HEADER    TRANSFERASE/TRANSFERASE INHIBITOR       23-JAN-19   6NRI              
TITLE     CRYSTAL STRUCTURE OF HUMAN PARP-1 ART DOMAIN BOUND TO INHIBITOR UTT83 
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   13-NOV-24 6NRI    1       REMARK                                   
REVDAT   3   11-OCT-23 6NRI    1       REMARK                                   
REVDAT   2   08-JAN-20 6NRI    1       REMARK                                   
REVDAT   1   14-AUG-19 6NRI    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.    2.20 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) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 48.20                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 15182                          
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) : 0.188                           
REMARK   3   R VALUE            (WORKING SET) : 0.185                           
REMARK   3   FREE R VALUE                     : 0.238                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 821                             
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1898                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 52                                      
REMARK   3   SOLVENT ATOMS            : 56                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 56.44                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.96000                                              
REMARK   3    B22 (A**2) : 0.96000                                              
REMARK   3    B33 (A**2) : -1.92000                                             
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): 0.220         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.194         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.139         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 11.229        
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 6NRI 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_1000239291.                                   
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          : AIMLESS 0.5.32                     
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 16019                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 48.200                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 15.80                              
REMARK 200  R MERGE                    (I) : 0.08100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 20.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.27                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 16.20                              
REMARK 200  R MERGE FOR SHELL          (I) : 1.18900                            
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   (%): 51.55                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.54                     
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       46.30800            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000       46.30800            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       71.03600            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       46.30800            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       35.51800            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       46.30800            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      106.55400            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       46.30800            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000      106.55400            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       46.30800            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       35.51800            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000       46.30800            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000       46.30800            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       71.03600            
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       46.30800            
REMARK 290   SMTRY2   9  0.000000  1.000000  0.000000       46.30800            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       71.03600            
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       46.30800            
REMARK 290   SMTRY2  11  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000  1.000000      106.55400            
REMARK 290   SMTRY1  12  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  12 -1.000000  0.000000  0.000000       46.30800            
REMARK 290   SMTRY3  12  0.000000  0.000000  1.000000       35.51800            
REMARK 290   SMTRY1  13 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       46.30800            
REMARK 290   SMTRY3  13  0.000000  0.000000 -1.000000       35.51800            
REMARK 290   SMTRY1  14  1.000000  0.000000  0.000000       46.30800            
REMARK 290   SMTRY2  14  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  14  0.000000  0.000000 -1.000000      106.55400            
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       46.30800            
REMARK 290   SMTRY2  16 -1.000000  0.000000  0.000000       46.30800            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000       71.03600            
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     THR A  1011                                                      
REMARK 465     SER A  1012                                                      
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     THR A 821    CG2                                                 
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  1256     O    HOH A  1256    10655     1.77            
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    PHE A 779       52.67   -111.07                                   
REMARK 500    HIS A 826       62.76   -103.16                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    ARG A 841         0.08    SIDE CHAIN                              
REMARK 500    ARG A 865         0.22    SIDE CHAIN                              
REMARK 500    ARG A 878         0.12    SIDE CHAIN                              
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 KYM A 1101                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue CIT A 1102                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue DMS A 1103                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 6NRF   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6NRG   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6NRH   RELATED DB: PDB                                   
DBREF  6NRI A  788  1012  UNP    P09874   PARP1_HUMAN    788   1012             
SEQADV 6NRI MET A  742  UNP  P09874              INITIATING METHIONINE          
SEQADV 6NRI GLY A  743  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI SER A  744  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI SER A  745  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI HIS A  746  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI HIS A  747  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI HIS A  748  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI HIS A  749  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI HIS A  750  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI HIS A  751  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI SER A  752  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI SER A  753  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI GLY A  754  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI LEU A  755  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI VAL A  756  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI PRO A  757  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI ARG A  758  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI GLY A  759  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI SER A  760  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI HIS A  761  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI MET A  762  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI THR A  763  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI LYS A  764  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI SER A  765  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI LYS A  766  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI LEU A  767  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI PRO A  768  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI LYS A  769  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI PRO A  770  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI VAL A  771  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI GLN A  772  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI ASP A  773  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI LEU A  774  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI ILE A  775  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI LYS A  776  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI MET A  777  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI ILE A  778  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI PHE A  779  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI GLY A  780  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI SER A  781  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI GLY A  782  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI SER A  783  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI GLY A  784  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI SER A  785  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI GLY A  786  UNP  P09874              EXPRESSION TAG                 
SEQADV 6NRI 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    KYM  A1101      34                                                       
HET    CIT  A1102      13                                                       
HET    DMS  A1103       4                                                       
HET     CL  A1104       1                                                       
HETNAM     KYM (2Z)-2-{[4-(3-CYCLOPROPYL-5,6-DIHYDRO[1,2,4]TRIAZOLO[4,          
HETNAM   2 KYM  3-A]PYRAZINE-7(8H)-CARBONYL)PHENYL]METHYLIDENE}-3-OXO-          
HETNAM   3 KYM  2,3-DIHYDRO-1-BENZOFURAN-7-CARBOXAMIDE                          
HETNAM     CIT CITRIC ACID                                                      
HETNAM     DMS DIMETHYL SULFOXIDE                                               
HETNAM      CL CHLORIDE ION                                                     
FORMUL   2  KYM    C25 H21 N5 O4                                                
FORMUL   3  CIT    C6 H8 O7                                                     
FORMUL   4  DMS    C2 H6 O S                                                    
FORMUL   5   CL    CL 1-                                                        
FORMUL   6  HOH   *56(H2 O)                                                     
HELIX    1 AA1 PRO A  768  PHE A  779  1                                  12    
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  LYS A 838   N  LYS A 802           
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  GLU A 923   O  ASN A 998           
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  2.03  
SITE     1 AC1 13 HIS A 862  GLY A 863  ARG A 865  ASN A 868                    
SITE     2 AC1 13 GLY A 888  TYR A 889  TYR A 896  PHE A 897                    
SITE     3 AC1 13 SER A 904  TYR A 907  HOH A1205  HOH A1226                    
SITE     4 AC1 13 HOH A1247                                                     
SITE     1 AC2  9 LYS A 766  HIS A 826  LYS A 903  TYR A 907                    
SITE     2 AC2  9 LEU A 984  LEU A 985  TYR A 986  HOH A1201                    
SITE     3 AC2  9 HOH A1227                                                     
SITE     1 AC3  7 HIS A 862  ARG A 878  TYR A 889  GLY A 894                    
SITE     2 AC3  7 ILE A 895  TYR A 896  HOH A1247                               
CRYST1   92.616   92.616  142.072  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      0.010797  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010797  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007039        0.00000