PDB Short entry for 1A98
HEADER    PHOSPHORIBOSYLTRANSFERASE               16-APR-98   1A98              
TITLE     XPRTASE FROM E. COLI COMPLEXED WITH GMP                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: XANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE;                
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: XPRT;                                                       
COMPND   5 EC: 2.4.2.22;                                                        
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 STRAIN: HB101;                                                       
SOURCE   5 ATCC: ATCC 37145;                                                    
SOURCE   6 COLLECTION: ATCC 37145;                                              
SOURCE   7 CELLULAR_LOCATION: CYTOPLASM;                                        
SOURCE   8 GENE: GPT;                                                           
SOURCE   9 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  10 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  11 EXPRESSION_SYSTEM_STRAIN: SPHI606;                                   
SOURCE  12 EXPRESSION_SYSTEM_COLLECTION: ATCC 87050;                            
SOURCE  13 EXPRESSION_SYSTEM_CELLULAR_LOCATION: CYTOPLASM;                      
SOURCE  14 EXPRESSION_SYSTEM_VECTOR_TYPE: BACTERIAL;                            
SOURCE  15 EXPRESSION_SYSTEM_PLASMID: PT7-7;                                    
SOURCE  16 EXPRESSION_SYSTEM_GENE: GPT                                          
KEYWDS    PHOSPHORIBOSYLTRANSFERASE, TRANSFERASE, PURINE SALVAGE ENZYME,        
KEYWDS   2 GLYCOSYLTRANSFERASE                                                  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.VOS,R.J.PARRY,M.R.BURNS,J.DE JERSEY,J.L.MARTIN                      
REVDAT   5   02-AUG-23 1A98    1       REMARK                                   
REVDAT   4   03-NOV-21 1A98    1       SEQADV                                   
REVDAT   3   13-JUL-11 1A98    1       VERSN                                    
REVDAT   2   24-FEB-09 1A98    1       VERSN                                    
REVDAT   1   17-JUN-98 1A98    0                                                
JRNL        AUTH   S.VOS,R.J.PARRY,M.R.BURNS,J.DE JERSEY,J.L.MARTIN             
JRNL        TITL   STRUCTURES OF FREE AND COMPLEXED FORMS OF ESCHERICHIA COLI   
JRNL        TITL 2 XANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE.                  
JRNL        REF    J.MOL.BIOL.                   V. 282   875 1998              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   9743633                                                      
JRNL        DOI    10.1006/JMBI.1998.2051                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.25 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.851                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.25                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 100000.000                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 1.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 79.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 11083                          
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) : 0.210                           
REMARK   3   FREE R VALUE                     : 0.224                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.200                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 573                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.009                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.25                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.39                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 68.00                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1520                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3080                       
REMARK   3   BIN FREE R VALUE                    : 0.3260                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 4.60                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 73                           
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.038                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1900                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 66                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 24.00                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 36.10                          
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) : 0.28                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.35                            
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) : 0.32                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.38                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.005                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.100                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.70                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.020                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.440 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.530 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.840 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.850 ; 2.500                
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  : PARAM19.SOL                                    
REMARK   3  PARAMETER FILE  3  : CIS_PEP.PAR                                    
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPHCSDX.PRO                                   
REMARK   3  TOPOLOGY FILE  2   : TOPH19.SOL                                     
REMARK   3  TOPOLOGY FILE  3   : CIS_PEP.TOP                                    
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED                   
REMARK   4                                                                      
REMARK   4 1A98 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_1000170551.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 29-MAR-94                          
REMARK 200  TEMPERATURE           (KELVIN) : 289                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
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                  : NI FILTER                          
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IIC                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : PROCESS (HIGASHI)                  
