PDB Short entry for 6BOR
HEADER    DNA BINDING PROTEIN/DNA                 20-NOV-17   6BOR              
TITLE     HUMAN APE1 SUBSTRATE COMPLEX WITH AN G/G MISMATCH ADJACENT THE THF    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DNA-(APURINIC OR APYRIMIDINIC SITE) LYASE;                 
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: APEX NUCLEASE,APEN,APURINIC-APYRIMIDINIC ENDONUCLEASE 1,APE-
COMPND   5 1,REF-1,REDOX FACTOR-1;                                              
COMPND   6 EC: 3.1.-.-,4.2.99.18;                                               
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES;                                                       
COMPND   9 MOL_ID: 2;                                                           
COMPND  10 MOLECULE: 21-MER DNA;                                                
COMPND  11 CHAIN: P;                                                            
COMPND  12 ENGINEERED: YES;                                                     
COMPND  13 MOL_ID: 3;                                                           
COMPND  14 MOLECULE: 21-MER DNA;                                                
COMPND  15 CHAIN: V;                                                            
COMPND  16 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: APEX1, APE, APE1, APEX, APX, HAP1, REF1;                       
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 MOL_ID: 2;                                                           
SOURCE   9 SYNTHETIC: YES;                                                      
SOURCE  10 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT;                            
SOURCE  11 ORGANISM_TAXID: 32630;                                               
SOURCE  12 MOL_ID: 3;                                                           
SOURCE  13 SYNTHETIC: YES;                                                      
SOURCE  14 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT;                            
SOURCE  15 ORGANISM_TAXID: 32630                                                
KEYWDS    HYDROLASE LYASE / DNA, DNA BINDING PROTEIN, DNA BINDING PROTEIN-DNA   
KEYWDS   2 COMPLEX                                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.D.FREUDENTHAL,A.M.WHITAKER,M.S.FAIRLAMB                             
REVDAT   4   04-OCT-23 6BOR    1       REMARK                                   
REVDAT   3   18-DEC-19 6BOR    1       REMARK                                   
REVDAT   2   20-FEB-19 6BOR    1       REMARK                                   
REVDAT   1   15-AUG-18 6BOR    0                                                
JRNL        AUTH   M.S.FAIRLAMB,A.M.WHITAKER,B.D.FREUDENTHAL                    
JRNL        TITL   APURINIC/APYRIMIDINIC (AP) ENDONUCLEASE 1 PROCESSING OF AP   
JRNL        TITL 2 SITES WITH 5' MISMATCHES.                                    
JRNL        REF    ACTA CRYSTALLOGR D STRUCT     V.  74   760 2018              
JRNL        REF  2 BIOL                                                         
JRNL        REFN                   ISSN 2059-7983                               
JRNL        PMID   30082511                                                     
JRNL        DOI    10.1107/S2059798318003340                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.84 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.10_2155                                     
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 : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.84                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 24.81                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.960                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 89.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 115113                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.172                           
REMARK   3   R VALUE            (WORKING SET) : 0.170                           
REMARK   3   FREE R VALUE                     : 0.209                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 3.150                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 3621                            
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 24.8128 -  5.4326    0.98     4711   154  0.1414 0.1530        
REMARK   3     2  5.4326 -  4.3194    0.99     4718   155  0.1288 0.1501        
