HEADER    TRANSFERASE                             25-JUN-98   1BJG              
TITLE     D221(169)N MUTANT DOES NOT PROMOTE OPENING OF THE COFACTOR            
TITLE    2 IMIDAZOLIDINE RING                                                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: THYMIDYLATE SYNTHASE;                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 2.1.1.45;                                                        
COMPND   5 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 CELL_LINE: X2913;                                                    
SOURCE   5 PLASMID: PTHYA-D169N                                                 
KEYWDS    TRANSFERASE, ACTIVE SITE MUTANT, REACTION INTERMEDIATE                
KEYWDS   2 METHYLTRANSFERASE                                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.R.SAGE,M.D.MICHELITSCH,J.FINER-MOORE,R.M.STROUD                     
REVDAT   7   30-OCT-24 1BJG    1       REMARK                                   
REVDAT   6   03-APR-24 1BJG    1       REMARK                                   
REVDAT   5   03-NOV-21 1BJG    1       REMARK SEQADV LINK                       
REVDAT   4   13-JUL-11 1BJG    1       VERSN                                    
REVDAT   3   24-FEB-09 1BJG    1       VERSN                                    
REVDAT   2   18-NOV-98 1BJG    3       SOURCE COMPND REMARK HETATM              
REVDAT   2 2                   3       SEQADV JRNL   KEYWDS SHEET               
REVDAT   2 3                   3       MODRES                                   
REVDAT   1   04-NOV-98 1BJG    0                                                
JRNL        AUTH   C.R.SAGE,M.D.MICHELITSCH,T.J.STOUT,D.BIERMANN,R.NISSEN,      
JRNL        AUTH 2 J.FINER-MOORE,R.M.STROUD                                     
JRNL        TITL   D221 IN THYMIDYLATE SYNTHASE CONTROLS CONFORMATION CHANGE,   
JRNL        TITL 2 AND THEREBY OPENING OF THE IMIDAZOLIDINE.                    
JRNL        REF    BIOCHEMISTRY                  V.  37 13893 1998              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   9753479                                                      
JRNL        DOI    10.1021/BI9810510                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   R.M.STROUD,J.S.FINER-MOORE                                   
REMARK   1  TITL   STEREOCHEMISTRY OF A MULTISTEP/BIPARTITE METHYL TRANSFER     
REMARK   1  TITL 2 REACTION: THYMIDYLATE SYNTHASE                               
REMARK   1  REF    FASEB J.                      V.   7   671 1993              
REMARK   1  REFN                   ISSN 0892-6638                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   W.R.MONTFORT,K.M.PERRY,E.B.FAUMAN,J.S.FINER-MOORE,G.F.MALEY, 
REMARK   1  AUTH 2 L.HARDY,F.MALEY,R.M.STROUD                                   
REMARK   1  TITL   STRUCTURE, MULTIPLE SITE BINDING, AND SEGMENTAL              
REMARK   1  TITL 2 ACCOMMODATION IN THYMIDYLATE SYNTHASE ON BINDING DUMP AND AN 
REMARK   1  TITL 3 ANTI-FOLATE                                                  
REMARK   1  REF    BIOCHEMISTRY                  V.  29  6964 1990              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   W.R.MONTFORT,K.M.PERRY,E.B.FAUMAN,J.S.FINER-MOORE,G.F.MALEY, 
REMARK   1  AUTH 2 L.HARDY,F.MALEY,R.M.STROUD                                   
REMARK   1  TITL   ERRATUM. STRUCTURE, MULTIPLE SITE BINDING, AND SEGMENTAL     
REMARK   1  TITL 2 ACCOMMODATION IN THYMIDYLATE SYNTHASE ON BINDING DUMP AND AN 
REMARK   1  TITL 3 ANTI-FOLATE                                                  
REMARK   1  REF    BIOCHEMISTRY                  V.  29 10864 1990              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.30 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) : 2.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 7.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 100000000.000                  
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0010                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 82.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 15110                          
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) : 0.190                           
REMARK   3   FREE R VALUE                     : 0.234                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 1514                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.006                           
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) : 2.30                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.44                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 75.50                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1982                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2420                       
REMARK   3   BIN FREE R VALUE                    : 0.3030                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 11.20                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 249                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.019                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2153                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 54                                      
REMARK   3   SOLVENT ATOMS            : 92                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 30.30                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 26.30                          
