PDB Short entry for 1K3X
HEADER    HYDROLASE/DNA                           04-OCT-01   1K3X              
TITLE     CRYSTAL STRUCTURE OF A TRAPPED REACTION INTERMEDIATE OF THE DNA REPAIR
TITLE    2 ENZYME ENDONUCLEASE VIII WITH BROMINATED-DNA                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-D(*GP*GP*CP*(BRU)P*(BRU)P*CP*AP*(BRU)P*CP*CP*(BRU)      
COMPND   3 P*GP*G)-3';                                                          
COMPND   4 CHAIN: B;                                                            
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: 5'-D(*CP*CP*AP*GP*GP*AP*(PED)P*GP*AP*AP*GP*CP*C)-3';       
COMPND   8 CHAIN: C;                                                            
COMPND   9 ENGINEERED: YES;                                                     
COMPND  10 MOL_ID: 3;                                                           
COMPND  11 MOLECULE: ENDONUCLEASE VIII;                                         
COMPND  12 CHAIN: A;                                                            
COMPND  13 EC: 3.2.2.-;                                                         
COMPND  14 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: ESCHERICHIA COLI;                               
SOURCE   7 ORGANISM_TAXID: 562;                                                 
SOURCE   8 GENE: NEI;                                                           
SOURCE   9 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  10 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  11 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID                               
KEYWDS    HYDROLASE/DNA, HYDROLASE-DNA COMPLEX                                  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    G.GOLAN,D.O.ZHARKOV,R.GILBOA,A.S.FERNANDES,J.H.KYCIA,S.E.GERCHMAN,    
AUTHOR   2 R.A.RIEGER,A.P.GROLLMAN,G.SHOHAM                                     
REVDAT   3   13-JUL-11 1K3X    1       VERSN                                    
REVDAT   2   24-FEB-09 1K3X    1       VERSN                                    
REVDAT   1   04-OCT-02 1K3X    0                                                
JRNL        AUTH   D.O.ZHARKOV,G.GOLAN,R.GILBOA,A.S.FERNANDES,S.E.GERCHMAN,     
JRNL        AUTH 2 J.H.KYCIA,R.A.RIEGER,A.P.GROLLMAN,G.SHOHAM                   
JRNL        TITL   STRUCTURAL ANALYSIS OF AN ESCHERICHIA COLI ENDONUCLEASE VIII 
JRNL        TITL 2 COVALENT REACTION INTERMEDIATE.                              
JRNL        REF    EMBO J.                       V.  21   789 2002              
JRNL        REFN                   ISSN 0261-4189                               
JRNL        PMID   11847126                                                     
JRNL        DOI    10.1093/EMBOJ/21.4.789                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.25 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : SHELXL-97                                            
REMARK   3   AUTHORS     : G.M.SHELDRICK                                        
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.25                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.4                           
REMARK   3   CROSS-VALIDATION METHOD           : FREE R                         
REMARK   3   FREE R VALUE TEST SET SELECTION   : RANDOM                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (NO CUTOFF).                         
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.149                  
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.181                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.300                  
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 6452                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 120771                 
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : NULL                   
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : 0.144                  
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : 0.175                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.300                  
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : 5614                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : 105531                 
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS      : 2023                                          
REMARK   3   NUCLEIC ACID ATOMS : 401                                           
REMARK   3   HETEROGEN ATOMS    : 50                                            
REMARK   3   SOLVENT ATOMS      : 488                                           
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : 2941.52                 
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : 0.00                    
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : 8                       
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : 26922                   
REMARK   3   NUMBER OF RESTRAINTS                     : 32739                   
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : 0.016                   
REMARK   3   ANGLE DISTANCES                      (A) : 0.040                   
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000                   
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : 0.027                   
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : 0.100                   
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : 0.097                   
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : 0.027                   
REMARK   3   RIGID-BOND ADP COMPONENTS         (A**2) : 0.005                   
REMARK   3   SIMILAR ADP COMPONENTS            (A**2) : 0.059                   
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : 0.104                   
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: NULL                                                  
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER                        
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1K3X COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-OCT-01.                  
