PDB Short entry for 4N1T
HEADER    HYDROLASE/HYDROLASE INHIBITOR           04-OCT-13   4N1T              
TITLE     STRUCTURE OF HUMAN MTH1 IN COMPLEX WITH TH287                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 7,8-DIHYDRO-8-OXOGUANINE TRIPHOSPHATASE;                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: 2-HYDROXY-DATP DIPHOSPHATASE, 8-OXO-DGTPASE, NUCLEOSIDE     
COMPND   5 DIPHOSPHATE-LINKED MOIETY X MOTIF 1, NUDIX MOTIF 1;                  
COMPND   6 EC: 3.6.1.55, 3.6.1.56;                                              
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: NUDT1, MTH1;                                                   
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    OXIDISED NUCLEOTIDE DEGRADATION, HYDROLASE-HYDROLASE INHIBITOR        
KEYWDS   2 COMPLEX                                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.P.-A.BERNTSSON,A.JEMTH,R.GUSTAFSSON,L.M.SVENSSON,T.HELLEDAY,        
AUTHOR   2 P.STENMARK                                                           
REVDAT   5   20-SEP-23 4N1T    1       REMARK SEQADV                            
REVDAT   4   24-JAN-18 4N1T    1       AUTHOR                                   
REVDAT   3   05-AUG-15 4N1T    1       TITLE                                    
REVDAT   2   11-JUN-14 4N1T    1       JRNL                                     
REVDAT   1   16-APR-14 4N1T    0                                                
JRNL        AUTH   H.GAD,T.KOOLMEISTER,A.S.JEMTH,S.ESHTAD,S.A.JACQUES,          
JRNL        AUTH 2 C.E.STROM,L.M.SVENSSON,N.SCHULTZ,T.LUNDBACK,                 
JRNL        AUTH 3 B.O.EINARSDOTTIR,A.SALEH,C.GOKTURK,P.BARANCZEWSKI,           
JRNL        AUTH 4 R.SVENSSON,R.P.BERNTSSON,R.GUSTAFSSON,K.STROMBERG,K.SANJIV,  
JRNL        AUTH 5 M.C.JACQUES-CORDONNIER,M.DESROSES,A.L.GUSTAVSSON,R.OLOFSSON, 
JRNL        AUTH 6 F.JOHANSSON,E.J.HOMAN,O.LOSEVA,L.BRAUTIGAM,L.JOHANSSON,      
JRNL        AUTH 7 A.HOGLUND,A.HAGENKORT,T.PHAM,M.ALTUN,F.Z.GAUGAZ,             
JRNL        AUTH 8 S.VIKINGSSON,B.EVERS,M.HENRIKSSON,K.S.VALLIN,O.A.WALLNER,    
JRNL        AUTH 9 L.G.HAMMARSTROM,E.WIITA,I.ALMLOF,C.KALDEREN,H.AXELSSON,      
JRNL        AUTH10 T.DJUREINOVIC,J.C.PUIGVERT,M.HAGGBLAD,F.JEPPSSON,U.MARTENS,  
JRNL        AUTH11 C.LUNDIN,B.LUNDGREN,I.GRANELLI,A.J.JENSEN,P.ARTURSSON,       
JRNL        AUTH12 J.A.NILSSON,P.STENMARK,M.SCOBIE,U.W.BERGLUND,T.HELLEDAY      
JRNL        TITL   MTH1 INHIBITION ERADICATES CANCER BY PREVENTING SANITATION   
JRNL        TITL 2 OF THE DNTP POOL.                                            
JRNL        REF    NATURE                        V. 508   215 2014              
JRNL        REFN                   ISSN 0028-0836                               
JRNL        PMID   24695224                                                     
JRNL        DOI    10.1038/NATURE13181                                          
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
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) : 44.65                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 19763                          
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) : 0.177                           
REMARK   3   R VALUE            (WORKING SET) : 0.175                           
REMARK   3   FREE R VALUE                     : 0.209                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 986                             
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) : 1.60                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.64                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1347                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.61                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2470                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 71                           
REMARK   3   BIN FREE R VALUE                    : 0.3020                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1254                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 37                                      
REMARK   3   SOLVENT ATOMS            : 138                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 17.71                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.22000                                             
REMARK   3    B22 (A**2) : 0.11000                                              
REMARK   3    B33 (A**2) : 1.11000                                              
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.097         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.096         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.063         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.569         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.961                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.948                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1375 ; 0.012 ; 0.019       
