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Database: PDB
Entry: 5ANS
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HEADER    HYDROLASE                               08-SEP-15   5ANS              
TITLE     POTENT AND SELECTIVE INHIBITORS OF MTH1 PROBE ITS ROLE IN             
TITLE    2 CANCER CELL SURVIVAL                                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 7,8-DIHYDRO-8-OXOGUANINE TRIPHOSPHATASE;                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: RESIDUES 42-197;                                           
COMPND   5 SYNONYM: 2-HYDROXY-DATP DIPHOSPHATASE, 8-OXO-DGTPASE, NUCLEOSIDE     
COMPND   6  DIPHOSPHATE-LINKED MOIETY X MOTIF 1, NUDIX MOTIF 1;                 
COMPND   7 EC: 3.6.1.55;                                                        
COMPND   8 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   8 EXPRESSION_SYSTEM_VARIANT: GOLD                                      
KEYWDS    MTH1, ONCOLOGY, HYDROLASE, NUCLEOTIDE HYDROLYSIS, INHIBITION          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.G.KETTLE,H.ALWAN,M.BISTA,J.BREED,H.KACK,K.ECKERSLEY,K.M.FOOTE,      
AUTHOR   2 S.FILLERY,L.GOODWIN,D.JONES,A.LAU,J.W.M.NISSINK,J.READ,J.SCOTT,      
AUTHOR   3 B.TAYLOR,G.WALKER,L.WISSLER                                          
REVDAT   2   06-APR-16 5ANS    1       JRNL                                     
REVDAT   1   02-MAR-16 5ANS    0                                                
JRNL        AUTH   J.G.KETTLE,H.ALWAN,M.BISTA,J.BREED,N.L.DAVIES,K.ECKERSLEY,   
JRNL        AUTH 2 S.FILLERY,K.M.FOOTE,L.GOODWIN,D.R.JONES,H.KACK,A.LAU,        
JRNL        AUTH 3 J.W.NISSINK,J.READ,J.S.SCOTT,B.TAYLOR,G.WALKER,L.WISSLER,    
JRNL        AUTH 4 M.WYLOT                                                      
JRNL        TITL   POTENT AND SELECTIVE INHIBITORS OF MTH1 PROBE ITS ROLE IN    
JRNL        TITL 2 CANCER CELL SURVIVAL.                                        
JRNL        REF    J.MED.CHEM.                   V.  59  2346 2016              
JRNL        REFN                   ISSN 0022-2623                               
JRNL        PMID   26878898                                                     
JRNL        DOI    10.1021/ACS.JMEDCHEM.5B01760                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0005                                      
REMARK   3   AUTHORS     : MURSHUDOV,VAGIN,DODSON                               
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 152.50                         
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NONE                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.00                          
REMARK   3   NUMBER OF REFLECTIONS             : 20400                          
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 + TEST SET) : 0.20698                         
REMARK   3   R VALUE            (WORKING SET) : 0.20521                         
REMARK   3   FREE R VALUE                     : 0.24194                         
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.1                             
REMARK   3   FREE R VALUE TEST SET COUNT      : 1097                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.600                        
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.642                        
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1461                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 97.34                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.203                        
REMARK   3   BIN FREE R VALUE SET COUNT          : 75                           
REMARK   3   BIN FREE R VALUE                    : 0.238                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1262                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 23                                      
REMARK   3   SOLVENT ATOMS            : 128                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 15.785                         
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.27                                                 
REMARK   3    B22 (A**2) : 0.27                                                 
REMARK   3    B33 (A**2) : -0.54                                                
REMARK   3    B12 (A**2) : 0.00                                                 
REMARK   3    B13 (A**2) : 0.00                                                 
REMARK   3    B23 (A**2) : 0.00                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.104         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.104         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.062         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.701         
REMARK   3                                                                      
REMARK   3  CORRELATION COEFFICIENTS.                                           
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.942                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.922                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1321 ; 0.006 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1791 ; 1.058 ; 1.975       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   158 ; 6.282 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   225 ;13.334 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   183 ; 0.067 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1031 ; 0.004 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   547 ; 0.186 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):   881 ; 0.303 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   109 ; 0.106 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    53 ; 0.158 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    22 ; 0.192 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):   802 ; 0.650 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1243 ; 1.051 ; 2.000       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   618 ; 1.461 ; 3.000       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   546 ; 2.323 ; 4.500       
REMARK   3                                                                      
REMARK   3  ANISOTROPIC THERMAL FACTOR RESTRAINTS.   COUNT   RMS    WEIGHT      
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE          
REMARK   3   RIDING POSITIONS.                                                  
REMARK   4                                                                      
REMARK   4 5ANS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 08-SEP-15.                  