REMARK 100 THE RCSB ID CODE IS RCSB014529.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 29-MAY-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X25                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.92                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : BRANDEIS - B4                      
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 131559                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.250                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 40.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.4                               
REMARK 200  DATA REDUNDANCY                : 7.500                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.06000                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.7000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.25                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.27                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 91.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 7.50                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.34000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: AB INITIO PHASING            
REMARK 200 SOFTWARE USED: SHELX                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1K3W                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 61.11                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.99                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.8M AMMONIUM-SULFATE, 0.1M SODIUM-      
REMARK 280  CITRATE PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 288K     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y,X,Z+3/4                                              
REMARK 290       4555   Y,-X,Z+1/4                                              
REMARK 290       5555   -X,Y,-Z                                                 
REMARK 290       6555   X,-Y,-Z+1/2                                             
REMARK 290       7555   Y,X,-Z+1/4                                              
REMARK 290       8555   -Y,-X,-Z+3/4                                            
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       82.15500            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000      123.23250            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       41.07750            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       82.15500            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       41.07750            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000      123.23250            
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: TRIMERIC                          
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, C, 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 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A1085  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 960  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A1067  LIES ON A SPECIAL POSITION.                          
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      DG B   401                                                      
REMARK 465      DG B   402                                                      
REMARK 465      DG B   413                                                      
REMARK 465      DC C   421                                                      
REMARK 465      DC C   432                                                      
REMARK 465      DC C   433                                                      
REMARK 465     GLN A   214                                                      
REMARK 465     VAL A   215                                                      
REMARK 465     ASP A   216                                                      
REMARK 465     GLU A   217                                                      
REMARK 465     ASN A   218                                                      
REMARK 465     LYS A   219                                                      
REMARK 465     HIS A   220                                                      
REMARK 465     HIS A   221                                                      
REMARK 465     GLY A   222                                                      
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     PED C 427    O3P                                                 
