HEADER    TRANSFERASE                             24-JAN-06   2FTN              
TITLE     E. COLI THYMIDYLATE SYNTHASE Y94F MUTANT                              
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, TRANSFERASE                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    W.R.MONTFORT,S.A.ROBERTS                                              
REVDAT   6   30-OCT-24 2FTN    1       REMARK                                   
REVDAT   5   20-OCT-21 2FTN    1       REMARK SEQADV LINK                       
REVDAT   4   13-JUL-11 2FTN    1       VERSN                                    
REVDAT   3   24-FEB-09 2FTN    1       VERSN                                    
REVDAT   2   17-OCT-06 2FTN    1       JRNL                                     
REVDAT   1   02-MAY-06 2FTN    0                                                
JRNL        AUTH   S.A.ROBERTS,D.C.HYATT,J.E.HONTS,L.CHANGCHIEN,G.F.MALEY,      
JRNL        AUTH 2 F.MALEY,W.R.MONTFORT                                         
JRNL        TITL   STRUCTURE OF THE Y94F MUTANT OF ESCHERICHIA COLI THYMIDYLATE 
JRNL        TITL 2 SYNTHASE.                                                    
JRNL        REF    ACTA CRYSTALLOGR.,SECT.F      V.  62   840 2006              
JRNL        REFN                   ESSN 1744-3091                               
JRNL        PMID   16946460                                                     
JRNL        DOI    10.1107/S1744309106029691                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0019                                      
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) : 1.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 11.20                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 46021                          
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) : 0.183                           
REMARK   3   R VALUE            (WORKING SET) : 0.182                           
REMARK   3   FREE R VALUE                     : 0.204                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2458                            
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) : 1.60                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.64                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 3420                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.97                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1670                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 196                          
REMARK   3   BIN FREE R VALUE                    : 0.1820                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2152                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 40                                      
REMARK   3   SOLVENT ATOMS            : 175                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   B VALUE TYPE : LIKELY RESIDUAL                                     
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 18.71                          
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): 0.077         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.077         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.043         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.397         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.958                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.948                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2317 ; 0.014 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  1564 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3165 ; 1.518 ; 1.958       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  3807 ; 0.959 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   286 ; 6.401 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   118 ;34.555 ;23.898       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   388 ;13.823 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    16 ;18.580 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   331 ; 0.096 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2562 ; 0.007 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   483 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   393 ; 0.236 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  1587 ; 0.198 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  1075 ; 0.183 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  1191 ; 0.084 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   128 ; 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):    13 ; 0.158 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    88 ; 0.240 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    15 ; 0.179 ; 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):  1788 ; 2.169 ; 3.000       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   544 ; 0.369 ; 3.000       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2203 ; 2.518 ; 6.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1119 ; 3.566 ; 6.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   950 ; 4.821 ; 8.000       
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  : 6                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 4                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     1        A     9                          
REMARK   3    RESIDUE RANGE :   A    25        A    50                          
REMARK   3    RESIDUE RANGE :   A   118        A   122                          
REMARK   3    RESIDUE RANGE :   A   150        A   260                          
REMARK   3    ORIGIN FOR THE GROUP (A):  15.2610  29.7330  53.7710              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.0269 T22:   0.0215                                     
REMARK   3      T33:  -0.0112 T12:  -0.0139                                     
REMARK   3      T13:   0.0218 T23:  -0.0068                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.6374 L22:   0.4979                                     
REMARK   3      L33:   0.4530 L12:   0.2804                                     
REMARK   3      L13:   0.1168 L23:  -0.2844                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0091 S12:   0.0948 S13:  -0.1187                       
REMARK   3      S21:  -0.1019 S22:  -0.0266 S23:  -0.0624                       
REMARK   3      S31:   0.0322 S32:   0.1112 S33:   0.0175                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A    10        A    24                          
REMARK   3    ORIGIN FOR THE GROUP (A):   7.0240  50.2050  52.7390              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.0311 T22:  -0.0378                                     
REMARK   3      T33:  -0.0538 T12:  -0.0601                                     
REMARK   3      T13:   0.0132 T23:   0.0561                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   3.3209 L22:   6.2983                                     
REMARK   3      L33:   6.1119 L12:   0.5414                                     
REMARK   3      L13:   1.1050 L23:   5.1415                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.2089 S12:  -0.0086 S13:   0.2620                       
REMARK   3      S21:  -0.1226 S22:  -0.1558 S23:   0.0442                       
REMARK   3      S31:  -0.0875 S32:  -0.1462 S33:  -0.0531                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A    51        A    93                          
