HEADER    DE NOVO PROTEIN                         01-AUG-23   8TND              
TITLE     DE NOVO DESIGNED PROTEIN BINDS POLY ADP RIBOSE POLYMERASE INHIBITORS  
TITLE    2 (PARPI) - HOLO VELIPARIB                                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DE NOVO DESIGNED PROTEIN;                                  
COMPND   3 CHAIN: A, B, C;                                                      
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT;                            
SOURCE   3 ORGANISM_TAXID: 32630;                                               
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 469008                                      
KEYWDS    DRUG BINDING, 4-HELIX BUNDLE, DE NOVO DESIGN, PARPI, DE NOVO PROTEIN, 
KEYWDS   2 VELIPARIB                                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    L.LU,W.F.DEGRADO                                                      
REVDAT   1   24-APR-24 8TND    0                                                
JRNL        AUTH   L.LU,X.GOU,S.K.TAN,S.I.MANN,H.YANG,X.ZHONG,D.GAZGALIS,       
JRNL        AUTH 2 J.VALDIVIEZO,H.JO,Y.WU,M.E.DIOLAITI,A.ASHWORTH,N.F.POLIZZI,  
JRNL        AUTH 3 W.F.DEGRADO                                                  
JRNL        TITL   DE NOVO DESIGN OF DRUG-BINDING PROTEINS WITH PREDICTABLE     
JRNL        TITL 2 BINDING ENERGY AND SPECIFICITY.                              
JRNL        REF    SCIENCE                       V. 384   106 2024              
JRNL        REFN                   ESSN 1095-9203                               
JRNL        PMID   38574125                                                     
JRNL        DOI    10.1126/SCIENCE.ADL5364                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.29 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.20.1_4487                                   
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : GEOSTD + MONOMER LIBRARY + CDL V1.2           
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.29                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 78.59                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.330                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 123616                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.203                           
REMARK   3   R VALUE            (WORKING SET) : 0.202                           
REMARK   3   FREE R VALUE                     : 0.224                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 1.620                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1998                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 78.5900 -  3.1000    1.00     9347   154  0.1879 0.1981        
REMARK   3     2  3.1000 -  2.4600    1.00     8909   147  0.1842 0.2124        
REMARK   3     3  2.4600 -  2.1500    1.00     8813   144  0.1694 0.1983        
REMARK   3     4  2.1500 -  1.9600    1.00     8787   145  0.1878 0.1974        
REMARK   3     5  1.9600 -  1.8200    1.00     8688   142  0.1967 0.2190        
REMARK   3     6  1.8200 -  1.7100    1.00     8693   144  0.2033 0.2431        
REMARK   3     7  1.7100 -  1.6200    1.00     8663   142  0.2402 0.2716        
REMARK   3     8  1.6200 -  1.5500    1.00     8684   143  0.2428 0.2864        
REMARK   3     9  1.5500 -  1.4900    1.00     8620   142  0.2319 0.2326        
REMARK   3    10  1.4900 -  1.4400    1.00     8588   139  0.2280 0.2421        
REMARK   3    11  1.4400 -  1.4000    1.00     8605   142  0.2793 0.3482        
REMARK   3    12  1.4000 -  1.3600    1.00     8625   142  0.3415 0.3881        
REMARK   3    13  1.3600 -  1.3200    1.00     8607   141  0.4193 0.4842        
REMARK   3    14  1.3200 -  1.2900    0.93     7989   131  0.4710 0.5265        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.10                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.229            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 24.551           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 18.67                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 25.75                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.008           3525                                  
REMARK   3   ANGLE     :  0.924           4782                                  
REMARK   3   CHIRALITY :  0.050            561                                  
REMARK   3   PLANARITY :  0.007            618                                  
REMARK   3   DIHEDRAL  :  7.221            477                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 8TND COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-AUG-23.                  
REMARK 100 THE DEPOSITION ID IS D_1000276302.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 10-JUN-23                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 8.3.1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.1                                
REMARK 200  MONOCHROMATOR                  : NULL                               
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          : POINTLESS                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 123927                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.290                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 202.350                            
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.4                               
REMARK 200  DATA REDUNDANCY                : 67.60                              
REMARK 200  R MERGE                    (I) : 0.09000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 31.2000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.29                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.31                     
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: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.28                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.47                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 2M AMMONIUM SULFATE, VAPOR DIFFUSION,    
REMARK 280  HANGING DROP, TEMPERATURE 298K                                      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+5/6                                            
REMARK 290       6555   X-Y,X,Z+1/6                                             
REMARK 290       7555   Y,X,-Z+1/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+2/3                                          
REMARK 290      10555   -Y,-X,-Z+5/6                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+1/6                                            
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       67.45100            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000      134.90200            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      101.17650            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000      168.62750            
REMARK 290   SMTRY1   6  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       33.72550            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       67.45100            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000      134.90200            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000      168.62750            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000      101.17650            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       33.72550            
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: A, B, C                               
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 A 367  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 416  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B 408  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH C 383  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH C 418  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH C 430  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH C 442  LIES ON A SPECIAL POSITION.                          