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) : 0.23                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.24                            
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) : 0.29                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.017                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.800                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.00                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.300                           
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) : 3.170 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 4.530 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 4.370 ; 1.500                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 6.360 ; 2.000                
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  : PARAM11.WAT                                    
REMARK   3  PARAMETER FILE  3  : PARAMED.LIG                                    
REMARK   3  PARAMETER FILE  4  : PARAM_F.LIG                                    
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPH19CSDX.PRO                                 
REMARK   3  TOPOLOGY FILE  2   : TOPH11.WAT                                     
REMARK   3  TOPOLOGY FILE  3   : TOPO.FDUMP                                     
REMARK   3  TOPOLOGY FILE  4   : TOPO_CLOSED.THF                                
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1BJG 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_1000171828.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : JAN-97                             
REMARK 200  TEMPERATURE           (KELVIN) : 294                                
REMARK 200  PH                             : 7.7                                
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                             
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                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU                             
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 16757                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 94.9                               
REMARK 200  DATA REDUNDANCY                : 4.000                              
REMARK 200  R MERGE                    (I) : 0.07500                            
REMARK 200  R SYM                      (I) : 0.07500                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.37                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 90.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.25000                            
REMARK 200  R SYM FOR SHELL            (I) : 0.25000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.600                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE, X-PLOR                                         
REMARK 200 STARTING MODEL: WILD TYPE E. COLI TS                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 60.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.21                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.7                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 21 3                           
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290       5555   Z,X,Y                                                   
REMARK 290       6555   Z+1/2,-X+1/2,-Y                                         
REMARK 290       7555   -Z+1/2,-X,Y+1/2                                         
REMARK 290       8555   -Z,X+1/2,-Y+1/2                                         
REMARK 290       9555   Y,Z,X                                                   
REMARK 290      10555   -Y,Z+1/2,-X+1/2                                         
REMARK 290      11555   Y+1/2,-Z+1/2,-X                                         
REMARK 290      12555   -Y+1/2,-Z,X+1/2                                         
REMARK 290      13555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290      14555   -X,-Y+1/2,Z                                             
REMARK 290      15555   -X+1/2,Y,-Z                                             
REMARK 290      16555   X,-Y,-Z+1/2                                             
REMARK 290      17555   Z+1/2,X+1/2,Y+1/2                                       
REMARK 290      18555   Z,-X,-Y+1/2                                             
REMARK 290      19555   -Z,-X+1/2,Y                                             
REMARK 290      20555   -Z+1/2,X,-Y                                             
REMARK 290      21555   Y+1/2,Z+1/2,X+1/2                                       
REMARK 290      22555   -Y+1/2,Z,-X                                             
REMARK 290      23555   Y,-Z,-X+1/2                                             
REMARK 290      24555   -Y,-Z+1/2,X                                             
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       66.50000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       66.50000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       66.50000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       66.50000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       66.50000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       66.50000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY2   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY1   6  0.000000  0.000000  1.000000       66.50000            
