HEADER    CELL CYCLE                              22-OCT-10   3PD7              
TITLE     CRYSTAL STRUCTURE OF THE SIXTH BRCT DOMAIN OF HUMAN TOPBP1            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DNA TOPOISOMERASE 2-BINDING PROTEIN 1;                     
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: SIXTH BRCT DOMAIN, UNP RESIDUES 893-994;                   
COMPND   5 SYNONYM: DNA TOPOISOMERASE II-BETA-BINDING PROTEIN 1, TOPBP1, DNA    
COMPND   6 TOPOISOMERASE II-BINDING PROTEIN 1;                                  
COMPND   7 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: TOPBP1, KIAA0259;                                              
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PTEV                                      
KEYWDS    BRCT DOMAIN, CELL CYCLE, DNA REPAIR                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.LEE,C.XU,G.CUI,J.R.THOMPSON,G.MER                                   
REVDAT   3   21-FEB-24 3PD7    1       SEQADV                                   
REVDAT   2   16-NOV-11 3PD7    1       VERSN  HETATM                            
REVDAT   1   08-DEC-10 3PD7    0                                                
SPRSDE     08-DEC-10 3PD7      3L3E                                             
JRNL        AUTH   J.LEE,C.XU,G.CUI,J.R.THOMPSON,G.MER                          
JRNL        TITL   CRYSTAL STRUCTURE OF THE SIXTH BRCT DOMAIN OF HUMAN TOPBP1   
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.26 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE: 1.6_289)                      
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 : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.26                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 25.32                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.370                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 51641                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.114                           
REMARK   3   R VALUE            (WORKING SET) : 0.114                           
REMARK   3   FREE R VALUE                     : 0.144                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 1.270                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 654                             
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 25.3274 -  2.1536    0.98    10497   129  0.1240 0.1378        
REMARK   3     2  2.1536 -  1.7095    0.99    10400   124  0.0831 0.1267        
REMARK   3     3  1.7095 -  1.4934    0.98    10225   128  0.0855 0.1304        
REMARK   3     4  1.4934 -  1.3569    0.97    10118   140  0.0958 0.1571        
REMARK   3     5  1.3569 -  1.2600    0.94     9747   133  0.1124 0.1575        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : 0.38                                          
REMARK   3   B_SOL              : 45.48                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.150            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL             
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 4.29750                                              
REMARK   3    B22 (A**2) : -4.84340                                             
REMARK   3    B33 (A**2) : 0.54590                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.84600                                              
REMARK   3    B23 (A**2) : 0.00000                                              
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      :  0.022           1745                                  
REMARK   3   ANGLE     :  1.893           2391                                  
REMARK   3   CHIRALITY :  0.115            254                                  
REMARK   3   PLANARITY :  0.013            318                                  
REMARK   3   DIHEDRAL  : 14.410            699                                  
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 3PD7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 26-OCT-10.                  
REMARK 100 THE DEPOSITION ID IS D_1000062234.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 10-FEB-06                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 19-BM                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0079                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 210R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 51641                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.260                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : 9.200                              
REMARK 200  R MERGE                    (I) : 0.03900                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 53.6000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.26                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.31                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 8.70                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.24200                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 8.400                              
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   (%): 39.29                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 4000, 0.2 M SODIUM ACETATE       
REMARK 280  TRIHYDRATE, 0.1 M TRIS-HCL, PH 6.6, VAPOR DIFFUSION, HANGING        
REMARK 280  DROP, TEMPERATURE 295K                                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
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: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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  29  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 145  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 162  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B  24  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B  72  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B 156  LIES ON A SPECIAL POSITION.                          