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  HH11  ARG A    39     OD2  ASP A    42              1.57            
REMARK 500   O    HOH C   335     O    HOH C   392              1.73            
REMARK 500   O    HOH B   323     O    HOH B   440              1.90            
REMARK 500   O    HOH B   379     O    HOH C   336              1.92            
REMARK 500   O    HOH A   406     O    HOH A   458              1.94            
REMARK 500   O    HOH A   322     O    HOH A   368              2.00            
REMARK 500   O    HOH B   405     O    HOH B   456              2.00            
REMARK 500   O    HOH C   401     O    HOH C   421              2.03            
REMARK 500   O    HOH C   301     O    HOH C   304              2.06            
REMARK 500   O    HOH B   400     O    HOH B   451              2.10            
REMARK 500   OH   TYR C    35     O    HOH C   301              2.10            
REMARK 500   OD2  ASP B    29     O    HOH B   301              2.10            
REMARK 500   O    HOH B   443     O    HOH B   466              2.10            
REMARK 500   O    HOH A   425     O    HOH A   450              2.13            
REMARK 500   O    HOH C   372     O    HOH C   377              2.13            
REMARK 500   O    HOH A   451     O    HOH B   445              2.15            
REMARK 500   OD2  ASP A    81     O    HOH A   301              2.15            
REMARK 500   O    HOH C   373     O    HOH C   375              2.16            
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   428     O    HOH B   313     8555     1.95            
REMARK 500   O    HOH B   407     O    HOH B   410     8555     1.97            
REMARK 500   O    HOH B   321     O    HOH C   302     3664     2.03            
REMARK 500   O    HOH A   390     O    HOH C   390     5564     2.13            
REMARK 500   O    HOH A   360     O    HOH B   433     8555     2.14            
REMARK 500   O    HOH A   429     O    HOH B   424     8555     2.14            
REMARK 500   O    HOH B   418     O    HOH B   418     8555     2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ASP A   2      -35.19   -169.81                                   
REMARK 500    LYS B 146      -67.68     45.64                                   
REMARK 500    ASP C  77      119.87   -178.39                                   
REMARK 500    LYS C 146      105.20    114.53                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  8TND A    1   147  PDB    8TND     8TND             1    147             
DBREF  8TND B    1   147  PDB    8TND     8TND             1    147             
DBREF  8TND C    1   147  PDB    8TND     8TND             1    147             
SEQRES   1 A  147  SER ASP ALA GLN GLU ILE LEU SER ARG LEU ASN SER VAL          
SEQRES   2 A  147  LEU GLU ALA ALA TRP LYS THR ILE LEU ASN LEU ALA SER          
SEQRES   3 A  147  ALA THR ASP ALA ALA GLU LYS ALA TYR LYS GLU GLY ARG          
SEQRES   4 A  147  GLU GLU ASP LEU ALA THR TYR LEU ASP GLN ALA ALA SER          
SEQRES   5 A  147  TYR GLN SER GLN VAL ASP GLN TYR ALA VAL GLU THR VAL          
SEQRES   6 A  147  ARG LEU LEU ALA GLU LEU LYS LYS VAL PHE PRO ASP GLU          
SEQRES   7 A  147  GLU ALA ASP ARG ALA LEU GLN ILE ALA GLU LYS LEU LEU          
SEQRES   8 A  147  LYS THR VAL GLN GLU ALA SER LYS THR LEU ASP THR ALA          
SEQRES   9 A  147  VAL ALA ALA ALA ALA ASN GLY ASP GLU GLU THR PHE ALA          
SEQRES  10 A  147  LYS ALA PHE ASN GLN PHE VAL SER LEU GLY ASN GLN ALA          
SEQRES  11 A  147  ASP THR LEU PHE THR GLN LEU GLN ARG THR LEU THR ASN          
SEQRES  12 A  147  LEU ASN LYS LYS                                              
SEQRES   1 B  147  SER ASP ALA GLN GLU ILE LEU SER ARG LEU ASN SER VAL          
SEQRES   2 B  147  LEU GLU ALA ALA TRP LYS THR ILE LEU ASN LEU ALA SER          
SEQRES   3 B  147  ALA THR ASP ALA ALA GLU LYS ALA TYR LYS GLU GLY ARG          
SEQRES   4 B  147  GLU GLU ASP LEU ALA THR TYR LEU ASP GLN ALA ALA SER          
