PDB Short entry for 1XSN
HEADER    TRANSFERASE/DNA                         19-OCT-04   1XSN              
TITLE     CRYSTAL STRUCTURE OF HUMAN DNA POLYMERASE LAMBDA IN COMPLEX WITH A ONE
TITLE    2 NUCLEOTIDE DNA GAP AND DDTTP                                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-D(*CP*GP*GP*CP*AP*AP*TP*AP*CP*TP*G)-3';                 
COMPND   3 CHAIN: T;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: 5'-D(*CP*AP*GP*TP*AP*(2DT))-3';                            
COMPND   7 CHAIN: P;                                                            
COMPND   8 ENGINEERED: YES;                                                     
COMPND   9 MOL_ID: 3;                                                           
COMPND  10 MOLECULE: 5'-D(P*GP*CP*CP*G)-3';                                     
COMPND  11 CHAIN: D;                                                            
COMPND  12 ENGINEERED: YES;                                                     
COMPND  13 MOL_ID: 4;                                                           
COMPND  14 MOLECULE: DNA POLYMERASE LAMBDA;                                     
COMPND  15 CHAIN: A;                                                            
COMPND  16 FRAGMENT: 39 KDA CATALYTIC C-TERMINAL DOMAIN;                        
COMPND  17 SYNONYM: POL LAMBDA, DNA POLYMERASE BETA-2, POL BETA2;               
COMPND  18 EC: 2.7.7.7;                                                         
COMPND  19 ENGINEERED: YES;                                                     
COMPND  20 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 OTHER_DETAILS: TEMPLATE DNA;                                         
SOURCE   4 MOL_ID: 2;                                                           
SOURCE   5 SYNTHETIC: YES;                                                      
SOURCE   6 OTHER_DETAILS: PRIMER DNA;                                           
SOURCE   7 MOL_ID: 3;                                                           
SOURCE   8 SYNTHETIC: YES;                                                      
SOURCE   9 OTHER_DETAILS: DOWNSTREAM PRIMER DNA;                                
SOURCE  10 MOL_ID: 4;                                                           
SOURCE  11 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  12 ORGANISM_COMMON: HUMAN;                                              
SOURCE  13 ORGANISM_TAXID: 9606;                                                
SOURCE  14 GENE: POLL;                                                          
SOURCE  15 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  16 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  17 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)RIL;                              
SOURCE  18 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  19 EXPRESSION_SYSTEM_PLASMID: PET22-B                                   
KEYWDS    DNA POLYMERASE LAMBDA, PROTEIN-DNA COMPLEX, HELIX-HAIRPIN-HELIX,      
KEYWDS   2 TRANSFERASE-DNA COMPLEX                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.GARCIA-DIAZ,K.BEBENEK,J.M.KRAHN,T.A.KUNKEL,L.C.PEDERSEN             
REVDAT   5   14-FEB-24 1XSN    1       REMARK                                   
REVDAT   4   20-OCT-21 1XSN    1       REMARK SEQADV LINK                       
REVDAT   3   24-JAN-18 1XSN    1       JRNL                                     
REVDAT   2   24-FEB-09 1XSN    1       VERSN                                    
REVDAT   1   18-JAN-05 1XSN    0                                                
JRNL        AUTH   M.GARCIA-DIAZ,K.BEBENEK,J.M.KRAHN,T.A.KUNKEL,L.C.PEDERSEN    
JRNL        TITL   A CLOSED CONFORMATION FOR THE POL LAMBDA CATALYTIC CYCLE.    