REMARK   3     3  4.3194 -  3.7756    0.98     4703   150  0.1350 0.1735        
REMARK   3     4  3.7756 -  3.4313    0.98     4677   154  0.1468 0.1892        
REMARK   3     5  3.4313 -  3.1859    0.98     4683   154  0.1516 0.1666        
REMARK   3     6  3.1859 -  2.9984    0.98     4668   149  0.1741 0.1945        
REMARK   3     7  2.9984 -  2.8485    0.97     4649   150  0.1833 0.2193        
REMARK   3     8  2.8485 -  2.7247    0.97     4659   150  0.1727 0.2094        
REMARK   3     9  2.7247 -  2.6199    0.96     4562   149  0.1740 0.2460        
REMARK   3    10  2.6199 -  2.5296    0.96     4664   150  0.1770 0.2235        
REMARK   3    11  2.5296 -  2.4506    0.95     4499   149  0.1748 0.2564        
REMARK   3    12  2.4506 -  2.3806    0.94     4531   144  0.1860 0.2619        
REMARK   3    13  2.3806 -  2.3179    0.93     4332   138  0.1806 0.2533        
REMARK   3    14  2.3179 -  2.2614    0.91     4464   147  0.1890 0.2380        
REMARK   3    15  2.2614 -  2.2101    0.90     4228   136  0.1820 0.2347        
REMARK   3    16  2.2101 -  2.1630    0.89     4299   139  0.1938 0.2804        
REMARK   3    17  2.1630 -  2.1198    0.88     4138   139  0.1939 0.2506        
REMARK   3    18  2.1198 -  2.0798    0.87     4118   130  0.2040 0.2974        
REMARK   3    19  2.0798 -  2.0427    0.83     4009   133  0.2096 0.2509        
REMARK   3    20  2.0427 -  2.0081    0.83     3937   122  0.2103 0.2305        
REMARK   3    21  2.0081 -  1.9757    0.82     4030   127  0.2136 0.2465        
REMARK   3    22  1.9757 -  1.9453    0.81     3817   124  0.2186 0.2849        
REMARK   3    23  1.9453 -  1.9167    0.79     3751   126  0.2225 0.2639        
REMARK   3    24  1.9167 -  1.8897    0.77     3720   126  0.2398 0.2677        
REMARK   3    25  1.8897 -  1.8642    0.76     3581   120  0.2698 0.2830        
REMARK   3    26  1.8642 -  1.8400    0.70     3344   106  0.2929 0.3092        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : NULL                                          
REMARK   3   SOLVENT RADIUS     : 1.11                                          
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)     : 0.210            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.390           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 18.07                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 22.24                          
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      :  0.015           5398                                  
REMARK   3   ANGLE     :  1.448           7502                                  
REMARK   3   CHIRALITY :  0.082            809                                  
REMARK   3   PLANARITY :  0.009            820                                  
REMARK   3   DIHEDRAL  : 19.181           3079                                  
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 6BOR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-NOV-17.                  
REMARK 100 THE DEPOSITION ID IS D_1000231121.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 17-FEB-16                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU MICROMAX-007                
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.54                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS 200K               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 115113                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.840                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.4                               
REMARK 200  DATA REDUNDANCY                : 4.200                              
REMARK 200  R MERGE                    (I) : 0.08300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.7000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.88                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.20                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.50500                            
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: NULL                                                  
REMARK 200 STARTING MODEL: 5DFF                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.88                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.27                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 7% PEG 20K, 100MM SODIUM CITRATE, 15%    
REMARK 280  GLYCEROL, 5MM CACL2, PH 5.0, VAPOR DIFFUSION, SITTING DROP,         
