PDB Short entry for 1CG6
HEADER    TRANSFERASE                             27-MAR-99   1CG6              
TITLE     STRUCTURE OF HUMAN 5'-DEOXY-5'-METHYLTHIOADENOSINE PHOSPHORYLASE      
TITLE    2 COMPLEXED WITH 5'-DEOXY-5'-METHYLTHIOADENOSINE AND SULFATE AT 1.7 A  
TITLE    3 RESOLUTION                                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (5'-DEOXY-5'-METHYLTHIOADENOSINE PHOSPHORYLASE);   
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: MTA PHOSPHORYLASE, MTAP;                                    
COMPND   5 EC: 2.4.2.28;                                                        
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES;                                                       
COMPND   8 OTHER_DETAILS: COMPLEXED WITH 5'-DEOXY-5'-METHYLTHIOADENOSINE AND    
COMPND   9 SULFATE                                                              
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 TISSUE: PLACENTA;                                                    
SOURCE   6 CELLULAR_LOCATION: CYTOPLASM;                                        
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE  10 EXPRESSION_SYSTEM_CELLULAR_LOCATION: CYTOPLASM;                      
SOURCE  11 EXPRESSION_SYSTEM_VECTOR: PET-28A;                                   
SOURCE  12 OTHER_DETAILS: MTAP CDNA WAS ISOLATED FROM A HUMAN PLACENTA CDNA     
SOURCE  13 LIBRARY AND EXPRESSED IN E. COLI                                     
KEYWDS    METHYLTHIOADENOSINE PHOSPHORYLASE, PURINE NUCLEOSIDE PHOSPHORYLASE,   
KEYWDS   2 PURINE SALVAGE, METHYLTHIOADENOSINE, SULFATE, TRANSFERASE            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    T.C.APPLEBY,M.D.ERION,S.E.EALICK                                      
REVDAT   4   13-JUL-11 1CG6    1       VERSN                                    
REVDAT   3   24-FEB-09 1CG6    1       VERSN                                    
REVDAT   2   23-MAY-00 1CG6    1       REMARK                                   
REVDAT   1   05-JUL-99 1CG6    0                                                
JRNL        AUTH   T.C.APPLEBY,M.D.ERION,S.E.EALICK                             
JRNL        TITL   THE STRUCTURE OF HUMAN 5'-DEOXY-5'-METHYLTHIOADENOSINE       
JRNL        TITL 2 PHOSPHORYLASE AT 1.7 A RESOLUTION PROVIDES INSIGHTS INTO     
JRNL        TITL 3 SUBSTRATE BINDING AND CATALYSIS.                             
JRNL        REF    STRUCTURE FOLD.DES.           V.   7   629 1999              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   10404592                                                     
JRNL        DOI    10.1016/S0969-2126(99)80084-7                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.843                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1000000.000                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0010                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 96.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 41325                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.202                           
REMARK   3   FREE R VALUE                     : 0.225                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.100                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 4174                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.003                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 8                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.70                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.78                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 92.60                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 4388                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2870                       
REMARK   3   BIN FREE R VALUE                    : 0.2990                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 9.60                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 467                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.014                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2066                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 25                                      
REMARK   3   SOLVENT ATOMS            : 153                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 18.50                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 21.20                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.20                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.22                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.008                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.25                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.00                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.17                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PARHCSDX.PRO                                   
REMARK   3  PARAMETER FILE  2  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPHCSDX.PRO                                   
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1CG6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-MAR-99.                  