JRNL        REF    NAT.STRUCT.MOL.BIOL.          V.  12    97 2005              
JRNL        REFN                   ISSN 1545-9993                               
JRNL        PMID   15608652                                                     
JRNL        DOI    10.1038/NSMB876                                              
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   M.GARCIA-DIAZ,K.BEBENEK,J.M.KRAHN,L.BLANCO,T.A.KUNKEL,       
REMARK   1  AUTH 2 L.C.PEDERSEN                                                 
REMARK   1  TITL   A STRUCTURAL SOLUTION FOR THE DNA POLYMERASE-LAMBDA          
REMARK   1  TITL 2 DEPENDENT REPAIR OF DNA GAPS WITH MINIMAL HOMOLOGY           
REMARK   1  REF    MOL.CELL                      V.  13   561 2004              
REMARK   1  REFN                   ISSN 1097-2765                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   M.GARCIA-DIAZ,K.BEBENEK,R.SABARIEGOS,O.DOMINGUEZ,            
REMARK   1  AUTH 2 J.RODRIGUEZ,T.KIRCHHOFF,E.GARCIA-PALOMERO,A.J.PICHER,        
REMARK   1  AUTH 3 R.JUAREZ,J.F.RUIZ,T.A.KUNKEL,L.BLANCO                        
REMARK   1  TITL   DNA POLYMERASE LAMBDA, A NOVEL DNA REPAIR ENZYME IN HUMAN    
REMARK   1  TITL 2 CELLS                                                        
REMARK   1  REF    J.BIOL.CHEM.                  V. 277 13184 2002              
REMARK   1  REFN                   ISSN 0021-9258                               
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   K.BEBENEK,K.GARCIA-DIAZ,L.BLANCO,T.A.KUNKEL                  
REMARK   1  TITL   THE FRAMESHIFT INFIDELITY OF HUMAN DNA POLYMERASE LAMBDA.    
REMARK   1  TITL 2 IMPLICATIONS FOR FUNCTION.                                   
REMARK   1  REF    J.BIOL.CHEM.                  V. 278 34685 2003              
REMARK   1  REFN                   ISSN 0021-9258                               
REMARK   1 REFERENCE 4                                                          
REMARK   1  AUTH   M.GARCIA-DIAZ,K.BEBENEK,T.A.KUNKEL,L.BLANCO                  
REMARK   1  TITL   IDENTIFICATION OF AN INTRINSIC 5'-DEOXYRIBOSE-5-PHOSPHATE    
REMARK   1  TITL 2 LYASE ACTIVITY IN HUMAN DNA POLYMERASE LAMBDA: A POSSIBLE    
REMARK   1  TITL 3 ROLE IN BASE EXCISION REPAIR                                 
REMARK   1  REF    J.BIOL.CHEM.                  V. 276 34659 2001              
REMARK   1  REFN                   ISSN 0021-9258                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.95 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.95                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 35.84                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 710728.220                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 90.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 33027                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.213                           
REMARK   3   FREE R VALUE                     : 0.255                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1632                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.006                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.95                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.07                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 83.00                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 4709                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2640                       
REMARK   3   BIN FREE R VALUE                    : 0.2910                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.10                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 253                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.018                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2479                                    
REMARK   3   NUCLEIC ACID ATOMS       : 425                                     
REMARK   3   HETEROGEN ATOMS          : 47                                      
REMARK   3   SOLVENT ATOMS            : 327                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 26.80                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 47.40                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -5.40000                                             
REMARK   3    B22 (A**2) : 4.98000                                              