REMARK 280  TEMPERATURE 291K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   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                                                                      
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: TRIMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 5610 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 17560 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -20.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, P, V                               
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 TOTAL BURIED SURFACE AREA: 240 ANGSTROM**2                           
REMARK 350 SURFACE AREA OF THE COMPLEX: 11940 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 5.0 KCAL/MOL                          
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 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     1                                                      
REMARK 465     PRO A     2                                                      
REMARK 465     LYS A     3                                                      
REMARK 465     ARG A     4                                                      
REMARK 465     GLY A     5                                                      
REMARK 465     LYS A     6                                                      
REMARK 465     LYS A     7                                                      
REMARK 465     GLY A     8                                                      
REMARK 465     ALA A     9                                                      
REMARK 465     VAL A    10                                                      
REMARK 465     ALA A    11                                                      
REMARK 465     GLU A    12                                                      
REMARK 465     ASP A    13                                                      
REMARK 465     GLY A    14                                                      
REMARK 465     ASP A    15                                                      
REMARK 465     GLU A    16                                                      
REMARK 465     LEU A    17                                                      
REMARK 465     ARG A    18                                                      
REMARK 465     THR A    19                                                      
REMARK 465     GLU A    20                                                      
REMARK 465     PRO A    21                                                      
REMARK 465     GLU A    22                                                      
REMARK 465     ALA A    23                                                      
REMARK 465     LYS A    24                                                      
REMARK 465     LYS A    25                                                      
REMARK 465     SER A    26                                                      
REMARK 465     LYS A    27                                                      
REMARK 465     THR A    28                                                      
REMARK 465     ALA A    29                                                      
REMARK 465     ALA A    30                                                      
REMARK 465     LYS A    31                                                      
REMARK 465     LYS A    32                                                      
REMARK 465     ASN A    33                                                      
REMARK 465     ASP A    34                                                      
REMARK 465     LYS A    35                                                      
REMARK 465     GLU A    36                                                      
REMARK 465     ALA A    37                                                      
REMARK 465     ALA A    38                                                      
REMARK 465     GLY A    39                                                      
REMARK 465     GLU A    40                                                      
REMARK 465     GLY A    41                                                      
REMARK 465     PRO A    42                                                      
REMARK 465     MET B     1                                                      
REMARK 465     PRO B     2                                                      
