HEADER    TRANSFERASE                             07-JUN-00   1F4C              
TITLE     CRYSTAL STRUCTURE OF E. COLI THYMIDYLATE SYNTHASE COVALENTLY MODIFIED 
TITLE    2 AT C146 WITH N-[TOSYL-D-PROLINYL]AMINO-ETHANETHIOL                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: THYMIDYLATE SYNTHASE;                                      
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 EC: 2.1.1.45;                                                        
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: C2913;                                     
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PTHYAWT                                   
KEYWDS    E. COLI THYMIDYLATE SYNTHASE MODIFIED AT CYSTEINE 146, TRANSFERASE    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.A.ERLANSON,A.C.BRAISTED,D.R.RAPHAEL,M.RANDAL,R.M.STROUD,E.GORDON,   
AUTHOR   2 J.A.WELLS                                                            
REVDAT  10   20-NOV-24 1F4C    1       REMARK                                   
REVDAT   9   03-NOV-21 1F4C    1       REMARK SEQADV LINK                       
REVDAT   8   28-FEB-18 1F4C    1       REMARK                                   
REVDAT   7   31-JAN-18 1F4C    1       REMARK                                   
REVDAT   6   04-OCT-17 1F4C    1       REMARK                                   
REVDAT   5   13-JUL-11 1F4C    1       VERSN                                    
REVDAT   4   24-FEB-09 1F4C    1       VERSN                                    
REVDAT   3   01-APR-03 1F4C    1       JRNL                                     
REVDAT   2   29-NOV-00 1F4C    1       JRNL                                     
REVDAT   1   22-JUN-00 1F4C    0                                                
JRNL        AUTH   D.A.ERLANSON,A.C.BRAISTED,D.R.RAPHAEL,M.RANDAL,R.M.STROUD,   
JRNL        AUTH 2 E.M.GORDON,J.A.WELLS                                         
JRNL        TITL   SITE-DIRECTED LIGAND DISCOVERY.                              
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V.  97  9367 2000              
JRNL        REFN                   ISSN 0027-8424                               
JRNL        PMID   10944209                                                     
JRNL        DOI    10.1073/PNAS.97.17.9367                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 41001                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.202                           
REMARK   3   R VALUE            (WORKING SET) : 0.198                           
REMARK   3   FREE R VALUE                     : 0.268                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2052                            
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4271                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 73                                      
REMARK   3   SOLVENT ATOMS            : 509                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 26.90                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 34.70                          
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.200         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.190         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.150         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.450         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.010 ; 0.020               
REMARK   3    ANGLE DISTANCE                  (A) : 0.030 ; 0.040               
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : 0.035 ; 0.050               
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : 0.113 ; 0.150               
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : 0.178 ; 0.300               
REMARK   3    MULTIPLE TORSION                (A) : 0.240 ; 0.300               
REMARK   3    H-BOND (X...Y)                  (A) : 0.139 ; 0.300               
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : 0.000 ; 15.000              
REMARK   3    PLANAR                    (DEGREES) : 4.100 ; 7.000               
REMARK   3    STAGGERED                 (DEGREES) : 14.700; 15.000              
REMARK   3    TRANSVERSE                (DEGREES) : 26.900; 20.000              
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.430 ; 2.000                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.170 ; 3.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.510 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.290 ; 3.000                
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1F4C COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-JUN-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000011226.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 18-FEB-99                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0                                