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     GLY A   890                                                      
REMARK 465     HIS A   891                                                      
REMARK 465     MET A   892                                                      
REMARK 465     GLU A   893                                                      
REMARK 465     ALA A   894                                                      
REMARK 465     GLN A   895                                                      
REMARK 465     SER A   896                                                      
REMARK 465     GLU A   897                                                      
REMARK 465     LYS A   898                                                      
REMARK 465     GLU A   899                                                      
REMARK 465     GLU A   900                                                      
REMARK 465     ALA A   901                                                      
REMARK 465     PRO A   902                                                      
REMARK 465     GLY B   890                                                      
REMARK 465     HIS B   891                                                      
REMARK 465     MET B   892                                                      
REMARK 465     GLU B   893                                                      
REMARK 465     ALA B   894                                                      
REMARK 465     GLN B   895                                                      
REMARK 465     SER B   896                                                      
REMARK 465     GLU B   897                                                      
REMARK 465     LYS B   898                                                      
REMARK 465     GLU B   899                                                      
REMARK 465     GLU B   900                                                      
REMARK 465     ALA B   901                                                      
REMARK 465     PRO B   902                                                      
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   OE2  GLU A   922    HH21  ARG B   936              1.40            
REMARK 500   HG2  LYS A   915     O    HOH A   173              1.53            
REMARK 500   HG2  LYS B   915     O    HOH B   158              1.55            
REMARK 500   O    HOH A   124     O    HOH A   174              1.84            
REMARK 500   O    HOH A   141     O    HOH B   145              1.84            
REMARK 500   O    HOH A   119     O    HOH B   167              1.86            
REMARK 500   O    HOH A   127     O    HOH A   171              1.87            
REMARK 500   O    HOH A   114     O    HOH A   155              2.00            
REMARK 500   O    HOH B    84     O    HOH B   163              2.09            
REMARK 500   O    HOH B   117     O    HOH B   171              2.14            
REMARK 500   CG   LYS B   915     O    HOH B   158              2.15            
REMARK 500   OG   SER A   996     O    HOH A   141              2.16            
REMARK 500   O    HOH B    87     O    HOH B    88              2.18            
REMARK 500   CG   LYS A   915     O    HOH A   173              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  HH21  ARG A   936     OE2  GLU B   922     1655     1.34            
REMARK 500   HE   ARG A   936     OE1  GLU B   922     1655     1.59            
REMARK 500   O    HOH A    24     O    HOH B   128     1655     1.66            
REMARK 500   O    HOH A   135     O    HOH B   128     1655     1.90            
REMARK 500   O    HOH A   131     O    HOH A   163     2656     2.00            
REMARK 500   O    HOH A   135     O    HOH B    98     1655     2.07            
REMARK 500   NH2  ARG A   936     OE2  GLU B   922     1655     2.17            
REMARK 500   O    HOH B   132     O    HOH B   143     2555     2.17            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    GLU A 980   CG    GLU A 980   CD     -0.091                       
REMARK 500    GLU B 980   CG    GLU B 980   CD     -0.092                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ASP A 933   CB  -  CG  -  OD2 ANGL. DEV. =  -6.1 DEGREES          
REMARK 500    ASP B 933   CB  -  CG  -  OD2 ANGL. DEV. =  -8.0 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  3PD7 A  893   994  UNP    Q92547   TOPB1_HUMAN    893    994             