REMARK 465     LYS B     3                                                      
REMARK 465     ARG B     4                                                      
REMARK 465     GLY B     5                                                      
REMARK 465     LYS B     6                                                      
REMARK 465     LYS B     7                                                      
REMARK 465     GLY B     8                                                      
REMARK 465     ALA B     9                                                      
REMARK 465     VAL B    10                                                      
REMARK 465     ALA B    11                                                      
REMARK 465     GLU B    12                                                      
REMARK 465     ASP B    13                                                      
REMARK 465     GLY B    14                                                      
REMARK 465     ASP B    15                                                      
REMARK 465     GLU B    16                                                      
REMARK 465     LEU B    17                                                      
REMARK 465     ARG B    18                                                      
REMARK 465     THR B    19                                                      
REMARK 465     GLU B    20                                                      
REMARK 465     PRO B    21                                                      
REMARK 465     GLU B    22                                                      
REMARK 465     ALA B    23                                                      
REMARK 465     LYS B    24                                                      
REMARK 465     LYS B    25                                                      
REMARK 465     SER B    26                                                      
REMARK 465     LYS B    27                                                      
REMARK 465     THR B    28                                                      
REMARK 465     ALA B    29                                                      
REMARK 465     ALA B    30                                                      
REMARK 465     LYS B    31                                                      
REMARK 465     LYS B    32                                                      
REMARK 465     ASN B    33                                                      
REMARK 465     ASP B    34                                                      
REMARK 465     LYS B    35                                                      
REMARK 465     GLU B    36                                                      
REMARK 465     ALA B    37                                                      
REMARK 465     ALA B    38                                                      
REMARK 465     GLY B    39                                                      
REMARK 465     GLU B    40                                                      
REMARK 465     GLY B    41                                                      
REMARK 465     PRO B    42                                                      
REMARK 465     SER B   123                                                      
REMARK 465     ASP B   124                                                      
REMARK 465     LYS B   125                                                      
REMARK 465     GLU B   126                                                      
REMARK 465     GLY B   127                                                      
REMARK 465     GLU B   149                                                      
REMARK 465     GLU B   150                                                      
REMARK 465     HIS B   151                                                      
REMARK 465     ASP B   152                                                      
REMARK 465     GLN B   153                                                      
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     ASP A 124    CG   OD1  OD2                                       
REMARK 470     LYS A 125    CG   CD   CE   NZ                                   
REMARK 470     GLU A 126    CG   CD   OE1  OE2                                  
REMARK 470     ARG A 177    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A 224    CG   CD   CE   NZ                                   