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 RUH3R                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : R-AXIS                             
REMARK 200  DATA SCALING SOFTWARE          : D*TREK                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 41001                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
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     (%) : 98.8                               
REMARK 200  DATA REDUNDANCY                : 2.400                              
REMARK 200  R MERGE                    (I) : 0.04400                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 14.7000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.07                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 94.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.15                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.26000                            
REMARK 200  R SYM FOR SHELL            (I) : 28.2000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.800                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 2.0 M AMMONIUM SULPHATE, 20 MM           
REMARK 280  POTASSIUM PHOSPHATE, 0.2 M EDTA, PH 7.0, VAPOR DIFFUSION,           
REMARK 280  HANGING DROP, TEMPERATURE 20.0K, TEMPERATURE 293.0K                 
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 63                             
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   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+1/2                                            
REMARK 290       6555   X-Y,X,Z+1/2                                             
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 -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       33.51000            
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       33.51000            
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       33.51000            
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 300 REMARK: THE ASYMMETRIC UNIT CONTAINS THE BIOLOGICALLY RELEVANT       
REMARK 300 HOMODIMER                                                            
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                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 7190 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 20340 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -97.0 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 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     ALA A   263                                                      
REMARK 465     ILE A   264                                                      
REMARK 465     VAL B   262                                                      
REMARK 465     ALA B   263                                                      
REMARK 465     ILE B   264                                                      
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    LYS A  18   CA  -  CB  -  CG  ANGL. DEV. =  29.9 DEGREES          
REMARK 500    ASP A 110   CB  -  CG  -  OD2 ANGL. DEV. =   6.8 DEGREES          
REMARK 500    ARG A 126   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500    ARG A 127   NE  -  CZ  -  NH1 ANGL. DEV. =   6.2 DEGREES          
REMARK 500    ARG A 127   NE  -  CZ  -  NH2 ANGL. DEV. =  -6.3 DEGREES          
REMARK 500    TYR A 153   CB  -  CG  -  CD2 ANGL. DEV. =  -4.1 DEGREES          
REMARK 500    ARG A 225   CG  -  CD  -  NE  ANGL. DEV. =  12.8 DEGREES          
REMARK 500    ARG A 225   CD  -  NE  -  CZ  ANGL. DEV. =  10.1 DEGREES          
REMARK 500    ARG A 225   NE  -  CZ  -  NH1 ANGL. DEV. =   4.0 DEGREES          
REMARK 500    ARG A 225   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.5 DEGREES          
REMARK 500    ARG B  35   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.4 DEGREES          
REMARK 500    TRP B  61   CA  -  CB  -  CG  ANGL. DEV. =  13.3 DEGREES          
REMARK 500    ARG B 107   CD  -  NE  -  CZ  ANGL. DEV. =  11.7 DEGREES          
REMARK 500    ARG B 107   NE  -  CZ  -  NH1 ANGL. DEV. =   3.2 DEGREES          
REMARK 500    ARG B 107   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.1 DEGREES          
REMARK 500    ARG B 126   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.7 DEGREES          
REMARK 500    PHE B 149   CA  -  CB  -  CG  ANGL. DEV. =  14.7 DEGREES          
REMARK 500    ARG B 222   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.1 DEGREES          
REMARK 500    ARG B 225   NE  -  CZ  -  NH1 ANGL. DEV. =   5.4 DEGREES          