REMARK 200  DATA SCALING SOFTWARE          : PROCESS (HIGASHI)                  
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 11089                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.250                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 60.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 79.5                               
REMARK 200  DATA REDUNDANCY                : 1.500                              
REMARK 200  R MERGE                    (I) : 0.03700                            
REMARK 200  R SYM                      (I) : 0.03700                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.8000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.25                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.33                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 66.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 1.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.17200                            
REMARK 200  R SYM FOR SHELL            (I) : 0.17200                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200  MOLECULAR REPLACEMENT                                               
REMARK 200 SOFTWARE USED: X-PLOR 3.851                                          
REMARK 200 STARTING MODEL: PDB ENTRY 1NUL                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 43.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.15                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: XPRT WAS CRYSTALLIZED FROM 20% PEG4000   
REMARK 280  IN 0.1 M TRIS-HCL, PH 8.0                                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
REMARK 290       4555   -X+1/2,Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       42.08300            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       35.46350            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       42.08300            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       35.46350            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 9690 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 20190 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -50.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 350   BIOMT1   2 -1.000000  0.000000  0.000000       62.69976            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       49.60556            
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     SER A     2                                                      
REMARK 465     SER A    61                                                      
REMARK 465     SER A    62                                                      
REMARK 465     TYR A    63                                                      
REMARK 465     ASP A    64                                                      
REMARK 465     HIS A    65                                                      
REMARK 465     ASP A    66                                                      
REMARK 465     ASN A    67                                                      
REMARK 465     GLN A    68                                                      
REMARK 465     ARG A    69                                                      
REMARK 465     GLU A    70                                                      
REMARK 465     LEU A    71                                                      
REMARK 465     LYS A    72                                                      
REMARK 465     VAL A    73                                                      
REMARK 465     LEU A    74                                                      
REMARK 465     LYS A    75                                                      
REMARK 465     ARG A    76                                                      
REMARK 465     ALA A    77                                                      
REMARK 465     GLU A    78                                                      
REMARK 465     THR A    93                                                      
REMARK 465     GLY A    94                                                      
REMARK 465     GLY A    95                                                      
REMARK 465     MET B     1                                                      
REMARK 465     SER B     2                                                      
REMARK 465     SER B    62                                                      
REMARK 465     TYR B    63                                                      
REMARK 465     ASP B    64                                                      
REMARK 465     HIS B    65                                                      
REMARK 465     ASP B    66                                                      
REMARK 465     ASN B    67                                                      
REMARK 465     GLN B    68                                                      
REMARK 465     ARG B    69                                                      
REMARK 465     GLU B    70                                                      
REMARK 465     LEU B    71                                                      
REMARK 465     LYS B    72                                                      
REMARK 465     VAL B    73                                                      
REMARK 465     LEU B    74                                                      
REMARK 465     LYS B    75                                                      
REMARK 465     ARG B    76                                                      
REMARK 465     ALA B    77                                                      
REMARK 465     GLU B    78                                                      
REMARK 465     GLY B    79                                                      
REMARK 465     ASP B    80                                                      
REMARK 465     GLY B    94                                                      
REMARK 465     GLY B    95                                                      
REMARK 465     GLY B   151                                                      
REMARK 465     ARG B   152                                                      
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     GLU A   3    CG   CD   OE1  OE2                                  
REMARK 470     LYS A   4    CG   CD   CE   NZ                                   
REMARK 470     LYS A  30    CG   CD   CE   NZ                                   
REMARK 470     ARG A  53    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ILE A  60    CG1  CG2  CD1                                       