REMARK 470     TYR B 128    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     LYS B 224    CG   CD   CE   NZ                                   
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     DC P  12   O3'    DC P  12   C3'    -0.042                       
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     DG P   4   O4' -  C1' -  N9  ANGL. DEV. =   2.3 DEGREES          
REMARK 500     DG V   1   O4' -  C1' -  N9  ANGL. DEV. =   2.8 DEGREES          
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    LYS A 125       58.56    -92.54                                   
REMARK 500    SER A 129     -140.87     46.43                                   
REMARK 500    SER A 129     -138.74     42.31                                   
REMARK 500    ASP A 148       35.50   -141.37                                   
REMARK 500    PHE A 232       25.61   -141.56                                   
REMARK 500    GLU B 110       37.16    -96.84                                   
REMARK 500    SER B 129     -149.46   -126.20                                   
REMARK 500    ASN B 222       64.26   -118.87                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A 767        DISTANCE =  6.65 ANGSTROMS                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue EDO A 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue EDO A 402                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue EDO A 403                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue CL A 404                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue EDO B 401                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 6BOQ   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6BOS   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6BOT   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6BOU   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6BOV   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6BOW   RELATED DB: PDB                                   
DBREF  6BOR A    1   318  UNP    P27695   APEX1_HUMAN      1    318             
DBREF  6BOR B    1   318  UNP    P27695   APEX1_HUMAN      1    318             
DBREF  6BOR P    1    21  PDB    6BOR     6BOR             1     21             
DBREF  6BOR V    1    21  PDB    6BOR     6BOR             1     21             
SEQADV 6BOR GLN A   96  UNP  P27695    GLU    96 ENGINEERED MUTATION            
SEQADV 6BOR ASN A  210  UNP  P27695    ASP   210 ENGINEERED MUTATION            
SEQADV 6BOR GLN B   96  UNP  P27695    GLU    96 ENGINEERED MUTATION            
SEQADV 6BOR ASN B  210  UNP  P27695    ASP   210 ENGINEERED MUTATION            
SEQRES   1 A  318  MET PRO LYS ARG GLY LYS LYS GLY ALA VAL ALA GLU ASP          
SEQRES   2 A  318  GLY ASP GLU LEU ARG THR GLU PRO GLU ALA LYS LYS SER          
SEQRES   3 A  318  LYS THR ALA ALA LYS LYS ASN ASP LYS GLU ALA ALA GLY          
SEQRES   4 A  318  GLU GLY PRO ALA LEU TYR GLU ASP PRO PRO ASP GLN LYS          
SEQRES   5 A  318  THR SER PRO SER GLY LYS PRO ALA THR LEU LYS ILE CYS          
SEQRES   6 A  318  SER TRP ASN VAL ASP GLY LEU ARG ALA TRP ILE LYS LYS          
SEQRES   7 A  318  LYS GLY LEU ASP TRP VAL LYS GLU GLU ALA PRO ASP ILE          
SEQRES   8 A  318  LEU CYS LEU GLN GLN THR LYS CYS SER GLU ASN LYS LEU          
SEQRES   9 A  318  PRO ALA GLU LEU GLN GLU LEU PRO GLY LEU SER HIS GLN          
SEQRES  10 A  318  TYR TRP SER ALA PRO SER ASP LYS GLU GLY TYR SER GLY          
SEQRES  11 A  318  VAL GLY LEU LEU SER ARG GLN CYS PRO LEU LYS VAL SER          
SEQRES  12 A  318  TYR GLY ILE GLY ASP GLU GLU HIS ASP GLN GLU GLY ARG          
SEQRES  13 A  318  VAL ILE VAL ALA GLU PHE ASP SER PHE VAL LEU VAL THR          
SEQRES  14 A  318  ALA TYR VAL PRO ASN ALA GLY ARG GLY LEU VAL ARG LEU          
SEQRES  15 A  318  GLU TYR ARG GLN ARG TRP ASP GLU ALA PHE ARG LYS PHE          
SEQRES  16 A  318  LEU LYS GLY LEU ALA SER ARG LYS PRO LEU VAL LEU CYS          
SEQRES  17 A  318  GLY ASN LEU ASN VAL ALA HIS GLU GLU ILE ASP LEU ARG          
SEQRES  18 A  318  ASN PRO LYS GLY ASN LYS LYS ASN ALA GLY PHE THR PRO          
SEQRES  19 A  318  GLN GLU ARG GLN GLY PHE GLY GLU LEU LEU GLN ALA VAL          
SEQRES  20 A  318  PRO LEU ALA ASP SER PHE ARG HIS LEU TYR PRO ASN THR          
SEQRES  21 A  318  PRO TYR ALA TYR THR PHE TRP THR TYR MET MET ASN ALA          
SEQRES  22 A  318  ARG SER LYS ASN VAL GLY TRP ARG LEU ASP TYR PHE LEU          
SEQRES  23 A  318  LEU SER HIS SER LEU LEU PRO ALA LEU CYS ASP SER LYS          
