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Database: PDB
Entry: 1MXB
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Original site: 1MXB 
HEADER    TRANSFERASE                             10-JAN-96   1MXB              
TITLE     S-ADENOSYLMETHIONINE SYNTHETASE WITH ADP                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: S-ADENOSYLMETHIONINE SYNTHETASE;                           
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: MAT, ATP\:L-METHIONINE S-ADENOSYLTRANSFERASE;               
COMPND   5 EC: 2.5.1.6                                                          
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562                                                  
KEYWDS    TRANSFERASE, ONE-CARBON METABOLISM, ATP-BINDING                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    F.TAKUSAGAWA,S.KAMITORI,G.D.MARKHAM                                   
REVDAT   7   03-APR-24 1MXB    1       REMARK                                   
REVDAT   6   14-FEB-24 1MXB    1       REMARK LINK                              
REVDAT   5   16-NOV-11 1MXB    1       HETATM                                   
REVDAT   4   13-JUL-11 1MXB    1       VERSN                                    
REVDAT   3   24-FEB-09 1MXB    1       VERSN                                    
REVDAT   2   01-APR-03 1MXB    1       JRNL                                     
REVDAT   1   11-JUL-96 1MXB    0                                                
JRNL        AUTH   F.TAKUSAGAWA,S.KAMITORI,G.D.MARKHAM                          
JRNL        TITL   STRUCTURE AND FUNCTION OF S-ADENOSYLMETHIONINE SYNTHETASE:   
JRNL        TITL 2 CRYSTAL STRUCTURES OF S-ADENOSYLMETHIONINE SYNTHETASE WITH   
JRNL        TITL 3 ADP, BRADP, AND PPI AT 28 ANGSTROMS RESOLUTION.              
JRNL        REF    BIOCHEMISTRY                  V.  35  2586 1996              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   8611562                                                      
JRNL        DOI    10.1021/BI952604Z                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 94.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 16033                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.194                           
REMARK   3   FREE R VALUE                     : 0.259                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2899                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 36                                      
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 31.80                          
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) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.010                           
REMARK   3   BOND ANGLES            (DEGREES) : 3.040                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 25.50                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 2.460                           
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  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  RESIDUES 102 - 107 WERE NOT FOUND DUE TO HIGH                       
REMARK   3  TEMPERATURE FACTORS.                                                
REMARK   4                                                                      
REMARK   4 1MXB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000175183.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 298                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 6                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RUH2R                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : GRAPHITE(002)                      
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : AREA DETECTOR                      
REMARK 200  DETECTOR MANUFACTURER          : XUONG-HAMLIN MULTIWIRE             
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : KUAVST, KUMDS                      
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 16033                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 10.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 94.4                               
REMARK 200  DATA REDUNDANCY                : 5.000                              
REMARK 200  R MERGE                    (I) : 0.05300                            
REMARK 200  R SYM                      (I) : NULL                               
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) : 2.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.00                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 87.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.22000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.800                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: X-PLOR 3.1                                            
REMARK 200 STARTING MODEL: MAT ITSELF                                           
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 63.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.99                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.5                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 62 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   -X,-Y,Z                                                 
REMARK 290       5555   Y,-X+Y,Z+2/3                                            
REMARK 290       6555   X-Y,X,Z+1/3                                             
REMARK 290       7555   Y,X,-Z+2/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+1/3                                          
REMARK 290      10555   -Y,-X,-Z+2/3                                            
REMARK 290      11555   -X+Y,Y,-Z                                               