REMARK 100 THE PDBE ID CODE IS EBI-64943.                                       
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 10-FEB-05                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID29                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9756                             
REMARK 200  MONOCHROMATOR                  : SI (111)                           
REMARK 200  OPTICS                         : TOROIDAL MIRROR                    
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 21613                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.60                               
REMARK 200  RESOLUTION RANGE LOW       (A) : 33.70                              
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NONE                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.3                               
REMARK 200  DATA REDUNDANCY                : 6.9                                
REMARK 200  R MERGE                    (I) : 0.07                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 17.00                              
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) : 1.69                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 7.0                                
REMARK 200  R MERGE FOR SHELL          (I) : 0.30                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 5.60                               
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: IN IN-HOUSE APO STRUCTURE DETERMINED BY MAD PHASING          
REMARK 200  WAS USED AS SEARCH MODEL.                                           
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 44                                        
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.2                      
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+1/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+3/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+1/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+3/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z+1/2                                            
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       75.86500            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       22.66350            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       22.66350            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       37.93250            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       22.66350            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       22.66350            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      113.79750            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       22.66350            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       22.66350            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       37.93250            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       22.66350            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       22.66350            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000      113.79750            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       75.86500            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A2022   LIES ON A SPECIAL POSITION.                         
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     GLY A   -18                                                      
REMARK 465     SER A   -17                                                      
REMARK 465     SER A   -16                                                      
REMARK 465     HIS A   -15                                                      
REMARK 465     HIS A   -14                                                      
REMARK 465     HIS A   -13                                                      
REMARK 465     HIS A   -12                                                      
REMARK 465     HIS A   -11                                                      
REMARK 465     HIS A   -10                                                      
REMARK 465     SER A    -9                                                      
REMARK 465     SER A    -8                                                      
REMARK 465     GLY A    -7                                                      
REMARK 465     LEU A    -6                                                      
REMARK 465     VAL A    -5                                                      
REMARK 465     PRO A    -4                                                      
REMARK 465     ARG A    -3                                                      
REMARK 465     GLY A    -2                                                      
REMARK 465     SER A    -1                                                      
REMARK 465     HIS A     0                                                      
REMARK 465     MET A     1                                                      
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     VAL A 156    O                                                   
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A  2089     O    HOH A  2089     7555     1.94            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RX8 A1157                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 5ANM   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF IGE FC IN COMPLEX WITH A                       
REMARK 900  NEUTRALIZING ANTIBODY                                               
REMARK 900 RELATED ID: 5ANT   RELATED DB: PDB                                   