SEQRES  24 A  318  ILE ARG SER LYS ALA LEU GLY SER ASP HIS CYS PRO ILE          
SEQRES  25 A  318  THR LEU TYR LEU ALA LEU                                      
SEQRES   1 B  318  MET PRO LYS ARG GLY LYS LYS GLY ALA VAL ALA GLU ASP          
SEQRES   2 B  318  GLY ASP GLU LEU ARG THR GLU PRO GLU ALA LYS LYS SER          
SEQRES   3 B  318  LYS THR ALA ALA LYS LYS ASN ASP LYS GLU ALA ALA GLY          
SEQRES   4 B  318  GLU GLY PRO ALA LEU TYR GLU ASP PRO PRO ASP GLN LYS          
SEQRES   5 B  318  THR SER PRO SER GLY LYS PRO ALA THR LEU LYS ILE CYS          
SEQRES   6 B  318  SER TRP ASN VAL ASP GLY LEU ARG ALA TRP ILE LYS LYS          
SEQRES   7 B  318  LYS GLY LEU ASP TRP VAL LYS GLU GLU ALA PRO ASP ILE          
SEQRES   8 B  318  LEU CYS LEU GLN GLN THR LYS CYS SER GLU ASN LYS LEU          
SEQRES   9 B  318  PRO ALA GLU LEU GLN GLU LEU PRO GLY LEU SER HIS GLN          
SEQRES  10 B  318  TYR TRP SER ALA PRO SER ASP LYS GLU GLY TYR SER GLY          
SEQRES  11 B  318  VAL GLY LEU LEU SER ARG GLN CYS PRO LEU LYS VAL SER          
SEQRES  12 B  318  TYR GLY ILE GLY ASP GLU GLU HIS ASP GLN GLU GLY ARG          
SEQRES  13 B  318  VAL ILE VAL ALA GLU PHE ASP SER PHE VAL LEU VAL THR          
SEQRES  14 B  318  ALA TYR VAL PRO ASN ALA GLY ARG GLY LEU VAL ARG LEU          
SEQRES  15 B  318  GLU TYR ARG GLN ARG TRP ASP GLU ALA PHE ARG LYS PHE          
SEQRES  16 B  318  LEU LYS GLY LEU ALA SER ARG LYS PRO LEU VAL LEU CYS          
SEQRES  17 B  318  GLY ASN LEU ASN VAL ALA HIS GLU GLU ILE ASP LEU ARG          
SEQRES  18 B  318  ASN PRO LYS GLY ASN LYS LYS ASN ALA GLY PHE THR PRO          
SEQRES  19 B  318  GLN GLU ARG GLN GLY PHE GLY GLU LEU LEU GLN ALA VAL          
SEQRES  20 B  318  PRO LEU ALA ASP SER PHE ARG HIS LEU TYR PRO ASN THR          
SEQRES  21 B  318  PRO TYR ALA TYR THR PHE TRP THR TYR MET MET ASN ALA          
SEQRES  22 B  318  ARG SER LYS ASN VAL GLY TRP ARG LEU ASP TYR PHE LEU          
SEQRES  23 B  318  LEU SER HIS SER LEU LEU PRO ALA LEU CYS ASP SER LYS          
SEQRES  24 B  318  ILE ARG SER LYS ALA LEU GLY SER ASP HIS CYS PRO ILE          
SEQRES  25 B  318  THR LEU TYR LEU ALA LEU                                      
SEQRES   1 P   21   DG  DC  DT  DG  DA  DT  DG  DC  DG  DG 3DR  DC  DG          
SEQRES   2 P   21   DA  DC  DG  DG  DA  DT  DC  DC                              
SEQRES   1 V   21   DG  DG  DA  DT  DC  DC  DG  DT  DC  DG  DA  DG  DC          
SEQRES   2 V   21   DG  DC  DA  DT  DC  DA  DG  DC                              
HET    3DR  P  11      11                                                       
HET    EDO  A 401       4                                                       
HET    EDO  A 402       4                                                       
HET    EDO  A 403       4                                                       
HET     CL  A 404       1                                                       
HET    EDO  B 401       4                                                       
HETNAM     3DR 1',2'-DIDEOXYRIBOFURANOSE-5'-PHOSPHATE                           
HETNAM     EDO 1,2-ETHANEDIOL                                                   
HETNAM      CL CHLORIDE ION                                                     
HETSYN     3DR ABASIC DIDEOXYRIBOSE                                             
HETSYN     EDO ETHYLENE GLYCOL                                                  
FORMUL   3  3DR    C5 H11 O6 P                                                  
FORMUL   5  EDO    4(C2 H6 O2)                                                  
FORMUL   8   CL    CL 1-                                                        
FORMUL  10  HOH   *564(H2 O)                                                    
HELIX    1 AA1 GLY A   71  LYS A   78  1                                   8    
HELIX    2 AA2 LYS A   79  ALA A   88  1                                  10    
HELIX    3 AA3 SER A  100  LEU A  104  5                                   5    
HELIX    4 AA4 PRO A  105  LEU A  111  5                                   7    
HELIX    5 AA5 GLY A  176  VAL A  180  5                                   5    
HELIX    6 AA6 ARG A  181  SER A  201  1                                  21    
HELIX    7 AA7 GLU A  216  LEU A  220  5                                   5    
HELIX    8 AA8 PRO A  223  LYS A  227  5                                   5    
HELIX    9 AA9 THR A  233  VAL A  247  1                                  15    