REMARK   3   BOND LENGTHS OTHERS               (A):  1257 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1870 ; 1.530 ; 1.980       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  2900 ; 0.733 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   165 ; 6.280 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    68 ;33.075 ;24.265       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   233 ;12.934 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     8 ; 9.428 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   191 ; 0.094 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1578 ; 0.008 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):   334 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
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):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
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):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
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  : 1                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     3        A   156                          
REMARK   3    ORIGIN FOR THE GROUP (A):  14.3592 -13.1638   9.3172              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0794 T22:   0.0201                                     
REMARK   3      T33:   0.0027 T12:   0.0097                                     
REMARK   3      T13:  -0.0076 T23:   0.0004                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.2779 L22:   1.2531                                     
REMARK   3      L33:   0.6946 L12:   0.5004                                     
REMARK   3      L13:  -0.1973 L23:  -0.1731                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0312 S12:  -0.0666 S13:  -0.0231                       
REMARK   3      S21:   0.0476 S22:  -0.0055 S23:   0.0112                       
REMARK   3      S31:   0.0081 S32:  -0.0219 S33:  -0.0257                       
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 RIDING   
REMARK   3  POSITIONS U VALUES : WITH TLS ADDED                                 
REMARK   4                                                                      
REMARK   4 4N1T COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-OCT-13.                  
REMARK 100 THE DEPOSITION ID IS D_1000082644.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 27-JUN-12                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 3.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : BESSY                              
REMARK 200  BEAMLINE                       : 14.1                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
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 : XSCALE                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA 3.3.20, XSCALE               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 19801                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.584                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 44.647                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 4.800                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.05900                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 14.7000                            
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     (%) : 99.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.70                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.41500                            
REMARK 200  R SYM FOR SHELL            (I) : 0.41500                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.800                              
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: PDB ENTRY 3ZR1                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 37.93                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.98                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 32% PEG 6000, 0.1 M SODIUM ACETATE PH    
REMARK 280  3.5, 0.2 M LITHIUM SULFATE, VAPOR DIFFUSION, SITTING DROP,          
REMARK 280  TEMPERATURE 292K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X+1/2,Y+1/2,-Z                                         
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        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000       30.18900            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       33.16050            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       30.18900            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       33.16050            
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 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 S    SO4 A 203  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 372  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    -2                                                      
REMARK 465     SER A    -1                                                      
REMARK 465     HIS A     0                                                      
REMARK 465     MET A     1                                                      
REMARK 465     GLY A     2                                                      
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   O    ASP A    62     O    HOH A   436              1.90            
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    ASP A  62      -91.83    -90.46                                   
