HEADER    TRANSFERASE                             26-NOV-07   3BGD              
TITLE     THIOPURINE S-METHYLTRANSFERASE                                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: THIOPURINE S-METHYLTRANSFERASE;                            
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: THIOPURINE METHYLTRANSFERASE;                               
COMPND   5 EC: 2.1.1.67;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE   3 ORGANISM_COMMON: MOUSE;                                              
SOURCE   4 GENE: TPMT;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET-28A                                   
KEYWDS    METHYLTRANSFERASE, CYTOPLASM, S-ADENOSYL-L-METHIONINE, TRANSFERASE    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.PENG,V.C.YEE                                                        
REVDAT   4   21-FEB-24 3BGD    1       REMARK SEQADV                            
REVDAT   3   25-OCT-17 3BGD    1       REMARK                                   
REVDAT   2   24-FEB-09 3BGD    1       VERSN                                    
REVDAT   1   10-JUN-08 3BGD    0                                                
JRNL        AUTH   Y.PENG,Q.FENG,D.WILK,A.A.ADJEI,O.E.SALAVAGGIONE,             
JRNL        AUTH 2 R.M.WEINSHILBOUM,V.C.YEE                                     
JRNL        TITL   STRUCTURAL BASIS OF SUBSTRATE RECOGNITION IN THIOPURINE      
JRNL        TITL 2 S-METHYLTRANSFERASE                                          
JRNL        REF    BIOCHEMISTRY                  V.102X  6216 2008              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   18484748                                                     
JRNL        DOI    10.1021/BI800102X                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0005                                      
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) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 96.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 35011                          
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) : 0.212                           
REMARK   3   R VALUE            (WORKING SET) : 0.209                           
REMARK   3   FREE R VALUE                     : 0.262                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1850                            
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) : 2.00                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.05                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2142                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 80.67                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2320                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 103                          
REMARK   3   BIN FREE R VALUE                    : 0.3100                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3760                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 92                                      
REMARK   3   SOLVENT ATOMS            : 307                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 24.61                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.65000                                             
REMARK   3    B22 (A**2) : 2.75000                                              
REMARK   3    B33 (A**2) : -1.80000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -0.80000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.204         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.186         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.135         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.796         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.928                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.892                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3956 ; 0.013 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  5346 ; 1.461 ; 1.982       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   462 ; 6.053 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   184 ;34.946 ;23.804       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   682 ;15.522 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    22 ;19.626 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   566 ; 0.094 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2980 ; 0.006 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1813 ; 0.235 ; 0.300       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  2675 ; 0.323 ; 0.500       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   462 ; 0.228 ; 0.500       
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):    57 ; 0.192 ; 0.300       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    18 ; 0.315 ; 0.500       
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):  2371 ; 1.597 ; 2.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  3718 ; 2.409 ; 3.500       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1849 ; 1.628 ; 2.500       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1628 ; 2.259 ; 3.500       
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  : 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 RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 3BGD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-NOV-07.                  
REMARK 100 THE DEPOSITION ID IS D_1000045486.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 23-MAR-06                          
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                       : 19-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97912                            
REMARK 200  MONOCHROMATOR                  : ROSENBAUM-ROCK HIGH-RESOLUTION     
REMARK 200                                   DOUBLE-CRYSTAL MONOCHROMATOR       
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000                    