REMARK   3    B33 (A**2) : 0.43000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.25                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.20                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.30                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.19                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.200                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.00                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.860                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.370 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.250 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.820 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 4.040 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.38                                                 
REMARK   3   BSOL        : 70.92                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : DNA-RNA_REP.PARAM                              
REMARK   3  PARAMETER FILE  3  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  4  : TER5APS.PARAM                                  
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  PARAMETER FILE  6  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : DNA-RNA.TOP                                    
REMARK   3  TOPOLOGY FILE  3   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  4   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : TER5APS.TOP                                    
REMARK   3  TOPOLOGY FILE  6   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1XSN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-NOV-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000030721.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-JUL-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 22-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.96318                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 34547                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.950                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 94.9                               
REMARK 200  DATA REDUNDANCY                : 7.000                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.10600                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.7000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.95                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.02                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 95.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.60                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 54.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.70                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM CITRATE, 2-PROPANOL, SODIUM       
REMARK 280  CHLORIDE, CACODYLATE, PH 5.5, VAPOR DIFFUSION, HANGING DROP,        
REMARK 280  TEMPERATURE 277K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       28.02150            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       69.91500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       31.27550            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       69.91500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       28.02150            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       31.27550            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE PROTEIN IS A MONOMER THUS THE ASYMMETRIC UNIT            
REMARK 300 REPRESENTS THE BIOLOGICAL UNIT                                       
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: TETRAMERIC                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: T, P, D, A                            
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A   241                                                      
REMARK 465     ALA A   242                                                      
REMARK 465     GLN A   243                                                      
REMARK 465     PRO A   244                                                      
REMARK 465     SER A   245                                                      
REMARK 465     SER A   246                                                      
REMARK 465     GLN A   247                                                      
REMARK 465     LYS A   248                                                      
REMARK 465     ALA A   249                                                      
REMARK 465     THR A   250                                                      
REMARK 465     ASN A   251                                                      
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     HIS A 255    CG   ND1  CD2  CE1  NE2                             
REMARK 470     ILE A 256    CG1  CG2  CD1                                       
REMARK 470     GLU A 258    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 259    CG   CD   CE   NZ                                   
REMARK 470     LYS A 287    CG   CD   CE   NZ                                   
REMARK 470     LYS A 291    CG   CD   CE   NZ                                   
