HEADER    TRANSFERASE/TRANSFERASE INHIBITOR       23-JAN-19   6NRF              
TITLE     CRYSTAL STRUCTURE OF HUMAN PARP-1 ART DOMAIN BOUND TO INHIBITOR UTT103
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: POLY [ADP-RIBOSE] POLYMERASE 1;                            
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: ADP-RIBOSYLTRANSFERASE (ART) DOMAIN;                       
COMPND   5 SYNONYM: PARP-1,ADP-RIBOSYLTRANSFERASE DIPHTHERIA TOXIN-LIKE 1,ARTD1,
COMPND   6 NAD(+) ADP-RIBOSYLTRANSFERASE 1,ADPRT 1,POLY[ADP-RIBOSE] SYNTHASE 1; 
COMPND   7 EC: 2.4.2.30,2.4.2.-;                                                
COMPND   8 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: PARP1, ADPRT, PPOL;                                            
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: ROSETTA2(DE3);                             
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET28                                     
KEYWDS    PARP-1, POLY(ADP-RIBOSE) POLYMERASE, PARP INHIBITOR, PARP1, ARTD1,    
KEYWDS   2 TRANSFERASE, TRANSFERASE-TRANSFERASE INHIBITOR COMPLEX               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.F.LANGELIER,J.M.PASCAL                                              
REVDAT   4   06-NOV-24 6NRF    1       REMARK                                   
REVDAT   3   11-OCT-23 6NRF    1       REMARK                                   
REVDAT   2   08-JAN-20 6NRF    1       REMARK                                   
REVDAT   1   14-AUG-19 6NRF    0                                                
JRNL        AUTH   U.K.VELAGAPUDI,M.F.LANGELIER,C.DELGADO-MARTIN,M.E.DIOLAITI,  
JRNL        AUTH 2 S.BAKKER,A.ASHWORTH,B.A.PATEL,X.SHAO,J.M.PASCAL,T.T.TALELE   
JRNL        TITL   DESIGN AND SYNTHESIS OF POLY(ADP-RIBOSE) POLYMERASE          
JRNL        TITL 2 INHIBITORS: IMPACT OF ADENOSINE POCKET-BINDING MOTIF         
JRNL        TITL 3 APPENDAGE TO THE 3-OXO-2,3-DIHYDROBENZOFURAN-7-CARBOXAMIDE   
JRNL        TITL 4 ON POTENCY AND SELECTIVITY.                                  
JRNL        REF    J.MED.CHEM.                   V.  62  5330 2019              
JRNL        REFN                   ISSN 0022-2623                               
JRNL        PMID   31042381                                                     
JRNL        DOI    10.1021/ACS.JMEDCHEM.8B01709                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 47.79                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 19549                          
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) : 0.190                           
REMARK   3   R VALUE            (WORKING SET) : 0.188                           
REMARK   3   FREE R VALUE                     : 0.231                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.500                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 915                             
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1895                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 56                                      
REMARK   3   SOLVENT ATOMS            : 106                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 42.00                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.31000                                              
REMARK   3    B22 (A**2) : 1.31000                                              
REMARK   3    B33 (A**2) : -2.63000                                             
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): 0.166         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.154         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.138         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 10.557        
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : NULL  ; NULL                
REMARK   3    ANGLE DISTANCE                  (A) : NULL  ; NULL                
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : NULL  ; NULL                
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : NULL  ; NULL                
REMARK   3    MULTIPLE TORSION                (A) : NULL  ; NULL                
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : NULL  ; NULL                
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS U VALUES : WITH TLS ADDED                                 
REMARK   4                                                                      
REMARK   4 6NRF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-JAN-19.                  