REMARK 470     GLU A  82    CG   CD   OE1  OE2                                  
REMARK 470     GLN A  84    CG   CD   OE1  NE2                                  
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 B 412   C4     DG B 412   C5      0.047                       
REMARK 500     DG C 431   C4     DG C 431   C5      0.044                       
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 B 403   OP1 -  P   -  OP2 ANGL. DEV. =  -9.9 DEGREES          
REMARK 500     DC B 403   O4' -  C1' -  C2' ANGL. DEV. =  -6.0 DEGREES          
REMARK 500     DC B 403   C6  -  N1  -  C2  ANGL. DEV. =  -3.0 DEGREES          
REMARK 500     DC B 403   C2  -  N3  -  C4  ANGL. DEV. =   9.9 DEGREES          
REMARK 500     DC B 403   N3  -  C4  -  C5  ANGL. DEV. =  -7.5 DEGREES          
REMARK 500     DC B 403   C5  -  C6  -  N1  ANGL. DEV. =   5.5 DEGREES          
REMARK 500     DC B 403   N3  -  C2  -  O2  ANGL. DEV. =   4.8 DEGREES          
REMARK 500     DC B 403   N3  -  C4  -  N4  ANGL. DEV. =   6.4 DEGREES          
REMARK 500     DC B 406   C2  -  N3  -  C4  ANGL. DEV. =   3.6 DEGREES          
REMARK 500     DC B 406   N3  -  C4  -  C5  ANGL. DEV. =  -4.6 DEGREES          
REMARK 500     DA B 407   C2  -  N3  -  C4  ANGL. DEV. =   3.2 DEGREES          
REMARK 500     DA B 407   N3  -  C4  -  C5  ANGL. DEV. =  -4.8 DEGREES          
REMARK 500     DA B 407   N9  -  C4  -  C5  ANGL. DEV. =   2.6 DEGREES          
REMARK 500     DA B 407   N1  -  C6  -  N6  ANGL. DEV. =  -8.6 DEGREES          
REMARK 500     DA B 407   C5  -  C6  -  N6  ANGL. DEV. =   8.5 DEGREES          
REMARK 500     DA B 407   O3' -  P   -  OP1 ANGL. DEV. =   7.5 DEGREES          
REMARK 500     DC B 409   O4' -  C1' -  N1  ANGL. DEV. =  -7.7 DEGREES          
REMARK 500     DC B 409   C2  -  N3  -  C4  ANGL. DEV. =   7.6 DEGREES          
REMARK 500     DC B 409   N3  -  C4  -  C5  ANGL. DEV. =  -6.7 DEGREES          
REMARK 500     DC B 409   N1  -  C2  -  O2  ANGL. DEV. =  -4.7 DEGREES          
REMARK 500     DC B 409   N3  -  C2  -  O2  ANGL. DEV. =   7.9 DEGREES          
REMARK 500     DC B 410   C2  -  N3  -  C4  ANGL. DEV. =   6.2 DEGREES          
REMARK 500     DC B 410   N3  -  C4  -  C5  ANGL. DEV. =  -5.1 DEGREES          
REMARK 500     DC B 410   N3  -  C4  -  N4  ANGL. DEV. =   4.5 DEGREES          
REMARK 500     DC B 410   O3' -  P   -  OP2 ANGL. DEV. =   8.2 DEGREES          
REMARK 500     DG B 412   C6  -  N1  -  C2  ANGL. DEV. =  -9.1 DEGREES          
REMARK 500     DG B 412   N1  -  C2  -  N3  ANGL. DEV. =   4.2 DEGREES          
REMARK 500     DG B 412   C2  -  N3  -  C4  ANGL. DEV. =   8.7 DEGREES          
REMARK 500     DG B 412   N3  -  C4  -  C5  ANGL. DEV. = -11.3 DEGREES          
REMARK 500     DG B 412   C5  -  C6  -  N1  ANGL. DEV. =   6.5 DEGREES          
REMARK 500     DG B 412   C5  -  N7  -  C8  ANGL. DEV. =  -5.9 DEGREES          
REMARK 500     DG B 412   N7  -  C8  -  N9  ANGL. DEV. =  10.1 DEGREES          
REMARK 500     DG B 412   C8  -  N9  -  C4  ANGL. DEV. =  -7.7 DEGREES          
REMARK 500     DG B 412   N9  -  C4  -  C5  ANGL. DEV. =   3.1 DEGREES          
REMARK 500     DG B 412   N3  -  C4  -  N9  ANGL. DEV. =   8.1 DEGREES          
REMARK 500     DG B 412   C5  -  C6  -  O6  ANGL. DEV. =  -4.1 DEGREES          
REMARK 500     DC C 422   O4' -  C4' -  C3' ANGL. DEV. =  -3.8 DEGREES          
REMARK 500     DC C 422   O4' -  C1' -  N1  ANGL. DEV. =   4.9 DEGREES          
REMARK 500     DC C 422   C6  -  N1  -  C2  ANGL. DEV. =  -3.0 DEGREES          
REMARK 500     DC C 422   C2  -  N3  -  C4  ANGL. DEV. =   9.5 DEGREES          
REMARK 500     DC C 422   N3  -  C4  -  C5  ANGL. DEV. =  -7.4 DEGREES          
REMARK 500     DC C 422   C5  -  C6  -  N1  ANGL. DEV. =   5.3 DEGREES          
REMARK 500     DC C 422   N1  -  C2  -  O2  ANGL. DEV. =  -3.9 DEGREES          
REMARK 500     DC C 422   N3  -  C2  -  O2  ANGL. DEV. =   7.5 DEGREES          
REMARK 500     DC C 422   C5  -  C4  -  N4  ANGL. DEV. =   4.4 DEGREES          
REMARK 500     DC C 422   C6  -  N1  -  C1' ANGL. DEV. =   9.4 DEGREES          
REMARK 500     DA C 423   O4' -  C4' -  C3' ANGL. DEV. =  -3.0 DEGREES          
REMARK 500     DG C 424   C6  -  N1  -  C2  ANGL. DEV. =  -5.9 DEGREES          
REMARK 500     DG C 424   N1  -  C2  -  N3  ANGL. DEV. =   5.0 DEGREES          
REMARK 500     DG C 424   C2  -  N3  -  C4  ANGL. DEV. =   3.3 DEGREES          
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     124 ANGLE DEVIATIONS.                             
