSTEM_STRAIN: JM105;                                     
SOURCE  19 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  20 EXPRESSION_SYSTEM_PLASMID: PTRC99A                                   
KEYWDS    PROTEIN-PROTEIN COMPLEX, 4-HELIX BUNDLE, DNASE DOMAIN, HNH-MOTIF,     
KEYWDS   2 ANTIBIOTIC-ANTIBIOTIC INHIBITOR COMPLEX                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    P.S.SANTI,O.O.KOLADE,U.C.KUHLMANN,C.KLEANTHOUS,A.M.HEMMINGS           
REVDAT   5   20-OCT-21 2GZG    1       REMARK SEQADV LINK                       
REVDAT   4   18-OCT-17 2GZG    1       REMARK                                   
REVDAT   3   06-OCT-10 2GZG    1       REMARK                                   
REVDAT   2   24-FEB-09 2GZG    1       VERSN                                    
REVDAT   1   18-MAR-08 2GZG    0                                                
JRNL        AUTH   U.C.KUHLMANN,P.S.SANTI,O.O.KOLADE,C.KLEANTHOUS,A.M.HEMMINGS  
JRNL        TITL   CRYSTAL STRUCTURE OF THE COMPLEX OF THE COLICIN E9 DNASE     
JRNL        TITL 2 DOMAIN WITH A MUTANT IMMUNITY PROTEIN, IM9 (Y55F)            
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   C.KLEANTHOUS,U.C.KUHLMANN,A.J.POMMER,N.FERGUSON,S.E RADFORD, 
REMARK   1  AUTH 2 G.R.MOORE,R.JAMES,A.M.HEMMINGS                               
REMARK   1  TITL   STRUCTURAL AND MECHANISTIC BASIS OF IMMUNITY TOWARDS         
REMARK   1  TITL 2 ENDONUCLEASE COLICINS                                        
REMARK   1  REF    NAT.STRUCT.BIOL.              V.   6   243 1999              
REMARK   1  REFN                   ISSN 1072-8368                               
REMARK   1  PMID   10074943                                                     
REMARK   1  DOI    10.1038/6683                                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0003                                      
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) : 1.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 9.94                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 92.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 21260                          
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) : 0.166                           
REMARK   3   R VALUE            (WORKING SET) : 0.164                           
REMARK   3   FREE R VALUE                     : 0.204                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.200                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1101                            
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) : 1.70                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.74                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1451                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 95.55                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1700                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 96                           
REMARK   3   BIN FREE R VALUE                    : 0.2580                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1696                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 6                                       
REMARK   3   SOLVENT ATOMS            : 404                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 12.38                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.00000                                              
REMARK   3    B22 (A**2) : 0.00000                                              
REMARK   3    B33 (A**2) : 0.00000                                              
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): 0.124         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.118         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.064         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.459         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.949                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.934                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1746 ; 0.011 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2352 ; 1.209 ; 1.944       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   215 ; 5.520 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    84 ;32.890 ;24.881       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   319 ;12.831 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    10 ;16.923 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   244 ; 0.089 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1330 ; 0.005 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   846 ; 0.195 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  1175 ; 0.298 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   295 ; 0.156 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     1 ; 0.158 ; 0.200       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    53 ; 0.168 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    58 ; 0.164 ; 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):  1109 ; 0.720 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1733 ; 1.136 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   722 ; 2.123 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   618 ; 3.361 ; 4.500       
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 2GZG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-MAY-06.                  