DBREF  3PD7 B  893   994  UNP    Q92547   TOPB1_HUMAN    893    994             
SEQADV 3PD7 GLY A  890  UNP  Q92547              EXPRESSION TAG                 
SEQADV 3PD7 HIS A  891  UNP  Q92547              EXPRESSION TAG                 
SEQADV 3PD7 MET A  892  UNP  Q92547              EXPRESSION TAG                 
SEQADV 3PD7 ARG A  936  UNP  Q92547    TRP   936 ENGINEERED MUTATION            
SEQADV 3PD7 GLY A  995  UNP  Q92547              EXPRESSION TAG                 
SEQADV 3PD7 SER A  996  UNP  Q92547              EXPRESSION TAG                 
SEQADV 3PD7 GLY B  890  UNP  Q92547              EXPRESSION TAG                 
SEQADV 3PD7 HIS B  891  UNP  Q92547              EXPRESSION TAG                 
SEQADV 3PD7 MET B  892  UNP  Q92547              EXPRESSION TAG                 
SEQADV 3PD7 ARG B  936  UNP  Q92547    TRP   936 ENGINEERED MUTATION            
SEQADV 3PD7 GLY B  995  UNP  Q92547              EXPRESSION TAG                 
SEQADV 3PD7 SER B  996  UNP  Q92547              EXPRESSION TAG                 
SEQRES   1 A  107  GLY HIS MET GLU ALA GLN SER GLU LYS GLU GLU ALA PRO          
SEQRES   2 A  107  LYS PRO LEU HIS LYS VAL VAL VAL CYS VAL SER LYS LYS          
SEQRES   3 A  107  LEU SER LYS LYS GLN SER GLU LEU ASN GLY ILE ALA ALA          
SEQRES   4 A  107  SER LEU GLY ALA ASP TYR ARG ARG SER PHE ASP GLU THR          
SEQRES   5 A  107  VAL THR HIS PHE ILE TYR GLN GLY ARG PRO ASN ASP THR          
SEQRES   6 A  107  ASN ARG GLU TYR LYS SER VAL LYS GLU ARG GLY VAL HIS          
SEQRES   7 A  107  ILE VAL SER GLU HIS TRP LEU LEU ASP CYS ALA GLN GLU          
SEQRES   8 A  107  CYS LYS HIS LEU PRO GLU SER LEU TYR PRO HIS THR TYR          
SEQRES   9 A  107  ASN GLY SER                                                  
SEQRES   1 B  107  GLY HIS MET GLU ALA GLN SER GLU LYS GLU GLU ALA PRO          
SEQRES   2 B  107  LYS PRO LEU HIS LYS VAL VAL VAL CYS VAL SER LYS LYS          
SEQRES   3 B  107  LEU SER LYS LYS GLN SER GLU LEU ASN GLY ILE ALA ALA          
SEQRES   4 B  107  SER LEU GLY ALA ASP TYR ARG ARG SER PHE ASP GLU THR          
SEQRES   5 B  107  VAL THR HIS PHE ILE TYR GLN GLY ARG PRO ASN ASP THR          
SEQRES   6 B  107  ASN ARG GLU TYR LYS SER VAL LYS GLU ARG GLY VAL HIS          
SEQRES   7 B  107  ILE VAL SER GLU HIS TRP LEU LEU ASP CYS ALA GLN GLU          
SEQRES   8 B  107  CYS LYS HIS LEU PRO GLU SER LEU TYR PRO HIS THR TYR          
SEQRES   9 B  107  ASN GLY SER                                                  
FORMUL   3  HOH   *357(H2 O)                                                    
HELIX    1   1 LYS A  914  LYS A  918  5                                   5    
HELIX    2   2 LYS A  919  LEU A  930  1                                  12    
HELIX    3   3 ASN A  955  ARG A  964  1                                  10    
HELIX    4   4 SER A  970  CYS A  981  1                                  12    
HELIX    5   5 PRO A  985  TYR A  989  5                                   5    
HELIX    6   6 LYS B  914  LYS B  918  5                                   5    
HELIX    7   7 LYS B  919  LEU B  930  1                                  12    
HELIX    8   8 ASN B  955  ARG B  964  1                                  10    
HELIX    9   9 SER B  970  CYS B  981  1                                  12    
HELIX   10  10 PRO B  985  TYR B  989  5                                   5    
SHEET    1   A 4 ASP A 933  ARG A 935  0                                        
SHEET    2   A 4 VAL A 909  VAL A 912  1  N  VAL A 910   O  ASP A 933           
SHEET    3   A 4 HIS A 944  ILE A 946  1  O  ILE A 946   N  CYS A 911           
SHEET    4   A 4 HIS A 967  VAL A 969  1  O  HIS A 967   N  PHE A 945           
SHEET    1   B 4 ASP B 933  ARG B 935  0                                        
SHEET    2   B 4 VAL B 909  VAL B 912  1  N  VAL B 910   O  ASP B 933           
SHEET    3   B 4 HIS B 944  ILE B 946  1  O  ILE B 946   N  CYS B 911           
SHEET    4   B 4 HIS B 967  VAL B 969  1  O  HIS B 967   N  PHE B 945           
CRYST1   32.877   37.911   79.430  90.00  89.99  90.00 P 1 2 1       4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.030416  0.000000 -0.000005        0.00000                         
SCALE2      0.000000  0.026378  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012590        0.00000