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    GLN A  69     -132.26     52.39                                   
REMARK 500    GLU A  82       92.73   -161.50                                   
REMARK 500    SER A 104      -30.99     77.67                                   
REMARK 500    PHE A 162      -76.28    -80.73                                   
REMARK 500    ASN A 183       54.31    -98.64                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A 844        DISTANCE =  5.37 ANGSTROMS                       
REMARK 525    HOH A 872        DISTANCE =  5.41 ANGSTROMS                       
REMARK 525    HOH A 970        DISTANCE =  6.30 ANGSTROMS                       
REMARK 525    HOH A 979        DISTANCE =  5.99 ANGSTROMS                       
REMARK 525    HOH A1018        DISTANCE =  5.07 ANGSTROMS                       
REMARK 525    HOH A1078        DISTANCE =  6.35 ANGSTROMS                       
REMARK 525    HOH A1085        DISTANCE =  5.81 ANGSTROMS                       
REMARK 525    HOH C1066        DISTANCE =  6.73 ANGSTROMS                       
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 A 501  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 237   SG                                                     
REMARK 620 2 CYS A 240   SG  116.3                                              
REMARK 620 3 CYS A 257   SG  106.4  96.4                                        
REMARK 620 4 CYS A 260   SG  104.8 120.5 111.7                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 501                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 551                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 552                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 553                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 554                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 555                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 511                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 512                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 513                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 514                 
DBREF  1K3X A    1   262  UNP    P50465   END8_ECOLI       1    262             
DBREF  1K3X B  401   413  PDB    1K3X     1K3X           401    413             
DBREF  1K3X C  421   433  PDB    1K3X     1K3X           421    433             
SEQADV 1K3X THR A   34  UNP  P50465    PRO    34 SEE REMARK 999                 
SEQADV 1K3X ARG A  112  UNP  P50465    THR   112 SEE REMARK 999                 
SEQRES   1 B   13   DG  DG  DC BRU BRU  DC  DA BRU  DC  DC BRU  DG  DG          
SEQRES   1 C   13   DC  DC  DA  DG  DG  DA PED  DG  DA  DA  DG  DC  DC          
SEQRES   1 A  262  PRO GLU GLY PRO GLU ILE ARG ARG ALA ALA ASP ASN LEU          
SEQRES   2 A  262  GLU ALA ALA ILE LYS GLY LYS PRO LEU THR ASP VAL TRP          
SEQRES   3 A  262  PHE ALA PHE PRO GLN LEU LYS THR TYR GLN SER GLN LEU          
SEQRES   4 A  262  ILE GLY GLN HIS VAL THR HIS VAL GLU THR ARG GLY LYS          
SEQRES   5 A  262  ALA LEU LEU THR HIS PHE SER ASN ASP LEU THR LEU TYR          
SEQRES   6 A  262  SER HIS ASN GLN LEU TYR GLY VAL TRP ARG VAL VAL ASP          
SEQRES   7 A  262  THR GLY GLU GLU PRO GLN THR THR ARG VAL LEU ARG VAL          
SEQRES   8 A  262  LYS LEU GLN THR ALA ASP LYS THR ILE LEU LEU TYR SER          
SEQRES   9 A  262  ALA SER ASP ILE GLU MET LEU ARG PRO GLU GLN LEU THR          
SEQRES  10 A  262  THR HIS PRO PHE LEU GLN ARG VAL GLY PRO ASP VAL LEU          
SEQRES  11 A  262  ASP PRO ASN LEU THR PRO GLU VAL VAL LYS GLU ARG LEU          
SEQRES  12 A  262  LEU SER PRO ARG PHE ARG ASN ARG GLN PHE ALA GLY LEU          
SEQRES  13 A  262  LEU LEU ASP GLN ALA PHE LEU ALA GLY LEU GLY ASN TYR          