REMARK 100 THE DEPOSITION ID IS D_1000037738.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 06-JUN-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.3                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SRS                                
REMARK 200  BEAMLINE                       : PX9.6                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.87                               
REMARK 200  MONOCHROMATOR                  : SILICON(111)                       
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 21360                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 92.3                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.02400                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 52.2000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.76                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 95.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.04600                            
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: PDB ENTRY 1EMV                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 40.32                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.06                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 24% (W/V) PEG 4K, 100MM SODIUM ACETATE   
REMARK 280  BUFFER PH 5.3, TEMPERATURE 277K, VAPOR DIFFUSION, SITTING DROP      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
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       22.34900            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       43.44900            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       26.22200            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       43.44900            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       22.34900            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       26.22200            
REMARK 290   SMTRY3   4  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 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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1910 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 11360 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -51.6 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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     1                                                      
REMARK 465     GLU A     2                                                      
REMARK 465     GLY A    86                                                      
REMARK 465     MET B     1                                                      
REMARK 465     LYS B   134                                                      
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    ASP A  51   CB  -  CG  -  OD2 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    ASP A  62   CB  -  CG  -  OD2 ANGL. DEV. =   7.5 DEGREES          
REMARK 500    ASP B  25   CB  -  CG  -  OD2 ANGL. DEV. =   5.8 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    ASP B  29     -131.10     53.10                                   
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                              ZN B 301  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B 102   ND1                                                    
REMARK 620 2 HIS B 127   NE2  99.1                                              
REMARK 620 3 PO4 B 503   O3  107.2 110.0                                        
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 ZN B 301                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 503                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1EMV   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF COLICIN E9 DNASE DOMAIN WITH ITS COGNATE        
REMARK 900 IMMUNITY PROTEIN IM9 (1.7 ANGSTROMS)                                 
REMARK 900 RELATED ID: 1BXI   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE ESCHERICHIA COLI COLICIN E9 DNASE DOMAIN    
REMARK 900 WITH ITS COGNATE IMMUNITY PROTEIN IM9                                
REMARK 900 RELATED ID: 2GYK   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURES OF THE COMPLEXES OF THE COLICIN E9 DNASE DOMAIN   
REMARK 900 WITH MUTANT IMMUNITY PROTEINS                                        
REMARK 900 RELATED ID: 2GZE   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE COMPLEX OF THE COLICIN E9 DNASE DOMAIN      
REMARK 900 WITH A MUTANT IMMUNITY PROTEIN, IM9 (Y55A)                           
REMARK 900 RELATED ID: 2GZF   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE COMPLEX OF THE COLICIN E9 DNASE DOMAIN      
REMARK 900 WITH A MUTANT IMMUNITY PROTEIN, IM9 (Y54F)                           
REMARK 900 RELATED ID: 2GZI   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE COMPLEX OF THE COLICIN E9 DNASE DOMAIN      