REMARK 470     ASP A  80    CG   OD1  OD2                                       
REMARK 470     GLU A  82    CG   CD   OE1  OE2                                  
REMARK 470     VAL A  98    CG1  CG2                                            
REMARK 470     ILE A 100    CG1  CG2  CD1                                       
REMARK 470     ARG A 101    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLU A 102    CG   CD   OE1  OE2                                  
REMARK 470     MET A 103    CG   SD   CE                                        
REMARK 470     LYS A 106    CG   CD   CE   NZ                                   
REMARK 470     ASP A 132    CG   OD1  OD2                                       
REMARK 470     TRP A 134    CG   CD1  CD2  NE1  CE2  CE3  CZ2                   
REMARK 470     TRP A 134    CZ3  CH2                                            
REMARK 470     ARG A 152    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLU B   3    CG   CD   OE1  OE2                                  
REMARK 470     LYS B  30    CG   CD   CE   NZ                                   
REMARK 470     LEU B  40    CG   CD1  CD2                                       
REMARK 470     ARG B  53    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ILE B  60    CG1  CG2  CD1                                       
REMARK 470     SER B  61    OG                                                  
REMARK 470     GLU B  82    CG   CD   OE1  OE2                                  
REMARK 470     THR B  96    OG1  CG2                                            
REMARK 470     VAL B  98    CG1  CG2                                            
REMARK 470     GLU B 102    CG   CD   OE1  OE2                                  
REMARK 470     MET B 103    CG   SD   CE                                        
REMARK 470     LYS B 106    CG   CD   CE   NZ                                   
REMARK 470     SER B 150    OG                                                  
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ASP A 124      146.13   -171.48                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1A98 A    1   152  UNP    P0A9M5   XGPT_ECOLI       1    152             
DBREF  1A98 B    1   152  UNP    P0A9M5   XGPT_ECOLI       1    152             
SEQADV 1A98 ALA A   59  UNP  P0A9M5    CYS    59 ENGINEERED MUTATION            
SEQADV 1A98 ALA B   59  UNP  P0A9M5    CYS    59 ENGINEERED MUTATION            
SEQRES   1 A  152  MET SER GLU LYS TYR ILE VAL THR TRP ASP MET LEU GLN          
SEQRES   2 A  152  ILE HIS ALA ARG LYS LEU ALA SER ARG LEU MET PRO SER          
SEQRES   3 A  152  GLU GLN TRP LYS GLY ILE ILE ALA VAL SER ARG GLY GLY          
SEQRES   4 A  152  LEU VAL PRO GLY ALA LEU LEU ALA ARG GLU LEU GLY ILE          
SEQRES   5 A  152  ARG HIS VAL ASP THR VAL ALA ILE SER SER TYR ASP HIS          
SEQRES   6 A  152  ASP ASN GLN ARG GLU LEU LYS VAL LEU LYS ARG ALA GLU          
SEQRES   7 A  152  GLY ASP GLY GLU GLY PHE ILE VAL ILE ASP ASP LEU VAL          
SEQRES   8 A  152  ASP THR GLY GLY THR ALA VAL ALA ILE ARG GLU MET TYR          
SEQRES   9 A  152  PRO LYS ALA HIS PHE VAL THR ILE PHE ALA LYS PRO ALA          
SEQRES  10 A  152  GLY ARG PRO LEU VAL ASP ASP TYR VAL VAL ASP ILE PRO          
SEQRES  11 A  152  GLN ASP THR TRP ILE GLU GLN PRO TRP ASP MET GLY VAL          
SEQRES  12 A  152  VAL PHE VAL PRO PRO ILE SER GLY ARG                          
SEQRES   1 B  152  MET SER GLU LYS TYR ILE VAL THR TRP ASP MET LEU GLN          
SEQRES   2 B  152  ILE HIS ALA ARG LYS LEU ALA SER ARG LEU MET PRO SER          
SEQRES   3 B  152  GLU GLN TRP LYS GLY ILE ILE ALA VAL SER ARG GLY GLY          
SEQRES   4 B  152  LEU VAL PRO GLY ALA LEU LEU ALA ARG GLU LEU GLY ILE          
SEQRES   5 B  152  ARG HIS VAL ASP THR VAL ALA ILE SER SER TYR ASP HIS          
SEQRES   6 B  152  ASP ASN GLN ARG GLU LEU LYS VAL LEU LYS ARG ALA GLU          
SEQRES   7 B  152  GLY ASP GLY GLU GLY PHE ILE VAL ILE ASP ASP LEU VAL          
SEQRES   8 B  152  ASP THR GLY GLY THR ALA VAL ALA ILE ARG GLU MET TYR          
SEQRES   9 B  152  PRO LYS ALA HIS PHE VAL THR ILE PHE ALA LYS PRO ALA          
SEQRES  10 B  152  GLY ARG PRO LEU VAL ASP ASP TYR VAL VAL ASP ILE PRO          
SEQRES  11 B  152  GLN ASP THR TRP ILE GLU GLN PRO TRP ASP MET GLY VAL          
SEQRES  12 B  152  VAL PHE VAL PRO PRO ILE SER GLY ARG                          
FORMUL   3  HOH   *66(H2 O)                                                     
HELIX    1   1 TRP A    9  ARG A   22  1                                  14    
HELIX    2   2 SER A   26  GLN A   28  5                                   3    
HELIX    3   3 GLY A   38  LEU A   50  1                                  13    
HELIX    4   4 ALA A   97  MET A  103  1                                   7    
HELIX    5   5 PRO A  116  LEU A  121  1                                   6    
HELIX    6   6 PRO A  138  ASP A  140  5                                   3    
HELIX    7   7 TRP B    9  LEU B   23  1                                  15    
HELIX    8   8 SER B   26  GLN B   28  5                                   3    
HELIX    9   9 GLY B   38  LEU B   50  1                                  13    
HELIX   10  10 ALA B   97  MET B  103  1                                   7    
HELIX   11  11 PRO B  138  ASP B  140  5                                   3    
SHEET    1   A 4 VAL A  55  VAL A  58  0                                        
SHEET    2   A 4 GLY A  31  VAL A  35  1  N  ILE A  32   O  ASP A  56           
SHEET    3   A 4 PHE A  84  ASP A  88  1  N  ILE A  85   O  GLY A  31           
SHEET    4   A 4 HIS A 108  THR A 111  1  N  HIS A 108   O  VAL A  86           
SHEET    1   B 4 VAL B  55  VAL B  58  0                                        
SHEET    2   B 4 GLY B  31  VAL B  35  1  N  ILE B  32   O  ASP B  56           
SHEET    3   B 4 PHE B  84  ASP B  88  1  N  ILE B  85   O  GLY B  31           
SHEET    4   B 4 HIS B 108  THR B 111  1  N  HIS B 108   O  VAL B  86           
CISPEP   1 MET A   24    PRO A   25          0        -7.36                     
CISPEP   2 SER A   36    ARG A   37          0         0.00                     
CISPEP   3 MET B   24    PRO B   25          0         0.29                     
CISPEP   4 SER B   36    ARG B   37          0        -0.43                     
CRYST1   84.166   70.927   54.051  90.00 113.40  90.00 C 1 2 1       8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.011881  0.000000  0.005141        0.00000                         
SCALE2      0.000000  0.014099  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.020159        0.00000