REMARK 500    ARG B 234   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500    ARG B 234   NE  -  CZ  -  NH2 ANGL. DEV. =   3.2 DEGREES          
REMARK 500    ARG B 243   NE  -  CZ  -  NH1 ANGL. DEV. =   4.2 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    THR A  24      105.32    -31.15                                   
REMARK 500    TYR A  94      -77.24     -6.63                                   
REMARK 500    ALA A 100       63.65   -154.52                                   
REMARK 500    TYR B  94      -75.79    -15.91                                   
REMARK 500    ALA B 100       56.29   -147.42                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    GLU A  14         11.60                                           
REMARK 500    GLY A  41         10.07                                           
REMARK 500    HIS B 147         12.38                                           
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 701                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 711                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 712                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 713                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 714                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TP2 A 801                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TP2 B 802                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 702                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1F4B   RELATED DB: PDB                                   
REMARK 900 1F4B CONTAINS THE SAME PROTEIN                                       
REMARK 900 RELATED ID: 1F4D   RELATED DB: PDB                                   
REMARK 900 1F4D CONTAINS A MUTANT FORM OF THE SAME PROTEIN COVALENTLY MODIFIED  
REMARK 900 AT C143 WITH N-[TOSYL-D-PROLINYL]AMINO-ETHANETHIOL                   
REMARK 900 RELATED ID: 1F4E   RELATED DB: PDB                                   
REMARK 900 1F4E CONTAINS THE SAME PROTEIN COMPLEXED WITH TOSYL-D-PROLINE        
REMARK 900 RELATED ID: 1F4F   RELATED DB: PDB                                   
REMARK 900 1F4F CONTAINS THE SAME PROTEIN COMPLEXED WITH SP-722                 
REMARK 900 RELATED ID: 1F4G   RELATED DB: PDB                                   
REMARK 900 1F4G CONTAINS THE SAME PROTEIN COMPLEXED WITH SP-876                 
DBREF  1F4C A    1   264  UNP    P0A884   TYSY_ECOLI       1    264             
DBREF  1F4C B    1   264  UNP    P0A884   TYSY_ECOLI       1    264             
SEQADV 1F4C CXM A    1  UNP  P0A884    MET     1 ENGINEERED MUTATION            
SEQADV 1F4C CXM B    1  UNP  P0A884    MET     1 ENGINEERED MUTATION            
SEQRES   1 A  264  CXM LYS GLN TYR LEU GLU LEU MET GLN LYS VAL LEU ASP          
SEQRES   2 A  264  GLU GLY THR GLN LYS ASN ASP ARG THR GLY THR GLY THR          
SEQRES   3 A  264  LEU SER ILE PHE GLY HIS GLN MET ARG PHE ASN LEU GLN          
SEQRES   4 A  264  ASP GLY PHE PRO LEU VAL THR THR LYS ARG CYS HIS LEU          
SEQRES   5 A  264  ARG SER ILE ILE HIS GLU LEU LEU TRP PHE LEU GLN GLY          
SEQRES   6 A  264  ASP THR ASN ILE ALA TYR LEU HIS GLU ASN ASN VAL THR          
SEQRES   7 A  264  ILE TRP ASP GLU TRP ALA ASP GLU ASN GLY ASP LEU GLY          
SEQRES   8 A  264  PRO VAL TYR GLY LYS GLN TRP ARG ALA TRP PRO THR PRO          
SEQRES   9 A  264  ASP GLY ARG HIS ILE ASP GLN ILE THR THR VAL LEU ASN          
SEQRES  10 A  264  GLN LEU LYS ASN ASP PRO ASP SER ARG ARG ILE ILE VAL          
SEQRES  11 A  264  SER ALA TRP ASN VAL GLY GLU LEU ASP LYS MET ALA LEU          
SEQRES  12 A  264  ALA PRO CYS HIS ALA PHE PHE GLN PHE TYR VAL ALA ASP          
SEQRES  13 A  264  GLY LYS LEU SER CYS GLN LEU TYR GLN ARG SER CYS ASP          
SEQRES  14 A  264  VAL PHE LEU GLY LEU PRO PHE ASN ILE ALA SER TYR ALA          
SEQRES  15 A  264  LEU LEU VAL HIS MET MET ALA GLN GLN CYS ASP LEU GLU          
SEQRES  16 A  264  VAL GLY ASP PHE VAL TRP THR GLY GLY ASP THR HIS LEU          
SEQRES  17 A  264  TYR SER ASN HIS MET ASP GLN THR HIS LEU GLN LEU SER          
SEQRES  18 A  264  ARG GLU PRO ARG PRO LEU PRO LYS LEU ILE ILE LYS ARG          
SEQRES  19 A  264  LYS PRO GLU SER ILE PHE ASP TYR ARG PHE GLU ASP PHE          
SEQRES  20 A  264  GLU ILE GLU GLY TYR ASP PRO HIS PRO GLY ILE LYS ALA          
SEQRES  21 A  264  PRO VAL ALA ILE                                              
SEQRES   1 B  264  CXM LYS GLN TYR LEU GLU LEU MET GLN LYS VAL LEU ASP          
SEQRES   2 B  264  GLU GLY THR GLN LYS ASN ASP ARG THR GLY THR GLY THR          
SEQRES   3 B  264  LEU SER ILE PHE GLY HIS GLN MET ARG PHE ASN LEU GLN          
SEQRES   4 B  264  ASP GLY PHE PRO LEU VAL THR THR LYS ARG CYS HIS LEU          
SEQRES   5 B  264  ARG SER ILE ILE HIS GLU LEU LEU TRP PHE LEU GLN GLY          