REMARK 290   SMTRY2   6 -1.000000  0.000000  0.000000       66.50000            
REMARK 290   SMTRY3   6  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY1   7  0.000000  0.000000 -1.000000       66.50000            
REMARK 290   SMTRY2   7 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  1.000000  0.000000       66.50000            
REMARK 290   SMTRY1   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY2   8  1.000000  0.000000  0.000000       66.50000            
REMARK 290   SMTRY3   8  0.000000 -1.000000  0.000000       66.50000            
REMARK 290   SMTRY1   9  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   9  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY3   9  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY1  10  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  10  0.000000  0.000000  1.000000       66.50000            
REMARK 290   SMTRY3  10 -1.000000  0.000000  0.000000       66.50000            
REMARK 290   SMTRY1  11  0.000000  1.000000  0.000000       66.50000            
REMARK 290   SMTRY2  11  0.000000  0.000000 -1.000000       66.50000            
REMARK 290   SMTRY3  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY1  12  0.000000 -1.000000  0.000000       66.50000            
REMARK 290   SMTRY2  12  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY3  12  1.000000  0.000000  0.000000       66.50000            
REMARK 290   SMTRY1  13  1.000000  0.000000  0.000000       66.50000            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       66.50000            
REMARK 290   SMTRY3  13  0.000000  0.000000  1.000000       66.50000            
REMARK 290   SMTRY1  14 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  14  0.000000 -1.000000  0.000000       66.50000            
REMARK 290   SMTRY3  14  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1  15 -1.000000  0.000000  0.000000       66.50000            
REMARK 290   SMTRY2  15  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  15  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1  16  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  16  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000       66.50000            
REMARK 290   SMTRY1  17  0.000000  0.000000  1.000000       66.50000            
REMARK 290   SMTRY2  17  1.000000  0.000000  0.000000       66.50000            
REMARK 290   SMTRY3  17  0.000000  1.000000  0.000000       66.50000            
REMARK 290   SMTRY1  18  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY2  18 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3  18  0.000000 -1.000000  0.000000       66.50000            
REMARK 290   SMTRY1  19  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY2  19 -1.000000  0.000000  0.000000       66.50000            
REMARK 290   SMTRY3  19  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY1  20  0.000000  0.000000 -1.000000       66.50000            
REMARK 290   SMTRY2  20  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3  20  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY1  21  0.000000  1.000000  0.000000       66.50000            
REMARK 290   SMTRY2  21  0.000000  0.000000  1.000000       66.50000            
REMARK 290   SMTRY3  21  1.000000  0.000000  0.000000       66.50000            
REMARK 290   SMTRY1  22  0.000000 -1.000000  0.000000       66.50000            
REMARK 290   SMTRY2  22  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY3  22 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY1  23  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  23  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY3  23 -1.000000  0.000000  0.000000       66.50000            
REMARK 290   SMTRY1  24  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  24  0.000000  0.000000 -1.000000       66.50000            
REMARK 290   SMTRY3  24  1.000000  0.000000  0.000000        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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 7600 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 19670 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -17.0 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       66.50000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      133.00000            
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      HOH A 296  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 337  LIES ON A SPECIAL POSITION.                          
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    CYS A 168   CA    CYS A 168   CB     -0.080                       
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  22     -101.63    -78.07                                   
REMARK 500    PRO A  43       64.85    -69.29                                   
REMARK 500    TYR A  94      -75.62    -19.36                                   
REMARK 500    ALA A 100       59.29   -155.89                                   
REMARK 500    ASP A 122       63.13   -150.32                                   
REMARK 500    PRO A 228     -169.92    -74.28                                   
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 UFP A 266                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TMF A 267                 