REMARK 100 THE DEPOSITION ID IS D_1000239282.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 08-FEB-18                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : CLSI                               
REMARK 200  BEAMLINE                       : 08ID-1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.979                              
REMARK 200  MONOCHROMATOR                  : ACCEL/BRUKER DOUBLE CRYSTAL        
REMARK 200                                   MONOCHROMATOR (DCM), SI(111)       
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS3 S 6M              
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 21034                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 47.790                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : 24.50                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 16.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.05                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
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: PHASER                                                
REMARK 200 STARTING MODEL: PDBID 6BHV                                           
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.02                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.51                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: ~20% PEG 3350, 0.2 M AMMONIUM SULFATE    
REMARK 280  OR SODIUM CITRATE, 100 MM HEPES PH 7.5, EVAPORATION, TEMPERATURE    
REMARK 280  298K                                                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 41 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       3555   -Y,X+1/2,Z+1/4                                          
REMARK 290       4555   Y+1/2,-X,Z+3/4                                          
REMARK 290       5555   -X+1/2,Y,-Z+3/4                                         
REMARK 290       6555   X,-Y+1/2,-Z+1/4                                         
REMARK 290       7555   Y+1/2,X+1/2,-Z+1/2                                      
REMARK 290       8555   -Y,-X,-Z                                                
REMARK 290       9555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290      10555   -X,-Y,Z                                                 
REMARK 290      11555   -Y+1/2,X,Z+3/4                                          
REMARK 290      12555   Y,-X+1/2,Z+1/4                                          
REMARK 290      13555   -X,Y+1/2,-Z+1/4                                         
REMARK 290      14555   X+1/2,-Y,-Z+3/4                                         
REMARK 290      15555   Y,X,-Z                                                  
REMARK 290      16555   -Y+1/2,-X+1/2,-Z+1/2                                    
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       46.69500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000       46.69500            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       69.10650            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       46.69500            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       34.55325            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       46.69500            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      103.65975            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       46.69500            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000      103.65975            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       46.69500            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       34.55325            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000       46.69500            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000       46.69500            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       69.10650            
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        0.00000            
REMARK 290   SMTRY1   9  1.000000  0.000000  0.000000       46.69500            
REMARK 290   SMTRY2   9  0.000000  1.000000  0.000000       46.69500            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       69.10650            
REMARK 290   SMTRY1  10 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  10  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1  11  0.000000 -1.000000  0.000000       46.69500            
REMARK 290   SMTRY2  11  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000  1.000000      103.65975            
REMARK 290   SMTRY1  12  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  12 -1.000000  0.000000  0.000000       46.69500            
REMARK 290   SMTRY3  12  0.000000  0.000000  1.000000       34.55325            
REMARK 290   SMTRY1  13 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       46.69500            
REMARK 290   SMTRY3  13  0.000000  0.000000 -1.000000       34.55325            
REMARK 290   SMTRY1  14  1.000000  0.000000  0.000000       46.69500            
REMARK 290   SMTRY2  14  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  14  0.000000  0.000000 -1.000000      103.65975            
REMARK 290   SMTRY1  15  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  15  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3  15  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1  16  0.000000 -1.000000  0.000000       46.69500            
REMARK 290   SMTRY2  16 -1.000000  0.000000  0.000000       46.69500            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000       69.10650            
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: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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 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   742                                                      
REMARK 465     GLY A   743                                                      
REMARK 465     SER A   744                                                      
REMARK 465     SER A   745                                                      
REMARK 465     HIS A   746                                                      