SEQRES   6 B  264  ASP THR ASN ILE ALA TYR LEU HIS GLU ASN ASN VAL THR          
SEQRES   7 B  264  ILE TRP ASP GLU TRP ALA ASP GLU ASN GLY ASP LEU GLY          
SEQRES   8 B  264  PRO VAL TYR GLY LYS GLN TRP ARG ALA TRP PRO THR PRO          
SEQRES   9 B  264  ASP GLY ARG HIS ILE ASP GLN ILE THR THR VAL LEU ASN          
SEQRES  10 B  264  GLN LEU LYS ASN ASP PRO ASP SER ARG ARG ILE ILE VAL          
SEQRES  11 B  264  SER ALA TRP ASN VAL GLY GLU LEU ASP LYS MET ALA LEU          
SEQRES  12 B  264  ALA PRO CYS HIS ALA PHE PHE GLN PHE TYR VAL ALA ASP          
SEQRES  13 B  264  GLY LYS LEU SER CYS GLN LEU TYR GLN ARG SER CYS ASP          
SEQRES  14 B  264  VAL PHE LEU GLY LEU PRO PHE ASN ILE ALA SER TYR ALA          
SEQRES  15 B  264  LEU LEU VAL HIS MET MET ALA GLN GLN CYS ASP LEU GLU          
SEQRES  16 B  264  VAL GLY ASP PHE VAL TRP THR GLY GLY ASP THR HIS LEU          
SEQRES  17 B  264  TYR SER ASN HIS MET ASP GLN THR HIS LEU GLN LEU SER          
SEQRES  18 B  264  ARG GLU PRO ARG PRO LEU PRO LYS LEU ILE ILE LYS ARG          
SEQRES  19 B  264  LYS PRO GLU SER ILE PHE ASP TYR ARG PHE GLU ASP PHE          
SEQRES  20 B  264  GLU ILE GLU GLY TYR ASP PRO HIS PRO GLY ILE LYS ALA          
SEQRES  21 B  264  PRO VAL ALA ILE                                              
MODRES 1F4C CXM A    1  MET  N-CARBOXYMETHIONINE                                
MODRES 1F4C CXM B    1  MET  N-CARBOXYMETHIONINE                                
HET    CXM  A   1      11                                                       
HET    CXM  B   1      11                                                       
HET    SO4  A 701       5                                                       
HET    SO4  A 711       5                                                       
HET    SO4  A 712       5                                                       
HET    TP2  A 801      21                                                       
HET    SO4  B 713       5                                                       
HET    SO4  B 714       5                                                       
HET    TP2  B 802      21                                                       
HET    GOL  B 702       6                                                       
HETNAM     CXM N-CARBOXYMETHIONINE                                              
HETNAM     SO4 SULFATE ION                                                      
HETNAM     TP2 N-[TOSYL-D-PROLINYL]AMINO-ETHANETHIOL                            
HETNAM     GOL GLYCEROL                                                         
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   1  CXM    2(C6 H11 N O4 S)                                             
FORMUL   3  SO4    5(O4 S 2-)                                                   
FORMUL   6  TP2    2(C14 H20 N2 O3 S2)                                          
FORMUL  10  GOL    C3 H8 O3                                                     
FORMUL  11  HOH   *509(H2 O)                                                    
HELIX    1   1 LYS A    2  GLY A   15  1                                  14    
HELIX    2   2 GLN A   39  GLY A   41  5                                   3    
HELIX    3   3 HIS A   51  GLY A   65  1                                  15    
HELIX    4   4 ILE A   69  ASN A   75  1                                   7    
HELIX    5   5 TRP A   80  ALA A   84  5                                   5    
HELIX    6   6 VAL A   93  ALA A  100  1                                   8    
HELIX    7   7 ASP A  110  ASP A  122  1                                  13    
HELIX    8   8 GLU A  137  MET A  141  5                                   5    
HELIX    9   9 GLY A  173  CYS A  192  1                                  20    
HELIX   10  10 HIS A  212  SER A  221  1                                  10    
HELIX   11  11 ARG A  243  GLU A  245  5                                   3    
HELIX   12  12 LYS B    2  GLY B   15  1                                  14    
HELIX   13  13 GLN B   39  GLY B   41  5                                   3    
HELIX   14  14 HIS B   51  GLN B   64  1                                  14    
HELIX   15  15 ILE B   69  ASN B   75  1                                   7    
HELIX   16  16 TRP B   80  ALA B   84  5                                   5    
HELIX   17  17 VAL B   93  ALA B  100  1                                   8    
HELIX   18  18 ASP B  110  ASP B  122  1                                  13    
HELIX   19  19 ASN B  134  MET B  141  5                                   8    
HELIX   20  20 GLY B  173  CYS B  192  1                                  20    
HELIX   21  21 HIS B  212  SER B  221  1                                  10    