REMARK 290      12555   X,X-Y,-Z+1/3                                            
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       93.20000            
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       46.60000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       93.20000            
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       46.60000            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       93.20000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000       46.60000            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       93.20000            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       46.60000            
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 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 7840 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 24720 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -87.0 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        0.00000            
REMARK 350   BIOMT2   2 -0.866025  0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       46.60000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 19180 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 45930 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -200.0 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 -1.000000  0.000000  0.000000      -64.45000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000      111.63067            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000 -0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   3 -0.866025  0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   3  0.000000  0.000000 -1.000000       46.60000            
REMARK 350   BIOMT1   4  0.500000  0.866025  0.000000      -64.45000            
REMARK 350   BIOMT2   4  0.866025 -0.500000  0.000000      111.63067            
REMARK 350   BIOMT3   4  0.000000  0.000000 -1.000000       46.60000            
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 K      K A 414  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     ASN A   103                                                      
REMARK 465     GLN A   104                                                      
REMARK 465     GLY A   105                                                      
REMARK 465     VAL A   106                                                      
REMARK 465     ASP A   107                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ILE A 102    CA   C    O    CB   CG1  CG2  CD1                   
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    HIS A   3   NE2   HIS A   3   CD2    -0.068                       
REMARK 500    HIS A  79   NE2   HIS A  79   CD2    -0.070                       
REMARK 500    HIS A 142   NE2   HIS A 142   CD2    -0.068                       
REMARK 500    HIS A 189   NE2   HIS A 189   CD2    -0.075                       
REMARK 500    HIS A 257   NE2   HIS A 257   CD2    -0.081                       
REMARK 500    HIS A 348   NE2   HIS A 348   CD2    -0.076                       
REMARK 500    HIS A 359   NE2   HIS A 359   CD2    -0.068                       
REMARK 500    HIS A 364   NE2   HIS A 364   CD2    -0.079                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ASP A  16   CB  -  CG  -  OD1 ANGL. DEV. =   6.8 DEGREES          
REMARK 500    TRP A  61   CD1 -  CG  -  CD2 ANGL. DEV. =   6.5 DEGREES          
REMARK 500    TRP A  61   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.9 DEGREES          
REMARK 500    TRP A 159   CD1 -  CG  -  CD2 ANGL. DEV. =   6.5 DEGREES          
REMARK 500    TRP A 159   CE2 -  CD2 -  CG  ANGL. DEV. =  -6.2 DEGREES          
REMARK 500    TRP A 215   CD1 -  CG  -  CD2 ANGL. DEV. =   6.4 DEGREES          
REMARK 500    TRP A 215   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.4 DEGREES          
REMARK 500    THR A 250   N   -  CA  -  CB  ANGL. DEV. = -14.6 DEGREES          
REMARK 500    THR A 250   CA  -  CB  -  CG2 ANGL. DEV. =  11.3 DEGREES          
REMARK 500    ASP A 271   CB  -  CG  -  OD1 ANGL. DEV. =   7.9 DEGREES          
REMARK 500    ARG A 336   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.9 DEGREES          
REMARK 500    LEU A 340   CA  -  CB  -  CG  ANGL. DEV. =  15.0 DEGREES          
REMARK 500    ARG A 362   NE  -  CZ  -  NH1 ANGL. DEV. =   3.5 DEGREES          
REMARK 500    ARG A 362   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.3 DEGREES          
REMARK 500    TRP A 367   CD1 -  CG  -  CD2 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    TRP A 367   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.5 DEGREES          
REMARK 500    ARG A 377   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.7 DEGREES          
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    ALA A  60      158.85    -49.34                                   
REMARK 500    ASP A 118      147.30     71.88                                   
REMARK 500    ILE A 206      -63.22   -102.63                                   
REMARK 500    ASN A 225       56.63     34.28                                   
REMARK 500    ASP A 238     -158.81   -123.66                                   
REMARK 500    LYS A 245       42.50    -89.63                                   
REMARK 500    THR A 250      -90.17    -66.45                                   
REMARK 500    TYR A 251       20.44   -158.13                                   
REMARK 500    GLU A 331      -60.53   -101.57                                   
REMARK 500    ASP A 345       72.21     35.71                                   
REMARK 500    PRO A 349       81.47    -65.13                                   