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK, HKL-2000                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 36877                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 3.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.9                               
REMARK 200  DATA REDUNDANCY                : 2.900                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.07300                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.07                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 83.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.40                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.26300                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: EPMR                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.64                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.39                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20-22% PEG 3350, 0.15M MALIC ACID, PH    
REMARK 280  5.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293.0K              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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       34.89000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A   -19                                                      
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 465     SER A     2                                                      
REMARK 465     LEU A     3                                                      
REMARK 465     ASP A     4                                                      
REMARK 465     MET A     5                                                      
REMARK 465     LYS A     6                                                      
REMARK 465     GLU A     7                                                      
REMARK 465     HIS A     8                                                      
REMARK 465     MET B   -19                                                      
REMARK 465     GLY B   -18                                                      
REMARK 465     SER B   -17                                                      
REMARK 465     SER B   -16                                                      
REMARK 465     HIS B   -15                                                      
REMARK 465     HIS B   -14                                                      
REMARK 465     HIS B   -13                                                      
REMARK 465     HIS B   -12                                                      
REMARK 465     HIS B   -11                                                      
REMARK 465     HIS B   -10                                                      
REMARK 465     SER B    -9                                                      
REMARK 465     SER B    -8                                                      
REMARK 465     GLY B    -7                                                      
REMARK 465     LEU B    -6                                                      
REMARK 465     VAL B    -5                                                      
REMARK 465     PRO B    -4                                                      
REMARK 465     ARG B    -3                                                      
REMARK 465     GLY B    -2                                                      
REMARK 465     SER B    -1                                                      
REMARK 465     HIS B     0                                                      
REMARK 465     MET B     1                                                      
REMARK 465     SER B     2                                                      
REMARK 465     LEU B     3                                                      
REMARK 465     ASP B     4                                                      
REMARK 465     MET B     5                                                      
REMARK 465     LYS B     6                                                      
REMARK 465     GLU B     7                                                      
REMARK 465     HIS B     8                                                      
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   OE1  GLU B    88     NZ   LYS B   114              2.19            
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 137       78.16     37.05                                   
REMARK 500    ALA A 149      -77.67   -118.67                                   
REMARK 500    GLU A 214      101.08   -160.42                                   
REMARK 500    LEU A 230      113.53   -161.45                                   
REMARK 500    HIS B  32       79.83   -103.52                                   
REMARK 500    ALA B 149      -76.58   -114.43                                   
REMARK 500    LEU B 230      114.08   -163.16                                   
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 SAH A 300                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SAH B 300                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PM6 A 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PM6 A 302                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PM6 B 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PM6 B 302                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3BGI   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3BKE   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3BKO   RELATED DB: PDB                                   
DBREF  3BGD A    1   240  UNP    O55060   TPMT_MOUSE       1    240             
DBREF  3BGD B    1   240  UNP    O55060   TPMT_MOUSE       1    240             