REMARK 100 THE RCSB ID CODE IS RCSB000743.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-JUL-97                          
REMARK 200  TEMPERATURE           (KELVIN) : 93                                 
REMARK 200  PH                             : 7.4                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : CHESS                              
REMARK 200  BEAMLINE                       : F1                                 
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.919                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (SCALA)                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 42292                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.8                               
REMARK 200  DATA REDUNDANCY                : 6.900                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 5.30000                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.4000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.79                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 93.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.00                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 10.60000                           
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 6.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER                        
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 59.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.00                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 12% (W/V) PEG 6000, 25% (V/V) ETHYLENE   
REMARK 280  GLYCOL, 0.2M TRIS-HCL PH 7.8, 0.002M DTT, PH 7.4                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 3 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z                                               
REMARK 290       6555   -X,-X+Y,-Z                                              
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  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: TRIMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 9350 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 30010 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -122.0 KCAL/MOL                       
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   BIOMT1   2 -0.500000 -0.866025  0.000000      122.83000            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000  0.866025  0.000000       61.41500            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000      106.37390            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     ALA A     2                                                      
REMARK 465     SER A     3                                                      
REMARK 465     GLY A     4                                                      
REMARK 465     THR A     5                                                      
REMARK 465     THR A     6                                                      
REMARK 465     THR A     7                                                      
REMARK 465     THR A     8                                                      
REMARK 465     LYS A   225                                                      
REMARK 465     GLU A   226                                                      
REMARK 465     HIS A   227                                                      
REMARK 465     GLU A   228                                                      
REMARK 465     GLU A   229                                                      
REMARK 465     ARG A   282                                                      
REMARK 465     HIS A   283                                                      
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    GLU A  24        2.68    -66.79                                   
REMARK 500    LYS A  51     -119.89     63.94                                   
REMARK 500    HIS A  65       73.81     47.54                                   
REMARK 500    THR A 118      -36.18   -132.26                                   
REMARK 500    SER A 128       16.15   -142.07                                   
REMARK 500    ASP A 222     -122.95     52.71                                   
REMARK 500    CYS A 223       13.66   -142.81                                   
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 SO4 A 295                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MTA A 292                 
DBREF  1CG6 A    1   283  UNP    Q13126   MTAP_HUMAN       1    283             
SEQADV 1CG6 VAL A   56  UNP  Q13126    ILE    56 VARIANT                        