REMARK 900 WITH A MUTANT IMMUNITY PROTEIN, IM9 (V34A)                           
REMARK 900 RELATED ID: 2GZJ   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE COMPLEX OF THE COLICIN E9 DNASE DOMAIN      
REMARK 900 WITH A MUTANT IMMUNITY PROTEIN, IM9 (D51A)                           
DBREF  2GZG A    1    86  UNP    P13479   IMM9_ECOLI       1     86             
DBREF  2GZG B    2   134  UNP    P09883   CEA9_ECOLI     450    582             
SEQADV 2GZG PHE A   55  UNP  P13479    TYR    55 ENGINEERED MUTATION            
SEQADV 2GZG MET B    1  UNP  P09883              INITIATING METHIONINE          
SEQRES   1 A   86  MET GLU LEU LYS HIS SER ILE SER ASP TYR THR GLU ALA          
SEQRES   2 A   86  GLU PHE LEU GLN LEU VAL THR THR ILE CYS ASN ALA ASP          
SEQRES   3 A   86  THR SER SER GLU GLU GLU LEU VAL LYS LEU VAL THR HIS          
SEQRES   4 A   86  PHE GLU GLU MET THR GLU HIS PRO SER GLY SER ASP LEU          
SEQRES   5 A   86  ILE TYR PHE PRO LYS GLU GLY ASP ASP ASP SER PRO SER          
SEQRES   6 A   86  GLY ILE VAL ASN THR VAL LYS GLN TRP ARG ALA ALA ASN          
SEQRES   7 A   86  GLY LYS SER GLY PHE LYS GLN GLY                              
SEQRES   1 B  134  MET GLU SER LYS ARG ASN LYS PRO GLY LYS ALA THR GLY          
SEQRES   2 B  134  LYS GLY LYS PRO VAL GLY ASP LYS TRP LEU ASP ASP ALA          
SEQRES   3 B  134  GLY LYS ASP SER GLY ALA PRO ILE PRO ASP ARG ILE ALA          
SEQRES   4 B  134  ASP LYS LEU ARG ASP LYS GLU PHE LYS SER PHE ASP ASP          
SEQRES   5 B  134  PHE ARG LYS ALA VAL TRP GLU GLU VAL SER LYS ASP PRO          
SEQRES   6 B  134  GLU LEU SER LYS ASN LEU ASN PRO SER ASN LYS SER SER          
SEQRES   7 B  134  VAL SER LYS GLY TYR SER PRO PHE THR PRO LYS ASN GLN          
SEQRES   8 B  134  GLN VAL GLY GLY ARG LYS VAL TYR GLU LEU HIS HIS ASP          
SEQRES   9 B  134  LYS PRO ILE SER GLN GLY GLY GLU VAL TYR ASP MET ASP          
SEQRES  10 B  134  ASN ILE ARG VAL THR THR PRO LYS ARG HIS ILE ASP ILE          
SEQRES  11 B  134  HIS ARG GLY LYS                                              
HET     ZN  B 301       1                                                       
HET    PO4  B 503       5                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM     PO4 PHOSPHATE ION                                                    
FORMUL   3   ZN    ZN 2+                                                        
FORMUL   4  PO4    O4 P 3-                                                      
FORMUL   5  HOH   *404(H2 O)                                                    
HELIX    1   1 SER A    6  TYR A   10  5                                   5    
HELIX    2   2 THR A   11  ASN A   24  1                                  14    
HELIX    3   3 SER A   29  GLU A   45  1                                  17    
HELIX    4   4 SER A   50  PHE A   55  1                                   6    
HELIX    5   5 SER A   63  ASN A   78  1                                  16    
HELIX    6   6 SER B    3  LYS B    7  5                                   5    
HELIX    7   7 LEU B   23  LYS B   28  5                                   6    
HELIX    8   8 PRO B   35  ARG B   43  1                                   9    
HELIX    9   9 SER B   49  ASP B   64  1                                  16    
HELIX   10  10 ASP B   64  LYS B   69  1                                   6    
HELIX   11  11 ASN B   72  LYS B   81  1                                  10    
HELIX   12  12 PRO B   88  GLN B   92  5                                   5    
HELIX   13  13 PRO B  106  GLY B  110  5                                   5    
HELIX   14  14 ASP B  115  ASP B  117  5                                   3    
HELIX   15  15 THR B  123  GLY B  133  1                                  11    
SHEET    1   A 2 GLY B   9  LYS B  10  0                                        
SHEET    2   A 2 GLU B  46  PHE B  47 -1  O  PHE B  47   N  GLY B   9           
SHEET    1   B 3 ALA B  32  PRO B  33  0                                        
SHEET    2   B 3 ILE B 119  THR B 122 -1  O  VAL B 121   N  ALA B  32           
SHEET    3   B 3 GLU B 100  HIS B 103 -1  N  GLU B 100   O  THR B 122           
LINK         ND1 HIS B 102                ZN    ZN B 301     1555   1555  2.10  
LINK         NE2 HIS B 127                ZN    ZN B 301     1555   1555  2.11  
LINK        ZN    ZN B 301                 O3  PO4 B 503     1555   1555  1.86  
SITE     1 AC1  3 HIS B 102  HIS B 127  HIS B 131                               
SITE     1 AC2  8 SER A  28  ARG B   5  LEU B 101  HIS B 102                    
SITE     2 AC2  8 HIS B 103  HIS B 127  HIS B 131  HOH B 518                    
CRYST1   44.698   52.444   86.898  90.00  90.00  90.00 P 21 21 21    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      0.022370  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.019070  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011510        0.00000