SEQADV 3BGD MET A  -19  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD GLY A  -18  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD SER A  -17  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD SER A  -16  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD HIS A  -15  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD HIS A  -14  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD HIS A  -13  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD HIS A  -12  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD HIS A  -11  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD HIS A  -10  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD SER A   -9  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD SER A   -8  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD GLY A   -7  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD LEU A   -6  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD VAL A   -5  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD PRO A   -4  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD ARG A   -3  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD GLY A   -2  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD SER A   -1  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD HIS A    0  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD MET B  -19  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD GLY B  -18  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD SER B  -17  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD SER B  -16  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD HIS B  -15  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD HIS B  -14  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD HIS B  -13  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD HIS B  -12  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD HIS B  -11  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD HIS B  -10  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD SER B   -9  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD SER B   -8  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD GLY B   -7  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD LEU B   -6  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD VAL B   -5  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD PRO B   -4  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD ARG B   -3  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD GLY B   -2  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD SER B   -1  UNP  O55060              EXPRESSION TAG                 
SEQADV 3BGD HIS B    0  UNP  O55060              EXPRESSION TAG                 
SEQRES   1 A  260  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 A  260  LEU VAL PRO ARG GLY SER HIS MET SER LEU ASP MET LYS          
SEQRES   3 A  260  GLU HIS PRO ASP ALA GLU VAL GLN LYS ASN GLN VAL LEU          
SEQRES   4 A  260  THR LEU GLU ASP TRP LYS GLU LYS TRP VAL THR ARG HIS          
SEQRES   5 A  260  ILE SER PHE HIS GLN GLU GLN GLY HIS GLN LEU LEU LYS          
SEQRES   6 A  260  LYS HIS LEU ASP THR PHE LEU LYS GLY GLN SER GLY LEU          
SEQRES   7 A  260  ARG VAL PHE PHE PRO LEU CYS GLY LYS ALA ILE GLU MET          
SEQRES   8 A  260  LYS TRP PHE ALA ASP ARG GLY HIS THR VAL VAL GLY VAL          
SEQRES   9 A  260  GLU ILE SER GLU ILE GLY ILE ARG GLU PHE PHE ALA GLU          
SEQRES  10 A  260  GLN ASN LEU SER TYR THR GLU GLU PRO LEU ALA GLU ILE          
SEQRES  11 A  260  ALA GLY ALA LYS VAL PHE LYS SER SER SER GLY SER ILE          
SEQRES  12 A  260  SER LEU TYR CYS CYS SER ILE PHE ASP LEU PRO ARG ALA          
SEQRES  13 A  260  ASN ILE GLY LYS PHE ASP ARG ILE TRP ASP ARG GLY ALA          
SEQRES  14 A  260  LEU VAL ALA ILE ASN PRO GLY ASP HIS ASP ARG TYR ALA          
SEQRES  15 A  260  ASP ILE ILE LEU SER LEU LEU ARG LYS GLU PHE GLN TYR          
SEQRES  16 A  260  LEU VAL ALA VAL LEU SER TYR ASP PRO THR LYS HIS ALA          
SEQRES  17 A  260  GLY PRO PRO PHE TYR VAL PRO SER ALA GLU LEU LYS ARG          
SEQRES  18 A  260  LEU PHE GLY THR LYS CYS SER MET GLN CYS LEU GLU GLU          
SEQRES  19 A  260  VAL ASP ALA LEU GLU GLU ARG HIS LYS ALA TRP GLY LEU          
SEQRES  20 A  260  ASP TYR LEU PHE GLU LYS LEU TYR LEU LEU THR GLU LYS          
SEQRES   1 B  260  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 B  260  LEU VAL PRO ARG GLY SER HIS MET SER LEU ASP MET LYS          
SEQRES   3 B  260  GLU HIS PRO ASP ALA GLU VAL GLN LYS ASN GLN VAL LEU          
SEQRES   4 B  260  THR LEU GLU ASP TRP LYS GLU LYS TRP VAL THR ARG HIS          
SEQRES   5 B  260  ILE SER PHE HIS GLN GLU GLN GLY HIS GLN LEU LEU LYS          
SEQRES   6 B  260  LYS HIS LEU ASP THR PHE LEU LYS GLY GLN SER GLY LEU          
SEQRES   7 B  260  ARG VAL PHE PHE PRO LEU CYS GLY LYS ALA ILE GLU MET          
SEQRES   8 B  260  LYS TRP PHE ALA ASP ARG GLY HIS THR VAL VAL GLY VAL          
SEQRES   9 B  260  GLU ILE SER GLU ILE GLY ILE ARG GLU PHE PHE ALA GLU          
SEQRES  10 B  260  GLN ASN LEU SER TYR THR GLU GLU PRO LEU ALA GLU ILE          
SEQRES  11 B  260  ALA GLY ALA LYS VAL PHE LYS SER SER SER GLY SER ILE          
SEQRES  12 B  260  SER LEU TYR CYS CYS SER ILE PHE ASP LEU PRO ARG ALA          
SEQRES  13 B  260  ASN ILE GLY LYS PHE ASP ARG ILE TRP ASP ARG GLY ALA          
SEQRES  14 B  260  LEU VAL ALA ILE ASN PRO GLY ASP HIS ASP ARG TYR ALA          
SEQRES  15 B  260  ASP ILE ILE LEU SER LEU LEU ARG LYS GLU PHE GLN TYR          
SEQRES  16 B  260  LEU VAL ALA VAL LEU SER TYR ASP PRO THR LYS HIS ALA          
SEQRES  17 B  260  GLY PRO PRO PHE TYR VAL PRO SER ALA GLU LEU LYS ARG          
SEQRES  18 B  260  LEU PHE GLY THR LYS CYS SER MET GLN CYS LEU GLU GLU          
SEQRES  19 B  260  VAL ASP ALA LEU GLU GLU ARG HIS LYS ALA TRP GLY LEU          
SEQRES  20 B  260  ASP TYR LEU PHE GLU LYS LEU TYR LEU LEU THR GLU LYS          
HET    SAH  A 300      26                                                       
HET    PM6  A 301      10                                                       
HET    PM6  A 302      10                                                       