REMARK 500    TYR A 357        4.14     81.25                                   
REMARK 500    GLU A 363      -24.59    -30.21                                   
REMARK 500    ASP A 378      -70.99    -55.67                                   
REMARK 500    LEU A 382      137.12    -39.18                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 GLY A   48     MET A   49                 -147.39                    
REMARK 500 ASP A  173     ASP A  174                 -121.97                    
REMARK 500 THR A  227     GLY A  228                 -120.16                    
REMARK 500 GLY A  228     ARG A  229                  128.66                    
REMARK 500 GLY A  259     GLY A  260                 -128.05                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    TYR A 140         0.15    SIDE CHAIN                              
REMARK 500    ARG A 244         0.12    SIDE CHAIN                              
REMARK 500    TYR A 276         0.08    SIDE CHAIN                              
REMARK 500    TYR A 280         0.06    SIDE CHAIN                              
REMARK 500    ARG A 336         0.10    SIDE CHAIN                              
REMARK 500    TYR A 357         0.08    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 412  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  16   OD2                                                    
REMARK 620 2 ASP A  16   OD1  55.6                                              
REMARK 620 3 PO4 A 384   O2   97.7 129.9                                        
REMARK 620 4 ADP A 385   O1A 120.3 154.9  73.7                                  
REMARK 620 5 ADP A 385   O3B  63.3 117.1  68.8  58.6                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A 413   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  42   OE1                                                    
REMARK 620 2 GLU A  42   OE2  43.0                                              
REMARK 620 3 SER A 263   O   130.0 172.3                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A 414   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLY A 243   O                                                      
REMARK 620 2 GLY A 243   O   110.5                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 411  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 271   OD1                                                    
REMARK 620 2 ASP A 271   OD2  56.3                                              
REMARK 620 3 PO4 A 384   O4  113.5 100.6                                        
REMARK 620 4 ADP A 385   O2B 171.5 127.5  74.2                                  
REMARK 620 5 ADP A 385   O2A 123.8  69.1  62.5  62.3                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 384                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 411                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 412                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 413                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 414                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ADP A 385                 
DBREF  1MXB A    1   383  UNP    P0A817   METK_ECOLI       2    384             
SEQRES   1 A  383  ALA LYS HIS LEU PHE THR SER GLU SER VAL SER GLU GLY          
SEQRES   2 A  383  HIS PRO ASP LYS ILE ALA ASP GLN ILE SER ASP ALA VAL          
SEQRES   3 A  383  LEU ASP ALA ILE LEU GLU GLN ASP PRO LYS ALA ARG VAL          
SEQRES   4 A  383  ALA CYS GLU THR TYR VAL LYS THR GLY MET VAL LEU VAL          
SEQRES   5 A  383  GLY GLY GLU ILE THR THR SER ALA TRP VAL ASP ILE GLU          
SEQRES   6 A  383  GLU ILE THR ARG ASN THR VAL ARG GLU ILE GLY TYR VAL          
SEQRES   7 A  383  HIS SER ASP MET GLY PHE ASP ALA ASN SER CYS ALA VAL          
SEQRES   8 A  383  LEU SER ALA ILE GLY LYS GLN SER PRO ASP ILE ASN GLN          
SEQRES   9 A  383  GLY VAL ASP ARG ALA ASP PRO LEU GLU GLN GLY ALA GLY          
SEQRES  10 A  383  ASP GLN GLY LEU MET PHE GLY TYR ALA THR ASN GLU THR          
SEQRES  11 A  383  ASP VAL LEU MET PRO ALA PRO ILE THR TYR ALA HIS ARG          
SEQRES  12 A  383  LEU VAL GLN ARG GLN ALA GLU VAL ARG LYS ASN GLY THR          
SEQRES  13 A  383  LEU PRO TRP LEU ARG PRO ASP ALA LYS SER GLN VAL THR          
SEQRES  14 A  383  PHE GLN TYR ASP ASP GLY LYS ILE VAL GLY ILE ASP ALA          
SEQRES  15 A  383  VAL VAL LEU SER THR GLN HIS SER GLU GLU ILE ASP GLN          
SEQRES  16 A  383  LYS SER LEU GLN GLU ALA VAL MET GLU GLU ILE ILE LYS          
SEQRES  17 A  383  PRO ILE LEU PRO ALA GLU TRP LEU THR SER ALA THR LYS          
SEQRES  18 A  383  PHE PHE ILE ASN PRO THR GLY ARG PHE VAL ILE GLY GLY          
SEQRES  19 A  383  PRO MET GLY ASP CYS GLY LEU THR GLY ARG LYS ILE ILE          
SEQRES  20 A  383  VAL ASP THR TYR GLY GLY MET ALA ARG HIS GLY GLY GLY          
SEQRES  21 A  383  ALA PHE SER GLY LYS ASP PRO SER LYS VAL ASP ARG SER          
SEQRES  22 A  383  ALA ALA TYR ALA ALA ARG TYR VAL ALA LYS ASN ILE VAL          
SEQRES  23 A  383  ALA ALA GLY LEU ALA ASP ARG CYS GLU ILE GLN VAL SER          
SEQRES  24 A  383  TYR ALA ILE GLY VAL ALA GLU PRO THR SER ILE MET VAL          
SEQRES  25 A  383  GLU THR PHE GLY THR GLU LYS VAL PRO SER GLU GLN LEU          
SEQRES  26 A  383  THR LEU LEU VAL ARG GLU PHE PHE ASP LEU ARG PRO TYR          
SEQRES  27 A  383  GLY LEU ILE GLN MET LEU ASP LEU LEU HIS PRO ILE TYR          
SEQRES  28 A  383  LYS GLU THR ALA ALA TYR GLY HIS PHE GLY ARG GLU HIS          
SEQRES  29 A  383  PHE PRO TRP GLU LYS THR ASP LYS ALA GLN LEU LEU ARG          
SEQRES  30 A  383  ASP ALA ALA GLY LEU LYS                                      