REMARK 465     HIS A   747                                                      
REMARK 465     HIS A   748                                                      
REMARK 465     HIS A   749                                                      
REMARK 465     HIS A   750                                                      
REMARK 465     HIS A   751                                                      
REMARK 465     SER A   752                                                      
REMARK 465     SER A   753                                                      
REMARK 465     GLY A   754                                                      
REMARK 465     LEU A   755                                                      
REMARK 465     VAL A   756                                                      
REMARK 465     PRO A   757                                                      
REMARK 465     ARG A   758                                                      
REMARK 465     GLY A   759                                                      
REMARK 465     SER A   760                                                      
REMARK 465     HIS A   761                                                      
REMARK 465     MET A   762                                                      
REMARK 465     THR A   763                                                      
REMARK 465     SER A   781                                                      
REMARK 465     GLY A   782                                                      
REMARK 465     SER A   783                                                      
REMARK 465     GLY A   784                                                      
REMARK 465     SER A   785                                                      
REMARK 465     GLY A   786                                                      
REMARK 465     GLY A   787                                                      
REMARK 465     THR A  1011                                                      
REMARK 465     SER A  1012                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   OE1  GLU A   844     O    HOH A  1201              2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A  1298     O    HOH A  1302     3545     1.71            
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    CYS A 845      -75.86    -52.95                                   
REMARK 500    ASN A 856       60.88     60.44                                   
REMARK 500    SER A 936      115.25   -162.27                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue CIT A 1101                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue DMS A 1102                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue KYV A 1103                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue CL A 1104                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue CL A 1105                 
DBREF  6NRF A  788  1012  UNP    P09874   PARP1_HUMAN    788   1012             
SEQADV 6NRF MET A  742  UNP  P09874              INITIATING METHIONINE          
SEQADV 6NRF GLY A  743  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF SER A  744  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF SER A  745  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF HIS A  746  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF HIS A  747  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF HIS A  748  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF HIS A  749  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF HIS A  750  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF HIS A  751  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF SER A  752  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF SER A  753  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF GLY A  754  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF LEU A  755  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF VAL A  756  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF PRO A  757  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF ARG A  758  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF GLY A  759  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF SER A  760  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF HIS A  761  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF MET A  762  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF THR A  763  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF LYS A  764  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF SER A  765  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF LYS A  766  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF LEU A  767  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF PRO A  768  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF LYS A  769  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF PRO A  770  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF VAL A  771  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF GLN A  772  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF ASP A  773  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF LEU A  774  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF ILE A  775  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF LYS A  776  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF MET A  777  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF ILE A  778  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF PHE A  779  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF GLY A  780  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF SER A  781  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF GLY A  782  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF SER A  783  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF GLY A  784  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF SER A  785  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF GLY A  786  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRF GLY A  787  UNP  P09874              EXPRESSION TAG                 
