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Database: PDB
Entry: 3BFI
LinkDB: 3BFI
Original site: 3BFI 
HEADER    TRANSFERASE                             21-NOV-07   3BFI              
TITLE     E. COLI THYMIDYLATE SYNTHASE Y209M MUTANT COMPLEXED WITH 5-NITRO-DUMP 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: THYMIDYLATE SYNTHASE;                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: TS, TSASE;                                                  
COMPND   5 EC: 2.1.1.45;                                                        
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 GENE: THYA;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: XAC25 THY;                                 
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: BLUSCRIPT SK+                             
KEYWDS    METHYLTRANSFERASE, NUCLEOTIDE BIOSYNTHESIS, REPRESSOR, RNA-BINDING,   
KEYWDS   2 TRANSLATION REGULATION, TRANSFERASE                                  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.A.ROBERTS,W.R.MONTFORT                                              
REVDAT   6   30-AUG-23 3BFI    1       REMARK                                   
REVDAT   5   20-OCT-21 3BFI    1       REMARK SEQADV LINK                       
REVDAT   4   18-APR-18 3BFI    1       REMARK                                   
REVDAT   3   25-OCT-17 3BFI    1       REMARK                                   
REVDAT   2   13-JUL-11 3BFI    1       VERSN                                    
REVDAT   1   02-DEC-08 3BFI    0                                                
JRNL        AUTH   W.B.ARENDALL,D.C.HYATT,S.A.ROBERTS,A.L.DAHLGRAN,F.MALEY,     
JRNL        AUTH 2 W.R.MONTFORT                                                 
JRNL        TITL   E.COLI THYMIDYLATE SYNTHASE COMPLEXED WITH 5-NITRO-2'-DEOXY  
JRNL        TITL 2 URIDINE                                                      
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.3.0037                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 26.09                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 92.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 17489                          
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) : 0.168                           
REMARK   3   R VALUE            (WORKING SET) : 0.165                           
REMARK   3   FREE R VALUE                     : 0.218                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 942                             
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.20                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.26                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1130                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 82.15                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2450                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 57                           
REMARK   3   BIN FREE R VALUE                    : 0.3360                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2149                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 28                                      
REMARK   3   SOLVENT ATOMS            : 83                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 30.05                          
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): 0.197         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.181         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.114         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.647         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.968                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.937                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2248 ; 0.016 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3055 ; 1.657 ; 1.953       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   264 ; 6.421 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   102 ;36.111 ;24.706       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   356 ;17.347 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    13 ;22.342 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   320 ; 0.108 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1735 ; 0.007 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   814 ; 0.211 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  1491 ; 0.309 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):    95 ; 0.133 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    48 ; 0.163 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    12 ; 0.141 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  1362 ; 0.973 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2140 ; 1.711 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1025 ; 2.656 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   915 ; 4.217 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 3BFI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-NOV-07.                  
REMARK 100 THE DEPOSITION ID IS D_1000045455.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 13-NOV-97                          
REMARK 200  TEMPERATURE           (KELVIN) : 293                                
REMARK 200  PH                             : 7.5                                
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          : ENRAF-NONIUS FR571                 
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : GRAPHITE CRYSTAL                   
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : DIFFRACTOMETER                     
REMARK 200  DETECTOR MANUFACTURER          : ENRAF-NONIUS FAST                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : PROCOR                             
REMARK 200  DATA SCALING SOFTWARE          : PROCOR                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 18431                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 35.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.0                               
REMARK 200  DATA REDUNDANCY                : 5.100                              
REMARK 200  R MERGE                    (I) : 0.08100                            
REMARK 200  R SYM                      (I) : 0.08100                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 7.5000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.46                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: 3TMS                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 61.77                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.22                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 2.5 M AMMONIUM SULFATE, 20 MM REMARK     
REMARK 280  280 KH2PO4, 4 MM DTT, 4 MM 5-NO2-DUMP, PH 7.5, VAPOR DIFFUSION,     
REMARK 280  HANGING DROP, TEMPERATURE 293K                                      
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       66.51000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       66.51000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       66.51000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       66.51000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       66.51000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       66.51000            
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       66.51000            
REMARK 290   SMTRY2   6 -1.000000  0.000000  0.000000       66.51000            
REMARK 290   SMTRY3   6  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY1   7  0.000000  0.000000 -1.000000       66.51000            
REMARK 290   SMTRY2   7 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  1.000000  0.000000       66.51000            
