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Database: PDB
Entry: 6BOW
LinkDB: 6BOW
Original site: 6BOW 
HEADER    DNA BINDING PROTEIN/DNA                 20-NOV-17   6BOW              
TITLE     HUMAN APE1 SUBSTRATE COMPLEX WITH AN T/T 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 6BOW    1       REMARK                                   
REVDAT   3   18-DEC-19 6BOW    1       REMARK                                   
REVDAT   2   20-FEB-19 6BOW    1       REMARK                                   
REVDAT   1   15-AUG-18 6BOW    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.    1.59 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 : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.59                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 24.56                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.960                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 95.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 190771                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.214                           
REMARK   3   R VALUE            (WORKING SET) : 0.214                           
REMARK   3   FREE R VALUE                     : 0.241                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 2.020                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 3847                            
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 24.5643 -  4.7612    0.99     7223   149  0.1591 0.1776        
REMARK   3     2  4.7612 -  3.7836    0.99     7222   147  0.1513 0.1789        
REMARK   3     3  3.7836 -  3.3066    0.99     7217   152  0.1725 0.1630        
REMARK   3     4  3.3066 -  3.0048    0.98     7146   146  0.1960 0.2478        
REMARK   3     5  3.0048 -  2.7898    0.97     7020   146  0.2177 0.2535        
REMARK   3     6  2.7898 -  2.6255    0.97     7069   147  0.2159 0.2090        
REMARK   3     7  2.6255 -  2.4942    0.97     7055   145  0.2345 0.3165        
REMARK   3     8  2.4942 -  2.3857    0.97     7110   144  0.2462 0.2830        
REMARK   3     9  2.3857 -  2.2939    0.97     7034   148  0.2542 0.3054        
REMARK   3    10  2.2939 -  2.2148    0.96     6921   141  0.2423 0.3263        
REMARK   3    11  2.2148 -  2.1456    0.98     7198   152  0.2428 0.2366        
REMARK   3    12  2.1456 -  2.0843    0.98     7172   150  0.2324 0.2348        
REMARK   3    13  2.0843 -  2.0294    0.97     7013   142  0.2359 0.2317        
REMARK   3    14  2.0294 -  1.9800    0.98     7129   144  0.2660 0.3283        
REMARK   3    15  1.9800 -  1.9350    0.96     6964   137  0.2838 0.3282        
REMARK   3    16  1.9350 -  1.8938    0.95     6998   148  0.2764 0.3406        
REMARK   3    17  1.8938 -  1.8559    0.93     6782   139  0.3338 0.3555        
REMARK   3    18  1.8559 -  1.8209    0.96     6989   145  0.3406 0.3385        
REMARK   3    19  1.8209 -  1.7884    0.96     6970   143  0.3258 0.3324        
REMARK   3    20  1.7884 -  1.7581    0.94     6844   136  0.3125 0.3988        
REMARK   3    21  1.7581 -  1.7298    0.95     6996   147  0.3152 0.3805        
REMARK   3    22  1.7298 -  1.7031    0.94     6747   136  0.3070 0.2969        
REMARK   3    23  1.7031 -  1.6781    0.93     6892   142  0.3076 0.3143        
REMARK   3    24  1.6781 -  1.6545    0.93     6668   137  0.3023 0.3379        
REMARK   3    25  1.6545 -  1.6321    0.92     6735   142  0.3017 0.2780        
REMARK   3    26  1.6321 -  1.6109    0.90     6632   135  0.3155 0.3294        
REMARK   3    27  1.6109 -  1.5908    0.71     5178   107  0.3285 0.4033        
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              : 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) : 30.370           
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) : 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      :  0.012           5313                                  
REMARK   3   ANGLE     :  1.273           7380                                  
REMARK   3   CHIRALITY :  0.069            801                                  
REMARK   3   PLANARITY :  0.009            801                                  
REMARK   3   DIHEDRAL  : 19.481           3043                                  
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 6BOW 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_1000231178.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 18-AUG-17                          
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   : 190771                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.591                              
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     (%) : 99.3                               
REMARK 200  DATA REDUNDANCY                : 4.000                              
REMARK 200  R MERGE                    (I) : 0.06300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 22.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.63                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.80                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.50800                            
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   (%): 46.50                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30                     
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: 4310 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 17670 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -23.0 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: 0 ANGSTROM**2                             
REMARK 350 SURFACE AREA OF THE COMPLEX: 12110 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 0.0 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     ASP A   124                                                      
REMARK 465     LYS A   125                                                      
REMARK 465     GLU A   126                                                      
REMARK 465     GLY A   147                                                      
REMARK 465     ASP A   148                                                      
REMARK 465     GLU A   149                                                      
REMARK 465     GLU A   150                                                      
REMARK 465     HIS A   151                                                      
REMARK 465     ASP A   152                                                      
REMARK 465     GLN A   153                                                      
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     ASP B   124                                                      
REMARK 465     LYS B   125                                                      