REMARK 900  POTENT AND SELECTIVE INHIBITORS OF MTH1 PROBE ITS ROLE              
REMARK 900   IN CANCER CELL SURVIVAL                                            
DBREF  5ANS A    1   156  UNP    P36639   8ODP_HUMAN      42    197             
SEQADV 5ANS GLY A  -18  UNP  P36639              EXPRESSION TAG                 
SEQADV 5ANS SER A  -17  UNP  P36639              EXPRESSION TAG                 
SEQADV 5ANS SER A  -16  UNP  P36639              EXPRESSION TAG                 
SEQADV 5ANS HIS A  -15  UNP  P36639              EXPRESSION TAG                 
SEQADV 5ANS HIS A  -14  UNP  P36639              EXPRESSION TAG                 
SEQADV 5ANS HIS A  -13  UNP  P36639              EXPRESSION TAG                 
SEQADV 5ANS HIS A  -12  UNP  P36639              EXPRESSION TAG                 
SEQADV 5ANS HIS A  -11  UNP  P36639              EXPRESSION TAG                 
SEQADV 5ANS HIS A  -10  UNP  P36639              EXPRESSION TAG                 
SEQADV 5ANS SER A   -9  UNP  P36639              EXPRESSION TAG                 
SEQADV 5ANS SER A   -8  UNP  P36639              EXPRESSION TAG                 
SEQADV 5ANS GLY A   -7  UNP  P36639              EXPRESSION TAG                 
SEQADV 5ANS LEU A   -6  UNP  P36639              EXPRESSION TAG                 
SEQADV 5ANS VAL A   -5  UNP  P36639              EXPRESSION TAG                 
SEQADV 5ANS PRO A   -4  UNP  P36639              EXPRESSION TAG                 
SEQADV 5ANS ARG A   -3  UNP  P36639              EXPRESSION TAG                 
SEQADV 5ANS GLY A   -2  UNP  P36639              EXPRESSION TAG                 
SEQADV 5ANS SER A   -1  UNP  P36639              EXPRESSION TAG                 
SEQADV 5ANS HIS A    0  UNP  P36639              EXPRESSION TAG                 
SEQRES   1 A  175  GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY LEU          
SEQRES   2 A  175  VAL PRO ARG GLY SER HIS MET GLY ALA SER ARG LEU TYR          
SEQRES   3 A  175  THR LEU VAL LEU VAL LEU GLN PRO GLN ARG VAL LEU LEU          
SEQRES   4 A  175  GLY MET LYS LYS ARG GLY PHE GLY ALA GLY ARG TRP ASN          
SEQRES   5 A  175  GLY PHE GLY GLY LYS VAL GLN GLU GLY GLU THR ILE GLU          
SEQRES   6 A  175  ASP GLY ALA ARG ARG GLU LEU GLN GLU GLU SER GLY LEU          
SEQRES   7 A  175  THR VAL ASP ALA LEU HIS LYS VAL GLY GLN ILE VAL PHE          
SEQRES   8 A  175  GLU PHE VAL GLY GLU PRO GLU LEU MET ASP VAL HIS VAL          
SEQRES   9 A  175  PHE CYS THR ASP SER ILE GLN GLY THR PRO VAL GLU SER          
SEQRES  10 A  175  ASP GLU MET ARG PRO CYS TRP PHE GLN LEU ASP GLN ILE          
SEQRES  11 A  175  PRO PHE LYS ASP MET TRP PRO ASP ASP SER TYR TRP PHE          
SEQRES  12 A  175  PRO LEU LEU LEU GLN LYS LYS LYS PHE HIS GLY TYR PHE          
SEQRES  13 A  175  LYS PHE GLN GLY GLN ASP THR ILE LEU ASP TYR THR LEU          
SEQRES  14 A  175  ARG GLU VAL ASP THR VAL                                      
HET    RX8  A1157      23                                                       
HETNAM     RX8 1-[4-AMINO-2-(ETHOXYMETHYL)-1H-IMIDAZO[4,5-C]                    
HETNAM   2 RX8  QUINOLIN-1-YL]-2-METHYLPROPAN-2-OL                              
HETSYN     RX8 R848, RESIQUIMOD                                                 
FORMUL   2  RX8    C17 H22 N4 O2                                                
FORMUL   3  HOH   *128(H2 O)                                                    
HELIX    1   1 THR A   44  GLY A   58  1                                  15    
HELIX    2   2 PRO A  112  ASP A  115  5                                   4    
HELIX    3   3 ASP A  119  GLN A  129  1                                  11    
SHEET    1  AA 2 TRP A  32  ASN A  33  0                                        
SHEET    2  AA 2 ARG A  17  LYS A  23  1  O  GLY A  21   N  ASN A  33           
SHEET    1  AB 2 MET A 101  GLN A 107  0                                        
SHEET    2  AB 2 ARG A  17  LYS A  23 -1  O  VAL A  18   N  PHE A 106           
SHEET    1  AC 7 THR A 144  VAL A 153  0                                        
SHEET    2  AC 7 LYS A 132  GLN A 140 -1  O  LYS A 132   N  VAL A 153           
SHEET    3  AC 7 HIS A  65  PHE A  74  1  O  VAL A  67   N  PHE A 133           
SHEET    4  AC 7 LEU A  80  THR A  88 -1  O  MET A  81   N  PHE A  72           
SHEET    5  AC 7 SER A   4  LEU A  13  1  O  ARG A   5   N  ASP A  82           
SHEET    6  AC 7 ARG A  17  LYS A  23 -1  O  LEU A  19   N  VAL A  12           
SHEET    7  AC 7 TRP A  32  ASN A  33  1  O  ASN A  33   N  GLY A  21           
SHEET    1  AD 7 THR A 144  VAL A 153  0                                        
SHEET    2  AD 7 LYS A 132  GLN A 140 -1  O  LYS A 132   N  VAL A 153           
SHEET    3  AD 7 HIS A  65  PHE A  74  1  O  VAL A  67   N  PHE A 133           
SHEET    4  AD 7 LEU A  80  THR A  88 -1  O  MET A  81   N  PHE A  72           
SHEET    5  AD 7 SER A   4  LEU A  13  1  O  ARG A   5   N  ASP A  82           
SHEET    6  AD 7 ARG A  17  LYS A  23 -1  O  LEU A  19   N  VAL A  12           
SHEET    7  AD 7 MET A 101  GLN A 107 -1  O  ARG A 102   N  MET A  22           
SITE     1 AC1 12 THR A   8  LEU A   9  LYS A  23  ASN A  33                    
SITE     2 AC1 12 GLY A  34  GLY A  36  GLY A  37  PHE A  72                    
SITE     3 AC1 12 TRP A 117  ASP A 119  ASP A 120  HOH A2101                    
CRYST1   45.327   45.327  151.730  90.00  90.00  90.00 P 41 21 2     8          
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      0.022062  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.022062  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006591        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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