SEQRES   1 A  271  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 A  271  LEU VAL PRO ARG GLY SER HIS MET THR LYS SER LYS LEU          
SEQRES   3 A  271  PRO LYS PRO VAL GLN ASP LEU ILE LYS MET ILE PHE GLY          
SEQRES   4 A  271  SER GLY SER GLY SER GLY GLY ASP PRO ILE ASP VAL ASN          
SEQRES   5 A  271  TYR GLU LYS LEU LYS THR ASP ILE LYS VAL VAL ASP ARG          
SEQRES   6 A  271  ASP SER GLU GLU ALA GLU ILE ILE ARG LYS TYR VAL LYS          
SEQRES   7 A  271  ASN THR HIS ALA THR THR HIS ASN ALA TYR ASP LEU GLU          
SEQRES   8 A  271  VAL ILE ASP ILE PHE LYS ILE GLU ARG GLU GLY GLU CYS          
SEQRES   9 A  271  GLN ARG TYR LYS PRO PHE LYS GLN LEU HIS ASN ARG ARG          
SEQRES  10 A  271  LEU LEU TRP HIS GLY SER ARG THR THR ASN PHE ALA GLY          
SEQRES  11 A  271  ILE LEU SER GLN GLY LEU ARG ILE ALA PRO PRO GLU ALA          
SEQRES  12 A  271  PRO VAL THR GLY TYR MET PHE GLY LYS GLY ILE TYR PHE          
SEQRES  13 A  271  ALA ASP MET VAL SER LYS SER ALA ASN TYR CYS HIS THR          
SEQRES  14 A  271  SER GLN GLY ASP PRO ILE GLY LEU ILE LEU LEU GLY GLU          
SEQRES  15 A  271  VAL ALA LEU GLY ASN MET TYR GLU LEU LYS HIS ALA SER          
SEQRES  16 A  271  HIS ILE SER LYS LEU PRO LYS GLY LYS HIS SER VAL LYS          
SEQRES  17 A  271  GLY LEU GLY LYS THR THR PRO ASP PRO SER ALA ASN ILE          
SEQRES  18 A  271  SER LEU ASP GLY VAL ASP VAL PRO LEU GLY THR GLY ILE          
SEQRES  19 A  271  SER SER GLY VAL ASN ASP THR SER LEU LEU TYR ASN GLU          
SEQRES  20 A  271  TYR ILE VAL TYR ASP ILE ALA GLN VAL ASN LEU LYS TYR          
SEQRES  21 A  271  LEU LEU LYS LEU LYS PHE ASN PHE LYS THR SER                  
HET    CIT  A1101      13                                                       
HET    DMS  A1102       4                                                       
HET    KYV  A1103      37                                                       
HET     CL  A1104       1                                                       
HET     CL  A1105       1                                                       
HETNAM     CIT CITRIC ACID                                                      
HETNAM     DMS DIMETHYL SULFOXIDE                                               
HETNAM     KYV 2-({4-[4-(1H-BENZIMIDAZOL-2-YL)PIPERAZINE-1-                     
HETNAM   2 KYV  CARBONYL]PHENYL}METHYL)-3-HYDROXY-1-BENZOFURAN-7-               
HETNAM   3 KYV  CARBOXAMIDE                                                     
HETNAM      CL CHLORIDE ION                                                     
FORMUL   2  CIT    C6 H8 O7                                                     
FORMUL   3  DMS    C2 H6 O S                                                    
FORMUL   4  KYV    C28 H25 N5 O4                                                
FORMUL   5   CL    2(CL 1-)                                                     
FORMUL   7  HOH   *106(H2 O)                                                    
HELIX    1 AA1 PRO A  768  GLY A  780  1                                  13    
HELIX    2 AA2 PRO A  789  LEU A  797  1                                   9    
HELIX    3 AA3 SER A  808  THR A  821  1                                  14    
HELIX    4 AA4 GLY A  843  LYS A  849  1                                   7    
HELIX    5 AA5 PRO A  850  LYS A  852  5                                   3    
HELIX    6 AA6 ARG A  865  THR A  867  5                                   3    
HELIX    7 AA7 ASN A  868  GLY A  876  1                                   9    
HELIX    8 AA8 MET A  900  ASN A  906  1                                   7    
HELIX    9 AA9 TYR A  907  HIS A  909  5                                   3    
HELIX   10 AB1 PRO A  958  ASN A  961  5                                   4    
HELIX   11 AB2 ASP A  993  ALA A  995  5                                   3    
SHEET    1 AA1 5 THR A 799  VAL A 803  0                                        
SHEET    2 AA1 5 TYR A 829  ARG A 841 -1  O  GLU A 840   N  ASP A 800           
SHEET    3 AA1 5 VAL A 997  PHE A1009 -1  O  LYS A1006   N  GLU A 832           
SHEET    4 AA1 5 ILE A 916  ALA A 925 -1  N  ILE A 919   O  LEU A1003           
SHEET    5 AA1 5 ARG A 857  GLY A 863 -1  N  HIS A 862   O  LEU A 920           
SHEET    1 AA2 4 ILE A 895  PHE A 897  0                                        
SHEET    2 AA2 4 GLU A 988  VAL A 991 -1  O  VAL A 991   N  ILE A 895           
SHEET    3 AA2 4 SER A 947  GLY A 950 -1  N  VAL A 948   O  ILE A 990           
SHEET    4 AA2 4 MET A 929  LEU A 932  1  N  TYR A 930   O  SER A 947           
SHEET    1 AA3 3 GLY A 974  SER A 976  0                                        
SHEET    2 AA3 3 GLY A 952  PRO A 956 -1  N  THR A 955   O  ILE A 975           
SHEET    3 AA3 3 LEU A 984  TYR A 986  1  O  LEU A 985   N  THR A 954           
SHEET    1 AA4 2 ILE A 962  LEU A 964  0                                        
SHEET    2 AA4 2 VAL A 967  VAL A 969 -1  O  VAL A 969   N  ILE A 962           
SSBOND   1 CYS A  845    CYS A  845                          1555   7545  2.04  
SITE     1 AC1  9 LYS A 766  HIS A 826  LYS A 903  LEU A 984                    
SITE     2 AC1  9 LEU A 985  TYR A 986  HOH A1202  HOH A1204                    
SITE     3 AC1  9 HOH A1216                                                     
SITE     1 AC2  7 HIS A 862  ARG A 878  TYR A 889  GLY A 894                    
SITE     2 AC2  7 ILE A 895  TYR A 896  KYV A1103                               
SITE     1 AC3 14 HIS A 862  GLY A 863  ASN A 868  GLY A 888                    
SITE     2 AC3 14 TYR A 889  TYR A 896  PHE A 897  SER A 904                    
SITE     3 AC3 14 TYR A 907  DMS A1102  HOH A1207  HOH A1224                    
SITE     4 AC3 14 HOH A1237  HOH A1257                                          
SITE     1 AC4  2 HOH A1265  HOH A1290                                          
SITE     1 AC5  2 SER A 939  TYR A 992                                          
CRYST1   93.390   93.390  138.213  90.00  90.00  90.00 I 41 2 2     16          
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      0.010708  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010708  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007235        0.00000