HELIX   22  22 ARG B  243  GLU B  245  5                                   3    
SHEET    1   A 6 THR A  16  ASN A  19  0                                        
SHEET    2   A 6 GLY A  25  ASN A  37 -1  O  THR A  26   N  LYS A  18           
SHEET    3   A 6 GLU A 195  TYR A 209 -1  N  PHE A 199   O  PHE A  36           
SHEET    4   A 6 LYS A 158  ASP A 169  1  O  LEU A 159   N  GLY A 197           
SHEET    5   A 6 HIS A 147  ALA A 155 -1  N  ALA A 148   O  TYR A 164           
SHEET    6   A 6 ILE A 129  SER A 131 -1  O  VAL A 130   N  PHE A 150           
SHEET    1   B 2 TRP A 101  PRO A 102  0                                        
SHEET    2   B 2 HIS A 108  ILE A 109 -1  N  ILE A 109   O  TRP A 101           
SHEET    1   C 2 LYS A 229  ILE A 232  0                                        
SHEET    2   C 2 PHE A 247  GLU A 250 -1  O  GLU A 248   N  ILE A 231           
SHEET    1   D 6 THR B  16  ASN B  19  0                                        
SHEET    2   D 6 GLY B  25  ASN B  37 -1  O  THR B  26   N  LYS B  18           
SHEET    3   D 6 GLU B 195  TYR B 209 -1  N  PHE B 199   O  PHE B  36           
SHEET    4   D 6 LYS B 158  ASP B 169  1  O  LEU B 159   N  GLY B 197           
SHEET    5   D 6 HIS B 147  ALA B 155 -1  N  ALA B 148   O  TYR B 164           
SHEET    6   D 6 ILE B 129  SER B 131 -1  O  VAL B 130   N  PHE B 150           
SHEET    1   E 2 TRP B 101  PRO B 102  0                                        
SHEET    2   E 2 HIS B 108  ILE B 109 -1  O  ILE B 109   N  TRP B 101           
SHEET    1   F 2 LYS B 229  ILE B 232  0                                        
SHEET    2   F 2 PHE B 247  GLU B 250 -1  O  GLU B 248   N  ILE B 231           
LINK         C   CXM A   1                 N   LYS A   2     1555   1555  1.32  
LINK         SG  CYS A 146                 S1  TP2 A 801     1555   1555  2.07  
LINK         C   CXM B   1                 N   LYS B   2     1555   1555  1.32  
LINK         SG  CYS B 146                 S1  TP2 B 802     1555   1555  2.04  
SITE     1 AC1  7 ARG A  21  ARG A 166  HOH A 857  HOH A 990                    
SITE     2 AC1  7 HOH A 997  HOH A1001  ARG B 126                               
SITE     1 AC2  6 HIS A  51  LEU A  52  ARG A  53  HOH A 917                    
SITE     2 AC2  6 HOH A 922  HOH A1078                                          
SITE     1 AC3  6 GLU A 223  ARG A 225  HIS A 255  HOH A 828                    
SITE     2 AC3  6 HOH A 916  HOH A1067                                          
SITE     1 AC4  4 HIS B  51  LEU B  52  ARG B  53  HOH B1016                    
SITE     1 AC5  5 ARG A 243  GLY B 106  ARG B 107  HIS B 108                    
SITE     2 AC5  5 HOH B 856                                                     
SITE     1 AC6 13 GLU A  58  ILE A  79  TRP A  80  TRP A  83                    
SITE     2 AC6 13 LEU A 143  CYS A 146  SER A 167  PHE A 176                    
SITE     3 AC6 13 ASN A 177  HOH A 987  HOH A 988  HOH A 989                    
SITE     4 AC6 13 HOH A1075                                                     
SITE     1 AC7 14 GLU B  58  ILE B  79  TRP B  80  TRP B  83                    
SITE     2 AC7 14 LEU B 143  CYS B 146  SER B 167  PHE B 176                    
SITE     3 AC7 14 ASN B 177  HOH B 905  HOH B 938  HOH B 939                    
SITE     4 AC7 14 HOH B 942  HOH B1003                                          
SITE     1 AC8  5 ARG A 126  ARG B  21  ARG B 166  SER B 167                    
SITE     2 AC8  5 HOH B 925                                                     
CRYST1  126.220  126.220   67.020  90.00  90.00 120.00 P 63         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      0.007920  0.004570  0.000000        0.00000                         
SCALE2      0.000000  0.009150  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014920        0.00000                         
HETATM    1  N   CXM A   1      22.059  20.546  49.246  1.00 26.25           N  
HETATM    2  CA  CXM A   1      23.325  20.930  49.649  1.00 26.46           C  
HETATM    3  CB  CXM A   1      24.408  20.648  48.559  1.00 25.91           C  
HETATM    4  CG  CXM A   1      24.709  19.177  48.360  1.00 23.83           C  
HETATM    5  SD  CXM A   1      25.715  18.716  46.949  1.00 24.36           S  
HETATM    6  CE  CXM A   1      24.764  19.064  45.501  1.00 22.38           C  
HETATM    7  C   CXM A   1      23.347  22.469  49.769  1.00 27.93           C  
HETATM    8  O   CXM A   1      22.538  23.187  49.111  1.00 26.69           O  
HETATM    9  CN  CXM A   1      21.592  19.646  50.161  1.00 26.66           C  
HETATM   10  ON1 CXM A   1      22.213  18.620  50.504  1.00 28.21           O  
HETATM   11  ON2 CXM A   1      20.634  19.130  49.587  1.00 25.37           O