REMARK 470     THR A 294    OG1  CG2                                            
REMARK 470     SER A 295    OG                                                  
REMARK 470     GLN A 297    CG   CD   OE1  NE2                                  
REMARK 470     GLU A 298    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 307    CG   CD   CE   NZ                                   
REMARK 470     ILE A 314    CG1  CG2  CD1                                       
REMARK 470     ILE A 316    CG1  CG2  CD1                                       
REMARK 470     GLU A 318    CG   CD   OE1  OE2                                  
REMARK 470     ARG A 323    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ASP A 326    CG   OD1  OD2                                       
REMARK 470     ARG A 438    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ARG A 441    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     SER A 445    OG                                                  
REMARK 470     VAL A 545    CG1  CG2                                            
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     DG D   1   P      DG D   1   OP3    -0.088                       
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    ASN A 253     -174.01   -175.57                                   
REMARK 500    LEU A 254       76.53     49.16                                   
REMARK 500    HIS A 255        1.13    -52.52                                   
REMARK 500    LEU A 286       -5.38    -57.78                                   
REMARK 500    CYS A 300      -30.36    -38.92                                   
REMARK 500    ASN A 407       92.01   -179.49                                   
REMARK 500    CYS A 415     -137.98   -109.66                                   
REMARK 500    ARG A 438      -37.76   -153.11                                   
REMARK 500    SER A 463       86.86   -166.00                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA A 578  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH T 190   O                                                      
REMARK 620 2 SER A 463   O   100.3                                              
REMARK 620 3 HOH A 617   O    94.2  92.0                                        
REMARK 620 4 HOH A 721   O   100.2  85.3 165.6                                  
REMARK 620 5 HOH A 722   O    94.4 165.4  86.2  92.9                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA A 577  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DA P   5   OP1                                                    
REMARK 620 2 HOH P2807   O    87.7                                              
REMARK 620 3 SER A 339   O   162.5  75.0                                        
REMARK 620 4 ILE A 341   O    98.3 172.8  99.1                                  
REMARK 620 5 ALA A 344   O    92.4  88.9  90.0  86.9                            
REMARK 620 6 HOH A 582   O    93.5  96.6  86.0  87.0 172.1                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 576  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 427   OD2                                                    
REMARK 620 2 ASP A 429   OD2  89.6                                              
REMARK 620 3 D3T A 579   O1B 171.6  95.8                                        
REMARK 620 4 D3T A 579   O1A  97.2  92.8  89.0                                  
REMARK 620 5 D3T A 579   O3G  91.2 177.9  83.2  89.0                            
REMARK 620 6 HOH A 586   O    90.2  88.4  83.6 172.6  89.7                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 576                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 577                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 578                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE D3T A 579                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO P 2801                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO P 2802                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO T 2803                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO P 2804                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1XSL   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1XSP   RELATED DB: PDB                                   
DBREF  1XSN A  242   575  UNP    Q9UGP5   DPOL_HUMAN     242    575             
DBREF  1XSN T    1    11  PDB    1XSN     1XSN             1     11             
DBREF  1XSN P    1     6  PDB    1XSN     1XSN             1      6             
DBREF  1XSN D    1     4  PDB    1XSN     1XSN             1      4             
SEQADV 1XSN MET A  241  UNP  Q9UGP5              INITIATING METHIONINE          
SEQADV 1XSN ALA A  543  UNP  Q9UGP5    CYS   543 ENGINEERED MUTATION            