SEQRES  14 A  262  LEU ARG VAL GLU ILE LEU TRP GLN VAL GLY LEU THR GLY          
SEQRES  15 A  262  ASN HIS LYS ALA LYS ASP LEU ASN ALA ALA GLN LEU ASP          
SEQRES  16 A  262  ALA LEU ALA HIS ALA LEU LEU GLU ILE PRO ARG PHE SER          
SEQRES  17 A  262  TYR ALA THR ARG GLY GLN VAL ASP GLU ASN LYS HIS HIS          
SEQRES  18 A  262  GLY ALA LEU PHE ARG PHE LYS VAL PHE HIS ARG ASP GLY          
SEQRES  19 A  262  GLU PRO CYS GLU ARG CYS GLY SER ILE ILE GLU LYS THR          
SEQRES  20 A  262  THR LEU SER SER ARG PRO PHE TYR TRP CYS PRO GLY CYS          
SEQRES  21 A  262  GLN HIS                                                      
MODRES 1K3X BRU B  404   DU                                                     
MODRES 1K3X BRU B  405   DU                                                     
MODRES 1K3X BRU B  408   DU                                                     
MODRES 1K3X BRU B  411   DU                                                     
HET    BRU  B 404      20                                                       
HET    BRU  B 405      20                                                       
HET    BRU  B 408      20                                                       
HET    BRU  B 411      20                                                       
HET    PED  C 427      11                                                       
HET     ZN  A 501       1                                                       
HET    SO4  A 551       5                                                       
HET    SO4  A 552       5                                                       
HET    SO4  A 553       5                                                       
HET    SO4  A 554       5                                                       
HET    SO4  A 555       5                                                       
HET    GOL  A 511       6                                                       
HET    GOL  A 512       6                                                       
HET    GOL  A 513       6                                                       
HET    GOL  A 514       6                                                       
HETNAM     BRU 5-BROMO-2'-DEOXYURIDINE-5'-MONOPHOSPHATE                         
HETNAM     PED PENTANE-3,4-DIOL-5-PHOSPHATE                                     
HETNAM      ZN ZINC ION                                                         
HETNAM     SO4 SULFATE ION                                                      
HETNAM     GOL GLYCEROL                                                         
HETSYN     PED OPEN FORM OF 1'-2'-DIDEOXYRIBOFURANOSE-5'-PHOSPHATE              
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   1  BRU    4(C9 H12 BR N2 O8 P)                                         
FORMUL   2  PED    C5 H13 O6 P                                                  
FORMUL   4   ZN    ZN 2+                                                        
FORMUL   5  SO4    5(O4 S 2-)                                                   
FORMUL  10  GOL    4(C3 H8 O3)                                                  
FORMUL  14  HOH   *488(H2 O)                                                    
HELIX    1   1 GLU A    2  LYS A   18  1                                  17    
HELIX    2   2 PHE A   29  LYS A   33  5                                   5    
HELIX    3   3 THR A   34  ILE A   40  1                                   7    
HELIX    4   4 GLU A  114  HIS A  119  1                                   6    
HELIX    5   5 HIS A  119  VAL A  125  1                                   7    
HELIX    6   6 THR A  135  SER A  145  1                                  11    
HELIX    7   7 GLN A  152  LEU A  157  1                                   6    
HELIX    8   8 GLY A  167  GLY A  179  1                                  13    