HELIX   10 AB1 SER A  252  TYR A  257  1                                   6    
HELIX   11 AB2 TYR A  269  ASN A  277  5                                   9    
HELIX   12 AB3 HIS A  289  PRO A  293  5                                   5    
HELIX   13 AB4 GLY B   71  LYS B   78  1                                   8    
HELIX   14 AB5 LYS B   79  ALA B   88  1                                  10    
HELIX   15 AB6 SER B  100  LEU B  104  5                                   5    
HELIX   16 AB7 PRO B  105  SER B  115  5                                  11    
HELIX   17 AB8 GLY B  176  VAL B  180  5                                   5    
HELIX   18 AB9 ARG B  181  SER B  201  1                                  21    
HELIX   19 AC1 GLU B  216  LEU B  220  5                                   5    
HELIX   20 AC2 PRO B  223  LYS B  227  5                                   5    
HELIX   21 AC3 THR B  233  VAL B  247  1                                  15    
HELIX   22 AC4 SER B  252  TYR B  257  1                                   6    
HELIX   23 AC5 TYR B  269  ALA B  273  5                                   5    
HELIX   24 AC6 HIS B  289  PRO B  293  5                                   5    
SHEET    1 AA1 6 HIS A 116  SER A 120  0                                        
SHEET    2 AA1 6 VAL A 131  SER A 135 -1  O  LEU A 133   N  TYR A 118           
SHEET    3 AA1 6 ILE A  91  GLN A  95 -1  N  LEU A  92   O  LEU A 134           
SHEET    4 AA1 6 LEU A  62  ASN A  68  1  N  CYS A  65   O  CYS A  93           
SHEET    5 AA1 6 ILE A 312  LEU A 316 -1  O  LEU A 314   N  ILE A  64           
SHEET    6 AA1 6 LEU A 295  ILE A 300 -1  N  LYS A 299   O  THR A 313           
SHEET    1 AA2 6 LYS A 141  TYR A 144  0                                        
SHEET    2 AA2 6 VAL A 157  GLU A 161 -1  O  VAL A 159   N  SER A 143           
SHEET    3 AA2 6 VAL A 166  TYR A 171 -1  O  LEU A 167   N  ALA A 160           
SHEET    4 AA2 6 LEU A 205  ASN A 210  1  O  CYS A 208   N  VAL A 168           
SHEET    5 AA2 6 ASP A 283  LEU A 287 -1  O  LEU A 286   N  LEU A 207           
SHEET    6 AA2 6 ALA A 250  ASP A 251 -1  N  ALA A 250   O  LEU A 287           
SHEET    1 AA3 6 HIS B 116  SER B 120  0                                        
SHEET    2 AA3 6 VAL B 131  SER B 135 -1  O  LEU B 133   N  TYR B 118           
SHEET    3 AA3 6 ILE B  91  GLN B  95 -1  N  LEU B  92   O  LEU B 134           
SHEET    4 AA3 6 LEU B  62  ASN B  68  1  N  CYS B  65   O  ILE B  91           
SHEET    5 AA3 6 ILE B 312  LEU B 316 -1  O  LEU B 314   N  ILE B  64           
SHEET    6 AA3 6 LEU B 295  ILE B 300 -1  N  LYS B 299   O  THR B 313           
SHEET    1 AA4 6 LYS B 141  TYR B 144  0                                        
SHEET    2 AA4 6 VAL B 157  GLU B 161 -1  O  GLU B 161   N  LYS B 141           
SHEET    3 AA4 6 VAL B 166  TYR B 171 -1  O  LEU B 167   N  ALA B 160           
SHEET    4 AA4 6 LEU B 205  ASN B 210  1  O  VAL B 206   N  VAL B 168           
SHEET    5 AA4 6 ASP B 283  LEU B 287 -1  O  LEU B 286   N  LEU B 207           
SHEET    6 AA4 6 ALA B 250  ASP B 251 -1  N  ALA B 250   O  LEU B 287           
LINK         O3'  DG P  10                 P   3DR P  11     1555   1555  1.59  
LINK         O3' 3DR P  11                 P    DC P  12     1555   1555  1.59  
CISPEP   1 VAL A  247    PRO A  248          0        -6.27                     
CISPEP   2 VAL B  247    PRO B  248          0        -6.23                     
SITE     1 AC1  4 ASP A 189  PHE A 192  PHE A 240  HOH A 552                    
SITE     1 AC2  8 LYS A  63  GLU A  86  GLU A  87  GLY A 178                    
SITE     2 AC2  8 LEU A 179  HOH A 517  HOH A 541  HOH A 655                    
SITE     1 AC3  7 LEU A  44  TYR A  45  ASN A 277  HOH A 509                    
SITE     2 AC3  7 HOH A 548  HOH A 612  HOH A 641                               
SITE     1 AC4  4 GLN A  96  SER A 129  TYR A 171   DG P  10                    
SITE     1 AC5  6 ASP B 189  PHE B 192  GLY B 239  PHE B 240                    
SITE     2 AC5  6 HOH B 534  HOH B 618                                          
CRYST1   44.408   60.204   73.014  82.94  80.29  89.10 P 1           2          
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      0.022518 -0.000353 -0.003838        0.00000                         
SCALE2      0.000000  0.016612 -0.002043        0.00000                         
SCALE3      0.000000  0.000000  0.014000        0.00000