REMARK 290   SMTRY1   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY2   8  1.000000  0.000000  0.000000       66.51000            
REMARK 290   SMTRY3   8  0.000000 -1.000000  0.000000       66.51000            
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       66.51000            
REMARK 290   SMTRY3  10 -1.000000  0.000000  0.000000       66.51000            
REMARK 290   SMTRY1  11  0.000000  1.000000  0.000000       66.51000            
REMARK 290   SMTRY2  11  0.000000  0.000000 -1.000000       66.51000            
REMARK 290   SMTRY3  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY1  12  0.000000 -1.000000  0.000000       66.51000            
REMARK 290   SMTRY2  12  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY3  12  1.000000  0.000000  0.000000       66.51000            
REMARK 290   SMTRY1  13  1.000000  0.000000  0.000000       66.51000            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       66.51000            
REMARK 290   SMTRY3  13  0.000000  0.000000  1.000000       66.51000            
REMARK 290   SMTRY1  14 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  14  0.000000 -1.000000  0.000000       66.51000            
REMARK 290   SMTRY3  14  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1  15 -1.000000  0.000000  0.000000       66.51000            
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       66.51000            
REMARK 290   SMTRY1  17  0.000000  0.000000  1.000000       66.51000            
REMARK 290   SMTRY2  17  1.000000  0.000000  0.000000       66.51000            
REMARK 290   SMTRY3  17  0.000000  1.000000  0.000000       66.51000            
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       66.51000            
REMARK 290   SMTRY1  19  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY2  19 -1.000000  0.000000  0.000000       66.51000            
REMARK 290   SMTRY3  19  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY1  20  0.000000  0.000000 -1.000000       66.51000            
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       66.51000            
REMARK 290   SMTRY2  21  0.000000  0.000000  1.000000       66.51000            
REMARK 290   SMTRY3  21  1.000000  0.000000  0.000000       66.51000            
REMARK 290   SMTRY1  22  0.000000 -1.000000  0.000000       66.51000            
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       66.51000            
REMARK 290   SMTRY1  24  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  24  0.000000  0.000000 -1.000000       66.51000            
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                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 4810 ANGSTROM**2                          
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        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       66.51000            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   SG   CYS A   146     C6   NDU A   266              2.14            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    CXM A   1   CA  -  C   -  N   ANGL. DEV. = -13.2 DEGREES          
REMARK 500    CXM A   1   O   -  C   -  N   ANGL. DEV. =  11.7 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    TYR A  94      -75.33    -16.88                                   
REMARK 500    ALA A 100       49.96   -159.08                                   
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 265                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NDU A 266                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3B9H   RELATED DB: PDB                                   
REMARK 900 E.COLI THYMIDYLATE SYNTHASE COMPLEXED WITH 5-NITRO-2'-DEOXY URIDINE  
DBREF  3BFI A    1   264  UNP    P0A884   TYSY_ECOLI       1    264             
SEQADV 3BFI MET A  209  UNP  P0A884    TYR   209 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  MET 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 3BFI CXM A    1  MET  N-CARBOXYMETHIONINE                                
HET    CXM  A   1      11                                                       
HET    SO4  A 265       5                                                       
HET    NDU  A 266      23                                                       
HETNAM     CXM N-CARBOXYMETHIONINE                                              
HETNAM     SO4 SULFATE ION                                                      
HETNAM     NDU 2'-DEOXY-5-NITROURIDINE 5'-MONOPHOSPHATE                         
FORMUL   1  CXM    C6 H11 N O4 S                                                
FORMUL   2  SO4    O4 S 2-                                                      
FORMUL   3  NDU    C9 H14 N3 O10 P                                              
FORMUL   4  HOH   *83(H2 O)                                                     
HELIX    1   1 CXM A    1  GLY A   15  1                                  15    
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 VAL A   93  ALA A  100  1                                   8    
HELIX    6   6 ASP A  110  ASP A  122  1                                  13    
HELIX    7   7 ASN A  134  MET A  141  5                                   8    
HELIX    8   8 GLY A  173  ASP A  193  1                                  21    
HELIX    9   9 HIS A  212  LEU A  220  1                                   9    
HELIX   10  10 ARG A  243  GLU A  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  MET A 209 -1  O  THR A 206   N  ILE A  29           
SHEET    4   A 6 LYS A 158  ASP A 169  1  N  LEU A 159   O  GLU A 195           
SHEET    5   A 6 HIS A 147  ALA A 155 -1  N  PHE A 149   O  TYR A 164           
SHEET    6   A 6 ILE A 129  SER A 131 -1  N  VAL A 130   O  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  O  ILE A 109   N  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           
LINK         C   CXM A   1                 N   LYS A   2     1555   1555  1.31  
SITE     1 AC1  3 ARG A  49  PRO A 256  GLY A 257                               
SITE     1 AC2 19 ARG A  21  TRP A  80  TYR A  94  ARG A 126                    
SITE     2 AC2 19 ARG A 127  LEU A 143  CYS A 146  HIS A 147                    
SITE     3 AC2 19 GLN A 165  ARG A 166  SER A 167  CYS A 168                    
SITE     4 AC2 19 ASP A 169  ASN A 177  HIS A 207  MET A 209                    
SITE     5 AC2 19 HOH A 332  HOH A 334  HOH A 369                               
CRYST1  133.020  133.020  133.020  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      0.007518  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.007518  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007518        0.00000                         
HETATM    1  N   CXM A   1     -12.508  -1.044  15.757  1.00 29.56           N  
HETATM    2  CA  CXM A   1     -12.118   0.023  16.655  1.00 29.68           C  
HETATM    3  CB  CXM A   1     -13.357   0.707  17.248  1.00 30.33           C  
HETATM    4  CG  CXM A   1     -14.039   1.644  16.284  1.00 30.12           C  
HETATM    5  SD  CXM A   1     -15.606   2.314  16.878  1.00 33.52           S  
HETATM    6  CE  CXM A   1     -16.522   0.844  17.303  1.00 34.26           C  
HETATM    7  C   CXM A   1     -11.390  -0.696  17.765  1.00 29.85           C  
HETATM    8  O   CXM A   1     -11.756  -1.803  18.161  1.00 30.13           O  
HETATM    9  CN  CXM A   1     -12.516  -0.962  14.436  1.00 28.60           C  
HETATM   10  ON1 CXM A   1     -12.453   0.134  13.875  1.00 28.60           O  
HETATM   11  ON2 CXM A   1     -13.051  -1.895  13.833  1.00 31.28           O  
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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