DBREF  1BJG A    2   264  UNP    P0A884   TYSY_ECOLI       2    264             
SEQADV 1BJG ASN A  169  UNP  P0A884    ASP   169 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 ASN          
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                                              
MODRES 1BJG CXM A    1  MET  N-CARBOXYMETHIONINE                                
HET    CXM  A   1      11                                                       
HET    UFP  A 266      21                                                       
HET    TMF  A 267      66                                                       
HETNAM     CXM N-CARBOXYMETHIONINE                                              
HETNAM     UFP 5-FLUORO-2'-DEOXYURIDINE-5'-MONOPHOSPHATE                        
HETNAM     TMF 5,10-METHYLENE-6-HYDROFOLIC ACID                                 
FORMUL   1  CXM    C6 H11 N O4 S                                                
FORMUL   2  UFP    C9 H12 F N2 O8 P                                             
FORMUL   3  TMF    C20 H21 N7 O6                                                
FORMUL   4  HOH   *92(H2 O)                                                     
HELIX    1   1 LYS A    2  GLU A   14  1                                  13    
HELIX    2   2 LEU A   38  ASP A   40  5                                   3    
HELIX    3   3 LEU A   52  GLN A   64  1                                  13    
HELIX    4   4 ILE A   69  ASN A   75  5                                   7    
HELIX    5   5 ASP A   81  TRP A   83  5                                   3    
HELIX    6   6 TYR A   94  ALA A  100  1                                   7    
HELIX    7   7 GLN A  111  ASN A  121  1                                  11    
HELIX    8   8 VAL A  135  LYS A  140  5                                   6    
HELIX    9   9 GLY A  173  GLN A  191  1                                  19    
HELIX   10  10 SER A  210  SER A  221  5                                  12    
HELIX   11  11 ILE A  239  ASP A  241  5                                   3    
HELIX   12  12 PHE A  244  ASP A  246  5                                   3    
SHEET    1   A 4 THR A  16  LYS A  18  0                                        
SHEET    2   A 4 THR A  26  PHE A  30 -1  N  SER A  28   O  THR A  16           
SHEET    3   A 4 ASP A 205  TYR A 209 -1  N  LEU A 208   O  LEU A  27           
SHEET    4   A 4 SER A 167  ASN A 169  1  N  CYS A 168   O  ASP A 205           
SHEET    1   B 5 HIS A  32  ASN A  37  0                                        
SHEET    2   B 5 ASP A 198  GLY A 203 -1  N  GLY A 203   O  HIS A  32           
SHEET    3   B 5 LYS A 158  GLN A 165  1  N  CYS A 161   O  VAL A 200           
SHEET    4   B 5 HIS A 147  ALA A 155 -1  N  ALA A 155   O  LYS A 158           
SHEET    5   B 5 ILE A 129  SER A 131 -1  N  VAL A 130   O  PHE A 150           
SHEET    1   C 2 LYS A 229  ILE A 232  0                                        
SHEET    2   C 2 PHE A 247  GLU A 250 -1  N  GLU A 250   O  LYS A 229           
LINK         C   CXM A   1                 N   LYS A   2     1555   1555  1.33  
LINK         SG  CYS A 146                 C6  UFP A 266     1555   1555  1.84  
LINK         F5  UFP A 266                 N1 BTMF A 267     1555   1555  2.16  
LINK         F5  UFP A 266                 C2 BTMF A 267     1555   1555  1.39  
LINK         F5  UFP A 266                 NA2BTMF A 267     1555   1555  1.90  
LINK         F5  UFP A 266                 N3 BTMF A 267     1555   1555  1.79  
SITE     1 AC1 15 ARG A  21  TYR A  94  ARG A 126  ARG A 127                    
SITE     2 AC1 15 CYS A 146  HIS A 147  GLN A 165  ARG A 166                    
SITE     3 AC1 15 SER A 167  CYS A 168  ASN A 169  ASN A 177                    
SITE     4 AC1 15 HIS A 207  TMF A 267  HOH A 301                               
SITE     1 AC2 18 LYS A  48  CYS A  50  HIS A  51  SER A  54                    
SITE     2 AC2 18 GLU A  58  ILE A  79  TRP A  80  TRP A  83                    
SITE     3 AC2 18 TYR A  94  LEU A 143  CYS A 146  HIS A 147                    
SITE     4 AC2 18 ASN A 169  LEU A 172  GLY A 173  PHE A 176                    
SITE     5 AC2 18 TYR A 209  UFP A 266                                          
CRYST1  133.000  133.000  133.000  90.00  90.00  90.00 I 21 3       24          
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      0.007519  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.007519  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007519        0.00000                         
HETATM    1  N   CXM A   1      34.290  87.177  48.970  1.00 21.74           N  
HETATM    2  CA  CXM A   1      33.273  87.496  49.964  1.00 24.20           C  
HETATM    3  CB  CXM A   1      32.676  86.273  50.518  1.00 24.22           C  
HETATM    4  CG  CXM A   1      31.768  85.547  49.563  1.00 26.50           C  
HETATM    5  SD  CXM A   1      31.102  84.062  50.277  1.00 32.07           S  
HETATM    6  CE  CXM A   1      32.474  82.981  50.049  1.00 29.93           C  
HETATM    7  C   CXM A   1      33.853  88.308  51.099  1.00 24.88           C  
HETATM    8  O   CXM A   1      34.968  88.054  51.551  1.00 30.01           O  
HETATM    9  CN  CXM A   1      34.041  87.257  47.670  1.00 21.19           C  
HETATM   10  ON1 CXM A   1      35.079  86.727  47.248  1.00 19.67           O  
HETATM   11  ON2 CXM A   1      32.975  87.184  47.035  1.00 28.98           O