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 2GD A 201                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 202                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 203                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 204                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 205                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3ZR0   RELATED DB: PDB                                   
REMARK 900 APO MTH1                                                             
REMARK 900 RELATED ID: 3ZR1   RELATED DB: PDB                                   
REMARK 900 MTH1 IN COMPLEX WITH 8-OXO-DGMP                                      
REMARK 900 RELATED ID: 4N1U   RELATED DB: PDB                                   
REMARK 900 MTH1 IN COMPLEX WITH TH588                                           
DBREF  4N1T A    1   156  UNP    P36639   8ODP_HUMAN      42    197             
SEQADV 4N1T GLY A   -2  UNP  P36639              EXPRESSION TAG                 
SEQADV 4N1T SER A   -1  UNP  P36639              EXPRESSION TAG                 
SEQADV 4N1T HIS A    0  UNP  P36639              EXPRESSION TAG                 
SEQRES   1 A  159  GLY SER HIS MET GLY ALA SER ARG LEU TYR THR LEU VAL          
SEQRES   2 A  159  LEU VAL LEU GLN PRO GLN ARG VAL LEU LEU GLY MET LYS          
SEQRES   3 A  159  LYS ARG GLY PHE GLY ALA GLY ARG TRP ASN GLY PHE GLY          
SEQRES   4 A  159  GLY LYS VAL GLN GLU GLY GLU THR ILE GLU ASP GLY ALA          
SEQRES   5 A  159  ARG ARG GLU LEU GLN GLU GLU SER GLY LEU THR VAL ASP          
SEQRES   6 A  159  ALA LEU HIS LYS VAL GLY GLN ILE VAL PHE GLU PHE VAL          
SEQRES   7 A  159  GLY GLU PRO GLU LEU MET ASP VAL HIS VAL PHE CYS THR          
SEQRES   8 A  159  ASP SER ILE GLN GLY THR PRO VAL GLU SER ASP GLU MET          
SEQRES   9 A  159  ARG PRO CYS TRP PHE GLN LEU ASP GLN ILE PRO PHE LYS          
SEQRES  10 A  159  ASP MET TRP PRO ASP ASP SER TYR TRP PHE PRO LEU LEU          
SEQRES  11 A  159  LEU GLN LYS LYS LYS PHE HIS GLY TYR PHE LYS PHE GLN          
SEQRES  12 A  159  GLY GLN ASP THR ILE LEU ASP TYR THR LEU ARG GLU VAL          
SEQRES  13 A  159  ASP THR VAL                                                  
HET    2GD  A 201      17                                                       
HET    SO4  A 202       5                                                       
HET    SO4  A 203       5                                                       
HET    SO4  A 204       5                                                       
HET    SO4  A 205       5                                                       
HETNAM     2GD 6-(2,3-DICHLOROPHENYL)-N~4~-METHYLPYRIMIDINE-2,4-                
HETNAM   2 2GD  DIAMINE                                                         
HETNAM     SO4 SULFATE ION                                                      
FORMUL   2  2GD    C11 H10 CL2 N4                                               
FORMUL   3  SO4    4(O4 S 2-)                                                   
FORMUL   7  HOH   *138(H2 O)                                                    
HELIX    1   1 THR A   44  GLY A   58  1                                  15    
HELIX    2   2 ASP A  109  ILE A  111  5                                   3    
HELIX    3   3 PRO A  112  MET A  116  5                                   5    
HELIX    4   4 TRP A  117  PRO A  118  5                                   2    
HELIX    5   5 ASP A  119  GLN A  129  1                                  11    
SHEET    1   A 4 TRP A  32  ASN A  33  0                                        
SHEET    2   A 4 ARG A  17  LYS A  23 -1  N  GLY A  21   O  ASN A  33           
SHEET    3   A 4 SER A   4  LEU A  13 -1  N  VAL A  12   O  LEU A  19           
SHEET    4   A 4 MET A 101  GLN A 107  0                                        
SHEET    1   B 7 PHE A  35  LYS A  38  0                                        
SHEET    2   B 7 SER A   4  LEU A  13 -1  N  VAL A  10   O  PHE A  35           
SHEET    3   B 7 ARG A  17  LYS A  23 -1  O  LEU A  19   N  VAL A  12           
SHEET    4   B 7 LEU A  80  THR A  88  0                                        
SHEET    5   B 7 HIS A  65  PHE A  74 -1  N  GLY A  68   O  VAL A  85           
SHEET    6   B 7 LYS A 132  GLN A 140  1  O  PHE A 139   N  GLU A  73           
SHEET    7   B 7 THR A 144  VAL A 153 -1  O  ASP A 147   N  LYS A 138           
SHEET    1   C 2 THR A  60  VAL A  61  0                                        
SHEET    2   C 2 ILE A  91  GLN A  92 -1  O  GLN A  92   N  THR A  60           
SITE     1 AC1 10 THR A   8  ASN A  33  GLY A  36  GLY A  37                    
SITE     2 AC1 10 PHE A  72  PHE A  74  VAL A  83  TRP A 117                    
SITE     3 AC1 10 ASP A 119  ASP A 120                                          
SITE     1 AC2  4 HIS A  65  LYS A  66  HOH A 423  HOH A 428                    
SITE     1 AC3  4 LYS A 138  LEU A 146  ASP A 147  HOH A 346                    
SITE     1 AC4  6 ALA A  63  HIS A  65  THR A  88  ASP A  89                    
SITE     2 AC4  6 SER A  90  HOH A 425                                          
SITE     1 AC5  7 ARG A  17  THR A  94  PRO A  95  TRP A 105                    
SITE     2 AC5  7 ARG A 151  HOH A 333  HOH A 337                               
CRYST1   60.378   66.321   36.136  90.00  90.00  90.00 P 21 21 2     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      0.016562  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.015078  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.027673        0.00000