HET    SAH  B 300      26                                                       
HET    PM6  B 301      10                                                       
HET    PM6  B 302      10                                                       
HETNAM     SAH S-ADENOSYL-L-HOMOCYSTEINE                                        
HETNAM     PM6 9H-PURINE-6-THIOL                                                
HETSYN     PM6 6-MERCAPTOPURINE                                                 
FORMUL   3  SAH    2(C14 H20 N6 O5 S)                                           
FORMUL   4  PM6    4(C5 H4 N4 S)                                                
FORMUL   9  HOH   *307(H2 O)                                                    
HELIX    1   1 PRO A    9  VAL A   13  5                                   5    
HELIX    2   2 THR A   20  ARG A   31  1                                  12    
HELIX    3   3 HIS A   41  LYS A   53  1                                  13    
HELIX    4   4 ILE A   69  ASP A   76  1                                   8    
HELIX    5   5 SER A   87  GLN A   98  1                                  12    
HELIX    6   6 ASP A  132  ASN A  137  5                                   6    
HELIX    7   7 ASN A  154  GLY A  156  5                                   3    
HELIX    8   8 ASP A  157  LEU A  168  1                                  12    
HELIX    9   9 PRO A  195  GLY A  204  1                                  10    
HELIX   10  10 GLU A  219  ALA A  224  1                                   6    
HELIX   11  11 PRO B    9  VAL B   13  5                                   5    
HELIX   12  12 THR B   20  THR B   30  1                                  11    
HELIX   13  13 HIS B   41  LEU B   52  1                                  12    
HELIX   14  14 ILE B   69  ARG B   77  1                                   9    
HELIX   15  15 SER B   87  ASN B   99  1                                  13    
HELIX   16  16 ASP B  132  ASN B  137  5                                   6    
HELIX   17  17 ASN B  154  GLY B  156  5                                   3    
HELIX   18  18 ASP B  157  LEU B  168  1                                  12    
HELIX   19  19 ASP B  183  HIS B  187  5                                   5    
HELIX   20  20 PRO B  195  GLY B  204  1                                  10    
HELIX   21  21 GLU B  219  ALA B  224  1                                   6    
SHEET    1   A 9 TYR A 102  PRO A 106  0                                        
SHEET    2   A 9 LYS A 114  SER A 118 -1  O  VAL A 115   N  GLU A 105           
SHEET    3   A 9 ILE A 123  CYS A 127 -1  O  CYS A 127   N  LYS A 114           
SHEET    4   A 9 THR A  80  VAL A  84  1  N  GLY A  83   O  TYR A 126           
SHEET    5   A 9 ARG A  59  PHE A  62  1  N  VAL A  60   O  THR A  80           
SHEET    6   A 9 PHE A 141  ARG A 147  1  O  ARG A 143   N  PHE A  61           
SHEET    7   A 9 LEU A 169  SER A 181  1  O  ALA A 178   N  ASP A 146           
SHEET    8   A 9 PHE A 231  THR A 238 -1  O  LEU A 237   N  TYR A 175           
SHEET    9   A 9 SER A 208  ASP A 216 -1  N  GLN A 210   O  LEU A 236           
SHEET    1   B 9 TYR B 102  PRO B 106  0                                        
SHEET    2   B 9 LYS B 114  SER B 118 -1  O  VAL B 115   N  GLU B 105           
SHEET    3   B 9 ILE B 123  CYS B 127 -1  O  CYS B 127   N  LYS B 114           
SHEET    4   B 9 THR B  80  VAL B  84  1  N  GLY B  83   O  TYR B 126           
SHEET    5   B 9 ARG B  59  PHE B  62  1  N  VAL B  60   O  THR B  80           
SHEET    6   B 9 PHE B 141  ASP B 146  1  O  ARG B 143   N  PHE B  61           
SHEET    7   B 9 LEU B 169  SER B 181  1  O  ALA B 178   N  ASP B 146           
SHEET    8   B 9 PHE B 231  GLU B 239 -1  O  PHE B 231   N  SER B 181           
SHEET    9   B 9 CYS B 207  ASP B 216 -1  N  LEU B 212   O  LEU B 234           
CISPEP   1 GLY A  189    PRO A  190          0        -2.34                     
CISPEP   2 PRO A  190    PRO A  191          0        -4.56                     
CISPEP   3 GLY B  189    PRO B  190          0        -1.37                     
CISPEP   4 PRO B  190    PRO B  191          0        -0.72                     
SITE     1 AC1 17 LEU A  21  TRP A  24  TRP A  28  PHE A  35                    
SITE     2 AC1 17 LEU A  64  CYS A  65  GLU A  85  ILE A  86                    
SITE     3 AC1 17 CYS A 128  SER A 129  ILE A 130  ARG A 147                    
SITE     4 AC1 17 GLY A 148  HOH A 310  HOH A 321  HOH A 323                    
SITE     5 AC1 17 HOH A 336                                                     
SITE     1 AC2 17 LEU B  21  TRP B  24  TRP B  28  PHE B  35                    
SITE     2 AC2 17 LEU B  64  CYS B  65  GLU B  85  ILE B  86                    
SITE     3 AC2 17 CYS B 128  SER B 129  ILE B 130  ARG B 147                    
SITE     4 AC2 17 GLY B 148  HOH B 310  HOH B 322  HOH B 381                    
SITE     5 AC2 17 HOH B 394                                                     
SITE     1 AC3  5 PHE A  35  ARG A 147  GLY A 148  ALA A 152                    
SITE     2 AC3  5 PRO A 191                                                     
SITE     1 AC4  6 HIS A  47  THR A  50  PHE A  51  GLN A 174                    
SITE     2 AC4  6 LEU A 212  LEU A 236                                          
SITE     1 AC5  5 PHE B  35  ARG B 147  GLY B 148  PRO B 191                    
SITE     2 AC5  5 ARG B 221                                                     
SITE     1 AC6  5 HIS B  47  THR B  50  GLN B 174  LEU B 212                    
SITE     2 AC6  5 LEU B 236                                                     
CRYST1   62.890   69.780   72.229  90.00 115.78  90.00 P 1 21 1      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      0.015901  0.000000  0.007680        0.00000                         
SCALE2      0.000000  0.014331  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015375        0.00000