SEQRES   1 A  283  MET ALA SER GLY THR THR THR THR ALA VAL LYS ILE GLY          
SEQRES   2 A  283  ILE ILE GLY GLY THR GLY LEU ASP ASP PRO GLU ILE LEU          
SEQRES   3 A  283  GLU GLY ARG THR GLU LYS TYR VAL ASP THR PRO PHE GLY          
SEQRES   4 A  283  LYS PRO SER ASP ALA LEU ILE LEU GLY LYS ILE LYS ASN          
SEQRES   5 A  283  VAL ASP CYS VAL LEU LEU ALA ARG HIS GLY ARG GLN HIS          
SEQRES   6 A  283  THR ILE MET PRO SER LYS VAL ASN TYR GLN ALA ASN ILE          
SEQRES   7 A  283  TRP ALA LEU LYS GLU GLU GLY CYS THR HIS VAL ILE VAL          
SEQRES   8 A  283  THR THR ALA CYS GLY SER LEU ARG GLU GLU ILE GLN PRO          
SEQRES   9 A  283  GLY ASP ILE VAL ILE ILE ASP GLN PHE ILE ASP ARG THR          
SEQRES  10 A  283  THR MET ARG PRO GLN SER PHE TYR ASP GLY SER HIS SER          
SEQRES  11 A  283  CYS ALA ARG GLY VAL CYS HIS ILE PRO MET ALA GLU PRO          
SEQRES  12 A  283  PHE CYS PRO LYS THR ARG GLU VAL LEU ILE GLU THR ALA          
SEQRES  13 A  283  LYS LYS LEU GLY LEU ARG CYS HIS SER LYS GLY THR MET          
SEQRES  14 A  283  VAL THR ILE GLU GLY PRO ARG PHE SER SER ARG ALA GLU          
SEQRES  15 A  283  SER PHE MET PHE ARG THR TRP GLY ALA ASP VAL ILE ASN          
SEQRES  16 A  283  MET THR THR VAL PRO GLU VAL VAL LEU ALA LYS GLU ALA          
SEQRES  17 A  283  GLY ILE CYS TYR ALA SER ILE ALA MET ALA THR ASP TYR          
SEQRES  18 A  283  ASP CYS TRP LYS GLU HIS GLU GLU ALA VAL SER VAL ASP          
SEQRES  19 A  283  ARG VAL LEU LYS THR LEU LYS GLU ASN ALA ASN LYS ALA          
SEQRES  20 A  283  LYS SER LEU LEU LEU THR THR ILE PRO GLN ILE GLY SER          
SEQRES  21 A  283  THR GLU TRP SER GLU THR LEU HIS ASN LEU LYS ASN MET          
SEQRES  22 A  283  ALA GLN PHE SER VAL LEU LEU PRO ARG HIS                      
HET    SO4  A 295       5                                                       
HET    MTA  A 292      20                                                       
HETNAM     SO4 SULFATE ION                                                      
HETNAM     MTA 5'-DEOXY-5'-METHYLTHIOADENOSINE                                  
FORMUL   2  SO4    O4 S 2-                                                      
FORMUL   3  MTA    C11 H15 N5 O3 S                                              
FORMUL   4  HOH   *153(H2 O)                                                    
HELIX    1   1 PRO A   23  ILE A   25  5                                   3    
HELIX    2   2 PRO A   69  LYS A   71  5                                   3    
HELIX    3   3 TYR A   74  GLU A   83  1                                  10    
HELIX    4   4 PRO A  146  LYS A  158  1                                  13    
HELIX    5   5 ARG A  180  THR A  188  1                                   9    
HELIX    6   6 THR A  198  GLU A  207  1                                  10    
HELIX    7   7 VAL A  233  SER A  260  1                                  28    
HELIX    8   8 SER A  264  SER A  277  1                                  14    
SHEET    1   A 7 ILE A 107  ILE A 109  0                                        
SHEET    2   A 7 CYS A 211  ASP A 220 -1  N  ALA A 216   O  VAL A 108           
SHEET    3   A 7 HIS A  88  GLY A  96  1  N  VAL A  89   O  CYS A 211           
SHEET    4   A 7 LYS A  11  GLY A  16  1  N  GLY A  13   O  HIS A  88           
SHEET    5   A 7 VAL A  53  ALA A  59  1  N  ASP A  54   O  ILE A  12           
SHEET    6   A 7 LEU A  45  ILE A  50 -1  N  ILE A  50   O  VAL A  53           
SHEET    7   A 7 THR A  30  LYS A  32 -1  N  LYS A  32   O  LEU A  45           
SHEET    1   B 3 GLN A 112  ARG A 116  0                                        
SHEET    2   B 3 THR A 168  ILE A 172  1  N  MET A 169   O  GLN A 112           
SHEET    3   B 3 VAL A 193  ASN A 195  1  N  VAL A 193   O  VAL A 170           
CISPEP   1 GLY A  174    PRO A  175          0        -0.10                     
CISPEP   2 VAL A  199    PRO A  200          0         0.25                     
SITE     1 AC1  8 GLY A  17  THR A  18  ARG A  60  HIS A  61                    
SITE     2 AC1  8 THR A  93  ALA A  94  THR A 197  MTA A 292                    
SITE     1 AC2 11 ALA A  94  CYS A  95  GLY A  96  PHE A 177                    
SITE     2 AC2 11 ASN A 195  MET A 196  THR A 219  ASP A 220                    
SITE     3 AC2 11 ASP A 222  SO4 A 295  HOH A 305                               
CRYST1  122.830  122.830   45.000  90.00  90.00 120.00 P 3 2 1       6          
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      0.008141  0.004700  0.000000        0.00000                         
SCALE2      0.000000  0.009401  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.022222        0.00000