SEQRES   1 T   11   DC  DG  DG  DC  DA  DA  DT  DA  DC  DT  DG                  
SEQRES   1 P    6   DC  DA  DG  DT  DA 2DT                                      
SEQRES   1 D    4   DG  DC  DC  DG                                              
SEQRES   1 A  335  MET ALA GLN PRO SER SER GLN LYS ALA THR ASN HIS ASN          
SEQRES   2 A  335  LEU HIS ILE THR GLU LYS LEU GLU VAL LEU ALA LYS ALA          
SEQRES   3 A  335  TYR SER VAL GLN GLY ASP LYS TRP ARG ALA LEU GLY TYR          
SEQRES   4 A  335  ALA LYS ALA ILE ASN ALA LEU LYS SER PHE HIS LYS PRO          
SEQRES   5 A  335  VAL THR SER TYR GLN GLU ALA CYS SER ILE PRO GLY ILE          
SEQRES   6 A  335  GLY LYS ARG MET ALA GLU LYS ILE ILE GLU ILE LEU GLU          
SEQRES   7 A  335  SER GLY HIS LEU ARG LYS LEU ASP HIS ILE SER GLU SER          
SEQRES   8 A  335  VAL PRO VAL LEU GLU LEU PHE SER ASN ILE TRP GLY ALA          
SEQRES   9 A  335  GLY THR LYS THR ALA GLN MET TRP TYR GLN GLN GLY PHE          
SEQRES  10 A  335  ARG SER LEU GLU ASP ILE ARG SER GLN ALA SER LEU THR          
SEQRES  11 A  335  THR GLN GLN ALA ILE GLY LEU LYS HIS TYR SER ASP PHE          
SEQRES  12 A  335  LEU GLU ARG MET PRO ARG GLU GLU ALA THR GLU ILE GLU          
SEQRES  13 A  335  GLN THR VAL GLN LYS ALA ALA GLN ALA PHE ASN SER GLY          
SEQRES  14 A  335  LEU LEU CYS VAL ALA CYS GLY SER TYR ARG ARG GLY LYS          
SEQRES  15 A  335  ALA THR CYS GLY ASP VAL ASP VAL LEU ILE THR HIS PRO          
SEQRES  16 A  335  ASP GLY ARG SER HIS ARG GLY ILE PHE SER ARG LEU LEU          
SEQRES  17 A  335  ASP SER LEU ARG GLN GLU GLY PHE LEU THR ASP ASP LEU          
SEQRES  18 A  335  VAL SER GLN GLU GLU ASN GLY GLN GLN GLN LYS TYR LEU          
SEQRES  19 A  335  GLY VAL CYS ARG LEU PRO GLY PRO GLY ARG ARG HIS ARG          
SEQRES  20 A  335  ARG LEU ASP ILE ILE VAL VAL PRO TYR SER GLU PHE ALA          
SEQRES  21 A  335  CYS ALA LEU LEU TYR PHE THR GLY SER ALA HIS PHE ASN          
SEQRES  22 A  335  ARG SER MET ARG ALA LEU ALA LYS THR LYS GLY MET SER          
SEQRES  23 A  335  LEU SER GLU HIS ALA LEU SER THR ALA VAL VAL ARG ASN          
SEQRES  24 A  335  THR HIS GLY ALA LYS VAL GLY PRO GLY ARG VAL LEU PRO          
SEQRES  25 A  335  THR PRO THR GLU LYS ASP VAL PHE ARG LEU LEU GLY LEU          
SEQRES  26 A  335  PRO TYR ARG GLU PRO ALA GLU ARG ASP TRP                      
MODRES 1XSN 2DT P    6   DT  3'-DEOXYTHYMIDINE-5'-MONOPHOSPHATE                 
HET    2DT  P   6      19                                                       
HET    EDO  T2803       4                                                       
HET    EDO  P2801       4                                                       
HET    EDO  P2802       4                                                       
HET    EDO  P2804       4                                                       
HET     MG  A 576       1                                                       
HET     NA  A 577       1                                                       
HET     NA  A 578       1                                                       
HET    D3T  A 579      28                                                       
HETNAM     2DT 3'-DEOXYTHYMIDINE-5'-MONOPHOSPHATE                               
HETNAM     EDO 1,2-ETHANEDIOL                                                   
HETNAM      MG MAGNESIUM ION                                                    
HETNAM      NA SODIUM ION                                                       
HETNAM     D3T 2',3'-DIDEOXY-THYMIDINE-5'-TRIPHOSPHATE                          
HETSYN     2DT 2',3'-DIDEOXYTHYMIDINE-5'-MONOPHOSPHATE                          
HETSYN     EDO ETHYLENE GLYCOL                                                  
FORMUL   2  2DT    C10 H15 N2 O7 P                                              
FORMUL   5  EDO    4(C2 H6 O2)                                                  
FORMUL   9   MG    MG 2+                                                        
FORMUL  10   NA    2(NA 1+)                                                     
FORMUL  12  D3T    C10 H17 N2 O13 P3                                            
FORMUL  13  HOH   *327(H2 O)                                                    
HELIX    1   1 ILE A  256  GLN A  270  1                                  15    
HELIX    2   2 ASP A  272  LYS A  287  1                                  16    
HELIX    3   3 SER A  295  SER A  301  1                                   7    
HELIX    4   4 GLY A  306  GLU A  315  1                                  10    
HELIX    5   5 LEU A  322  ILE A  328  5                                   7    
HELIX    6   6 SER A  331  ASN A  340  1                                  10    
HELIX    7   7 GLY A  345  GLN A  355  1                                  11    
HELIX    8   8 SER A  359  ALA A  367  1                                   9    