REMARK 465     GLU B   126                                                      
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     TYR A 128    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     GLU A 154    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 197    CG   CD   CE   NZ                                   
REMARK 470     ARG A 202    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A 227    CG   CD   CE   NZ                                   
REMARK 470     GLN B  51    CD   OE1  NE2                                       
REMARK 470     LYS B  58    CG   CD   CE   NZ                                   
REMARK 470     GLN B 109    CG   CD   OE1  NE2                                  
REMARK 470     ASP B 148    CG   OD1  OD2                                       
REMARK 470     GLU B 154    CG   CD   OE1  OE2                                  
REMARK 470     ARG B 187    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ARG B 202    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS B 203    CG   CD   CE   NZ                                   
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   OP2  DV3 P    11     O    HOH P   101              2.10            
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     DC V  13   O3'    DC V  13   C3'    -0.049                       
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     DT P  10   C3' -  O3' -  P   ANGL. DEV. =   9.1 DEGREES          
REMARK 500     DT P  10   C3' -  O3' -  P   ANGL. DEV. = -12.9 DEGREES          
REMARK 500    DV3 P  11   O3' -  P   -  O5' ANGL. DEV. =  15.8 DEGREES          
REMARK 500    DV3 P  11   C3' -  O3' -  P   ANGL. DEV. =  26.4 DEGREES          
REMARK 500     DC P  12   O4' -  C1' -  N1  ANGL. DEV. =   1.8 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    SER A 129     -141.63     66.82                                   
REMARK 500    PHE A 232       25.25   -141.90                                   
REMARK 500    LEU B 114       55.37   -141.58                                   
REMARK 500    SER B 129     -158.45   -152.17                                   
REMARK 500    ASP B 163      -70.93    -47.46                                   
REMARK 500    ASN B 222       63.49   -117.57                                   
REMARK 500    PHE B 232       19.51   -143.44                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  6BOW A    1   318  UNP    P27695   APEX1_HUMAN      1    318             
DBREF  6BOW B    1   318  UNP    P27695   APEX1_HUMAN      1    318             
DBREF  6BOW P    1    21  PDB    6BOW     6BOW             1     21             
DBREF  6BOW V    1    21  PDB    6BOW     6BOW             1     21             
SEQADV 6BOW ALA A  138  UNP  P27695    CYS   138 ENGINEERED MUTATION            
SEQADV 6BOW ALA B  138  UNP  P27695    CYS   138 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 GLU 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 ALA 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 ASP 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 GLU 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 ALA 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 ASP 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  DT DV3  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  DT  DC          
SEQRES   2 V   21   DG  DC  DA  DT  DC  DA  DG  DC                              
HET    DV3  P  11      22                                                       
HETNAM     DV3 1,4-ANHYDRO-2-DEOXY-5-O-THIOPHOSPHONO-D-ERYTHRO-                 
HETNAM   2 DV3  PENTITOL                                                        
FORMUL   3  DV3    C5 H11 O5 P S                                                
FORMUL   5  HOH   *524(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  GLU A  110  5                                   6    
HELIX    5 AA5 LEU A  111  SER A  115  5                                   5    
HELIX    6 AA6 GLY A  176  VAL A  180  5                                   5    
HELIX    7 AA7 ARG A  181  GLY A  198  1                                  18    
HELIX    8 AA8 GLU A  216  LEU A  220  5                                   5    
HELIX    9 AA9 PRO A  223  LYS A  227  5                                   5    
HELIX   10 AB1 THR A  233  VAL A  247  1                                  15    
HELIX   11 AB2 SER A  252  TYR A  257  1                                   6    
HELIX   12 AB3 TYR A  269  ASN A  277  5                                   9    
HELIX   13 AB4 HIS A  289  PRO A  293  5                                   5    
HELIX   14 AB5 GLY B   71  LYS B   78  1                                   8    
HELIX   15 AB6 LYS B   79  ALA B   88  1                                  10    
HELIX   16 AB7 SER B  100  LEU B  104  5                                   5    
HELIX   17 AB8 PRO B  105  SER B  115  5                                  11    
HELIX   18 AB9 GLY B  176  VAL B  180  5                                   5    
HELIX   19 AC1 ARG B  181  SER B  201  1                                  21    
HELIX   20 AC2 GLU B  216  LEU B  220  5                                   5    
HELIX   21 AC3 PRO B  223  LYS B  227  5                                   5    
HELIX   22 AC4 THR B  233  VAL B  247  1                                  15    
HELIX   23 AC5 SER B  252  TYR B  257  1                                   6    
HELIX   24 AC6 ASN B  272  ASN B  277  1                                   6    
HELIX   25 AC7 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  VAL A 131   N  SER A 120           
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  ASP 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  SER B 135   N  HIS B 116           
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  VAL B 159   N  SER B 143           
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  ASP 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'  DT P  10                 P  ADV3 P  11     1555   1555  1.55  
LINK         O3'  DT P  10                 P  BDV3 P  11     1555   1555  1.56  
LINK         O3'ADV3 P  11                 P    DC P  12     1555   1555  1.56  
LINK         O3'BDV3 P  11                 P    DC P  12     1555   1555  1.56  
CISPEP   1 VAL A  247    PRO A  248          0        -8.34                     
CISPEP   2 VAL B  247    PRO B  248          0       -13.16                     
CRYST1   44.259   61.333   73.119  83.31  78.28  86.96 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      0.022594 -0.001199 -0.004584        0.00000                         
SCALE2      0.000000  0.016327 -0.001777        0.00000                         
SCALE3      0.000000  0.000000  0.014050        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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