HET    PO4  A 384       5                                                       
HET     MG  A 411       1                                                       
HET     MG  A 412       1                                                       
HET      K  A 413       1                                                       
HET      K  A 414       1                                                       
HET    ADP  A 385      31                                                       
HETNAM     PO4 PHOSPHATE ION                                                    
HETNAM      MG MAGNESIUM ION                                                    
HETNAM       K POTASSIUM ION                                                    
HETNAM     ADP ADENOSINE-5'-DIPHOSPHATE                                         
FORMUL   2  PO4    O4 P 3-                                                      
FORMUL   3   MG    2(MG 2+)                                                     
FORMUL   5    K    2(K 1+)                                                      
FORMUL   7  ADP    C10 H15 N5 O10 P2                                            
HELIX    1   1 PRO A   15  GLN A   33  1                                  19    
HELIX    2   2 ILE A   64  ILE A   75  1                                  12    
HELIX    3   3 SER A   80  MET A   82  5                                   3    
HELIX    4   4 PRO A  111  GLU A  113  5                                   3    
HELIX    5   5 ALA A  136  LYS A  153  1                                  18    
HELIX    6   6 GLN A  195  GLU A  205  1                                  11    
HELIX    7   7 ALA A  213  TRP A  215  5                                   3    
HELIX    8   8 ILE A  246  THR A  250  1                                   5    
HELIX    9   9 VAL A  270  ALA A  287  1                                  18    
HELIX   10  10 SER A  322  PHE A  332  1                                  11    
HELIX   11  11 PRO A  337  MET A  343  1                                   7    
HELIX   12  12 LYS A  352  ALA A  355  5                                   4    
HELIX   13  13 PRO A  366  GLU A  368  5                                   3    
HELIX   14  14 ALA A  373  ALA A  379  1                                   7    
SHEET    1   A 4 HIS A   3  VAL A  10  0                                        
SHEET    2   A 4 ALA A 164  TYR A 172 -1  N  TYR A 172   O  HIS A   3           
SHEET    3   A 4 ALA A 182  THR A 187 -1  N  SER A 186   O  LYS A 165           
SHEET    4   A 4 LYS A 221  ILE A 224  1  N  LYS A 221   O  VAL A 183           
SHEET    1   B 3 ARG A  38  LYS A  46  0                                        
SHEET    2   B 3 MET A  49  THR A  57 -1  N  THR A  57   O  ARG A  38           
SHEET    3   B 3 ALA A  90  GLN A  98  1  N  ALA A  90   O  VAL A  50           
SHEET    1   C 3 GLY A 120  THR A 127  0                                        
SHEET    2   C 3 ARG A 293  TYR A 300 -1  N  TYR A 300   O  GLY A 120           
SHEET    3   C 3 SER A 309  THR A 314 -1  N  GLU A 313   O  GLU A 295           
SHEET    1   D 2 PHE A 170  ASP A 173  0                                        
SHEET    2   D 2 LYS A 176  ILE A 180 -1  N  GLY A 179   O  GLN A 171           
LINK         OD2 ASP A  16                MG    MG A 412     9555   1555  2.19  
LINK         OD1 ASP A  16                MG    MG A 412     9555   1555  2.22  
LINK         OE1 GLU A  42                 K     K A 413     1555   1555  2.65  
LINK         OE2 GLU A  42                 K     K A 413     1555   1555  3.00  
LINK         O   GLY A 243                 K     K A 414     1555   1555  2.51  
LINK         O   GLY A 243                 K     K A 414     9555   1555  2.52  
LINK         O   SER A 263                 K     K A 413     1555   1555  2.62  
LINK         OD1 ASP A 271                MG    MG A 411     1555   1555  2.19  
LINK         OD2 ASP A 271                MG    MG A 411     1555   1555  2.15  
LINK         O4  PO4 A 384                MG    MG A 411     1555   1555  2.25  
LINK         O2  PO4 A 384                MG    MG A 412     1555   1555  2.01  
LINK         O2B ADP A 385                MG    MG A 411     1555   1555  2.12  
LINK         O2A ADP A 385                MG    MG A 411     1555   1555  2.99  
LINK         O1A ADP A 385                MG    MG A 412     1555   1555  2.14  
LINK         O3B ADP A 385                MG    MG A 412     1555   1555  2.90  
SITE     1 AC1 10 ASP A  16  ARG A 244  LYS A 245  GLY A 260                    
SITE     2 AC1 10 ALA A 261  LYS A 265  ASP A 271  ADP A 385                    
SITE     3 AC1 10  MG A 411   MG A 412                                          
SITE     1 AC2  3 ASP A 271  PO4 A 384  ADP A 385                               
SITE     1 AC3  3 ASP A  16  PO4 A 384  ADP A 385                               
SITE     1 AC4  3 GLU A  42  SER A 263  LYS A 265                               
SITE     1 AC5  2 GLY A 243  ILE A 246                                          
SITE     1 AC6 16 HIS A  14  ASP A  16  ARG A  38  ALA A  40                    
SITE     2 AC6 16 GLU A  55  GLN A  98  ASP A 118  LYS A 165                    
SITE     3 AC6 16 GLY A 237  LYS A 245  LYS A 265  LYS A 269                    
SITE     4 AC6 16 ASP A 271  PO4 A 384   MG A 411   MG A 412                    
CRYST1  128.900  128.900  139.800  90.00  90.00 120.00 P 62 2 2     12          
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      0.007758  0.004479  0.000000        0.00000                         
SCALE2      0.000000  0.008958  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007153        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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