SEQRES   5 B  147  TYR GLN SER GLN VAL ASP GLN TYR ALA VAL GLU THR VAL          
SEQRES   6 B  147  ARG LEU LEU ALA GLU LEU LYS LYS VAL PHE PRO ASP GLU          
SEQRES   7 B  147  GLU ALA ASP ARG ALA LEU GLN ILE ALA GLU LYS LEU LEU          
SEQRES   8 B  147  LYS THR VAL GLN GLU ALA SER LYS THR LEU ASP THR ALA          
SEQRES   9 B  147  VAL ALA ALA ALA ALA ASN GLY ASP GLU GLU THR PHE ALA          
SEQRES  10 B  147  LYS ALA PHE ASN GLN PHE VAL SER LEU GLY ASN GLN ALA          
SEQRES  11 B  147  ASP THR LEU PHE THR GLN LEU GLN ARG THR LEU THR ASN          
SEQRES  12 B  147  LEU ASN LYS LYS                                              
SEQRES   1 C  147  SER ASP ALA GLN GLU ILE LEU SER ARG LEU ASN SER VAL          
SEQRES   2 C  147  LEU GLU ALA ALA TRP LYS THR ILE LEU ASN LEU ALA SER          
SEQRES   3 C  147  ALA THR ASP ALA ALA GLU LYS ALA TYR LYS GLU GLY ARG          
SEQRES   4 C  147  GLU GLU ASP LEU ALA THR TYR LEU ASP GLN ALA ALA SER          
SEQRES   5 C  147  TYR GLN SER GLN VAL ASP GLN TYR ALA VAL GLU THR VAL          
SEQRES   6 C  147  ARG LEU LEU ALA GLU LEU LYS LYS VAL PHE PRO ASP GLU          
SEQRES   7 C  147  GLU ALA ASP ARG ALA LEU GLN ILE ALA GLU LYS LEU LEU          
SEQRES   8 C  147  LYS THR VAL GLN GLU ALA SER LYS THR LEU ASP THR ALA          
SEQRES   9 C  147  VAL ALA ALA ALA ALA ASN GLY ASP GLU GLU THR PHE ALA          
SEQRES  10 C  147  LYS ALA PHE ASN GLN PHE VAL SER LEU GLY ASN GLN ALA          
SEQRES  11 C  147  ASP THR LEU PHE THR GLN LEU GLN ARG THR LEU THR ASN          
SEQRES  12 C  147  LEU ASN LYS LYS                                              
HET    78P  A 201      35                                                       
HET    SO4  A 202       5                                                       
HET    78P  B 201      35                                                       
HET    SO4  B 202       5                                                       
HET    78P  C 201      35                                                       
HET    SO4  C 202       5                                                       
HETNAM     78P (2R)-2-(7-CARBAMOYL-1H-BENZIMIDAZOL-2-YL)-2-                     
HETNAM   2 78P  METHYLPYRROLIDINIUM                                             
HETNAM     SO4 SULFATE ION                                                      
HETSYN     78P VELIPARIB                                                        
FORMUL   4  78P    3(C13 H16 N4 O)                                              
FORMUL   5  SO4    3(O4 S 2-)                                                   
FORMUL  10  HOH   *475(H2 O)                                                    
HELIX    1 AA1 ASP A    2  GLY A   38  1                                  37    
HELIX    2 AA2 ARG A   39  PHE A   75  1                                  37    
HELIX    3 AA3 ASP A   77  GLY A  111  1                                  35    
HELIX    4 AA4 ASP A  112  LYS A  146  1                                  35    
HELIX    5 AA5 ASP B    2  GLY B   38  1                                  37    
HELIX    6 AA6 ARG B   39  PHE B   75  1                                  37    
HELIX    7 AA7 ALA B   80  GLY B  111  1                                  32    
HELIX    8 AA8 ASP B  112  LYS B  146  1                                  35    
HELIX    9 AA9 ASP C    2  GLY C   38  1                                  37    
HELIX   10 AB1 ARG C   39  PHE C   75  1                                  37    
HELIX   11 AB2 ASP C   77  GLY C  111  1                                  35    
HELIX   12 AB3 ASP C  112  ASN C  145  1                                  34    
CRYST1   90.750   90.750  202.353  90.00  90.00 120.00 P 61 2 2     36          
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      0.011019  0.006362  0.000000        0.00000                         
SCALE2      0.000000  0.012724  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.004942        0.00000