HELIX    9   9 THR A  370  HIS A  379  1                                  10    
HELIX   10  10 SER A  381  GLU A  385  5                                   5    
HELIX   11  11 ARG A  389  ALA A  405  1                                  17    
HELIX   12  12 CYS A  415  ARG A  420  1                                   6    
HELIX   13  13 ILE A  443  GLU A  454  1                                  12    
HELIX   14  14 PRO A  495  SER A  497  5                                   3    
HELIX   15  15 GLU A  498  GLY A  508  1                                  11    
HELIX   16  16 SER A  509  LYS A  523  1                                  15    
HELIX   17  17 THR A  555  LEU A  563  1                                   9    
HELIX   18  18 GLU A  569  ASP A  574  5                                   6    
SHEET    1   A 2 MET A 387  PRO A 388  0                                        
SHEET    2   A 2 THR A 424  CYS A 425 -1  O  CYS A 425   N  MET A 387           
SHEET    1   B 5 LEU A 411  ALA A 414  0                                        
SHEET    2   B 5 ASP A 427  THR A 433 -1  O  LEU A 431   N  VAL A 413           
SHEET    3   B 5 ARG A 487  VAL A 493  1  O  ILE A 492   N  ILE A 432           
SHEET    4   B 5 LYS A 472  CYS A 477 -1  N  CYS A 477   O  ARG A 487           
SHEET    5   B 5 LEU A 457  VAL A 462 -1  N  THR A 458   O  VAL A 476           
SHEET    1   C 3 MET A 525  LEU A 527  0                                        
SHEET    2   C 3 LEU A 532  THR A 534 -1  O  SER A 533   N  SER A 526           
SHEET    3   C 3 ARG A 549  VAL A 550 -1  O  ARG A 549   N  THR A 534           
SHEET    1   D 2 VAL A 537  ARG A 538  0                                        
SHEET    2   D 2 LYS A 544  GLY A 546 -1  O  VAL A 545   N  VAL A 537           
LINK         O3'  DA P   5                 P   2DT P   6     1555   1555  1.61  
LINK         O   HOH T 190                NA    NA A 578     1555   1555  2.40  
LINK         OP1  DA P   5                NA    NA A 577     1555   1555  2.58  
LINK         O   HOH P2807                NA    NA A 577     1555   1555  2.44  
LINK         O   SER A 339                NA    NA A 577     1555   1555  2.41  
LINK         O   ILE A 341                NA    NA A 577     1555   1555  2.50  
LINK         O   ALA A 344                NA    NA A 577     1555   1555  2.29  
LINK         OD2 ASP A 427                MG    MG A 576     1555   1555  2.00  
LINK         OD2 ASP A 429                MG    MG A 576     1555   1555  2.13  
LINK         O   SER A 463                NA    NA A 578     1555   1555  2.34  
LINK        MG    MG A 576                 O1B D3T A 579     1555   1555  1.88  
LINK        MG    MG A 576                 O1A D3T A 579     1555   1555  1.99  
LINK        MG    MG A 576                 O3G D3T A 579     1555   1555  2.20  
LINK        MG    MG A 576                 O   HOH A 586     1555   1555  2.15  
LINK        NA    NA A 577                 O   HOH A 582     1555   1555  2.47  
LINK        NA    NA A 578                 O   HOH A 617     1555   1555  2.56  
LINK        NA    NA A 578                 O   HOH A 721     1555   1555  2.83  
LINK        NA    NA A 578                 O   HOH A 722     1555   1555  2.71  
CISPEP   1 GLY A  508    SER A  509          0         1.31                     
SITE     1 AC1  4 ASP A 427  ASP A 429  D3T A 579  HOH A 586                    
SITE     1 AC2  6 SER A 339  ILE A 341  ALA A 344  HOH A 582                    
SITE     2 AC2  6  DA P   5  HOH P2807                                          
SITE     1 AC3  5 SER A 463  HOH A 617  HOH A 721  HOH A 722                    
SITE     2 AC3  5 HOH T 190                                                     
SITE     1 AC4 21 ARG A 386  GLY A 416  SER A 417  ARG A 420                    
SITE     2 AC4 21 GLY A 426  ASP A 427  ASP A 429  TYR A 505                    
SITE     3 AC4 21 PHE A 506  GLY A 508  ALA A 510  ASN A 513                    
SITE     4 AC4 21  MG A 576  HOH A 580  HOH A 586  HOH A 636                    
SITE     5 AC4 21 HOH A 638  HOH A 647  HOH A 708  2DT P   6                    
SITE     6 AC4 21  DA T   5                                                     
SITE     1 AC5  4 MET A 351  ARG A 485   DG P   3  HOH P2832                    
SITE     1 AC6  4 GLU A 361   DC P   1   DA P   2  HOH P2820                    
SITE     1 AC7  4 THR A 534  ALA A 535  ARG A 549   DC T   1                    
SITE     1 AC8  5  DT P   4   DA P   5  HOH P2816  HOH P2817                    
SITE     2 AC8  5 HOH P2819                                                     
CRYST1   56.043   62.551  139.830  90.00  90.00  90.00 P 21 21 21    4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.017843  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.015987  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007152        0.00000