HELIX    9   9 LYS A  185  LEU A  189  5                                   5    
HELIX   10  10 ASN A  190  ARG A  212  1                                  23    
SHEET    1   A 4 ASP A  24  PHE A  27  0                                        
SHEET    2   A 4 LEU A  89  GLN A  94 -1  O  GLN A  94   N  ASP A  24           
SHEET    3   A 4 LYS A  98  TYR A 103 -1  O  ILE A 100   N  LEU A  93           
SHEET    4   A 4 VAL A  73  ASP A  78 -1  N  VAL A  73   O  TYR A 103           
SHEET    1   B 4 VAL A  44  ARG A  50  0                                        
SHEET    2   B 4 ALA A  53  PHE A  58 -1  O  LEU A  55   N  GLU A  48           
SHEET    3   B 4 THR A  63  HIS A  67 -1  O  SER A  66   N  LEU A  54           
SHEET    4   B 4 ASP A 107  LEU A 111 -1  O  LEU A 111   N  THR A  63           
SHEET    1   C 2 GLU A 245  LEU A 249  0                                        
SHEET    2   C 2 ARG A 252  TRP A 256 -1  O  TRP A 256   N  GLU A 245           
LINK         O3'  DA C 426                 P   PED C 427     1555   1555  1.61  
LINK         O3' PED C 427                 P    DG C 428     1555   1555  1.60  
LINK         C1' PED C 427                 N   PRO A   1     1555   1555  1.40  
LINK        ZN    ZN A 501                 SG  CYS A 237     1555   1555  2.36  
LINK        ZN    ZN A 501                 SG  CYS A 240     1555   1555  2.31  
LINK        ZN    ZN A 501                 SG  CYS A 257     1555   1555  2.33  
LINK        ZN    ZN A 501                 SG  CYS A 260     1555   1555  2.31  
LINK         O3'  DC B 403                 P   BRU B 404     1555   1555  1.63  
LINK         O3' BRU B 404                 P   BRU B 405     1555   1555  1.64  
LINK         O3' BRU B 405                 P    DC B 406     1555   1555  1.59  
LINK         O3'  DA B 407                 P   BRU B 408     1555   1555  1.62  
LINK         O3' BRU B 408                 P    DC B 409     1555   1555  1.62  
LINK         O3'  DC B 410                 P   BRU B 411     1555   1555  1.63  
LINK         O3' BRU B 411                 P    DG B 412     1555   1555  1.64  
SITE     1 AC1  4 CYS A 237  CYS A 240  CYS A 257  CYS A 260                    
SITE     1 AC2  5 ARG A   8  ASN A  12  HOH A 657  HOH A1022                    
SITE     2 AC2  5 HOH A1025                                                     
SITE     1 AC3  8 ARG A 112  LYS A 140  ALA A 191  ASP A 195                    
SITE     2 AC3  8 HOH A 665  HOH A 757  HOH A 856  HOH A 957                    
SITE     1 AC4  6 ASN A 190  ALA A 191  HOH A 630  HOH A 828                    
SITE     2 AC4  6 HOH A 884  HOH A 941                                          
SITE     1 AC5  3 PRO A   1  HOH A 681  HOH A 961                               
SITE     1 AC6  5 HOH A 648  HOH A 652  HOH A 734  HOH A 994                    
SITE     2 AC6  5 HOH A1071                                                     
SITE     1 AC7  4 ARG A 147  ARG A 151  HOH A 685  HOH A 773                    
SITE     1 AC8  7 ASP A 195  HIS A 199  HOH A 684  HOH A 691                    
SITE     2 AC8  7 HOH A 722  HOH A 752  HOH A 932                               
SITE     1 AC9 10 SER A  37  GLN A  38  GLY A 179  LEU A 180                    
SITE     2 AC9 10 HIS A 184  GLN A 193  HIS A 262  HOH A 671                    
SITE     3 AC9 10 HOH A 689  HOH A 737                                          
SITE     1 BC1  6 THR A 117  ARG A 142  HOH A 655  HOH A 711                    
SITE     2 BC1  6 HOH A 998  HOH A1054                                          
CRYST1   76.495   76.495  164.310  90.00  90.00  90.00 P 43 2 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      0.013073  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013073  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006086        0.00000