REMARK   3    ORIGIN FOR THE GROUP (A):  22.1340  35.2990  70.3540              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.0417 T22:   0.0307                                     
REMARK   3      T33:   0.0043 T12:  -0.0603                                     
REMARK   3      T13:  -0.0403 T23:   0.0411                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.7543 L22:   1.0908                                     
REMARK   3      L33:   1.0795 L12:   0.5745                                     
REMARK   3      L13:  -1.5165 L23:   0.0206                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.1811 S12:  -0.2255 S13:  -0.0876                       
REMARK   3      S21:   0.1529 S22:  -0.1857 S23:  -0.2250                       
REMARK   3      S31:  -0.0980 S32:   0.1627 S33:   0.0046                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A    94        A   117                          
REMARK   3    ORIGIN FOR THE GROUP (A):   7.0880  26.3470  75.8620              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.0099 T22:   0.0008                                     
REMARK   3      T33:  -0.0087 T12:  -0.0497                                     
REMARK   3      T13:  -0.0070 T23:   0.0468                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.3185 L22:   1.8736                                     
REMARK   3      L33:   0.6643 L12:   0.1231                                     
REMARK   3      L13:   0.2090 L23:  -0.4599                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0489 S12:  -0.0706 S13:  -0.0888                       
REMARK   3      S21:   0.1274 S22:  -0.0237 S23:   0.0253                       
REMARK   3      S31:  -0.0217 S32:   0.0258 S33:  -0.0252                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 5                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A   123        A   149                          
REMARK   3    ORIGIN FOR THE GROUP (A):   3.6040  31.4400  68.8910              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.0076 T22:   0.0010                                     
REMARK   3      T33:  -0.0248 T12:  -0.0386                                     
REMARK   3      T13:  -0.0088 T23:   0.0040                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.9332 L22:   0.8979                                     
REMARK   3      L33:   0.5540 L12:   0.6443                                     
REMARK   3      L13:   0.3104 L23:   0.4360                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0267 S12:  -0.0926 S13:  -0.0173                       
REMARK   3      S21:   0.0675 S22:  -0.0418 S23:   0.0005                       
REMARK   3      S31:   0.0111 S32:   0.0101 S33:   0.0152                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 6                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A   261        A   264                          
REMARK   3    ORIGIN FOR THE GROUP (A):  20.5310  52.4230  59.6400              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.0083 T22:   0.0193                                     
REMARK   3      T33:  -0.0750 T12:  -0.0282                                     
REMARK   3      T13:   0.0452 T23:   0.0267                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:  16.2113 L22:  31.3729                                     
REMARK   3      L33:  25.8904 L12:  -7.6440                                     
REMARK   3      L13: -17.3963 L23:  21.3079                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.6921 S12:   0.5988 S13:   0.3564                       
REMARK   3      S21:  -0.3572 S22:  -0.1716 S23:   0.5709                       
REMARK   3      S31:  -0.4145 S32:  -1.5190 S33:  -0.5205                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
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 AND TLS REFINEMENT PERFORMED                              
REMARK   4                                                                      
REMARK   4 2FTN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-FEB-06.                  
REMARK 100 THE DEPOSITION ID IS D_1000036297.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 05-DEC-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 14-BM-C                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : D*TREK                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 48479                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 11.200                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY                : 10.00                              
REMARK 200  R MERGE                    (I) : 0.07600                            
REMARK 200  R SYM                      (I) : 0.07600                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.66                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 10.00                              
REMARK 200  R MERGE FOR SHELL          (I) : 0.37000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: STARTED WITH COORDINATES     
REMARK 200  FROM ISOMORPHOUS STRUCTURE IAJM                                     
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 60.03                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.08                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 2.5 M AMMONIUM SULFATE, 20 MM KH2PO4,    
REMARK 280  4 MM DTT, PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K   
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       65.58550            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       65.58550            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       65.58550            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       65.58550            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       65.58550            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       65.58550            
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       65.58550            
REMARK 290   SMTRY2   6 -1.000000  0.000000  0.000000       65.58550            
REMARK 290   SMTRY3   6  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY1   7  0.000000  0.000000 -1.000000       65.58550            
REMARK 290   SMTRY2   7 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  1.000000  0.000000       65.58550            
REMARK 290   SMTRY1   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY2   8  1.000000  0.000000  0.000000       65.58550            
REMARK 290   SMTRY3   8  0.000000 -1.000000  0.000000       65.58550            
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       65.58550            
REMARK 290   SMTRY3  10 -1.000000  0.000000  0.000000       65.58550            
REMARK 290   SMTRY1  11  0.000000  1.000000  0.000000       65.58550            
REMARK 290   SMTRY2  11  0.000000  0.000000 -1.000000       65.58550            
REMARK 290   SMTRY3  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY1  12  0.000000 -1.000000  0.000000       65.58550            
REMARK 290   SMTRY2  12  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY3  12  1.000000  0.000000  0.000000       65.58550            
REMARK 290   SMTRY1  13  1.000000  0.000000  0.000000       65.58550            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       65.58550            
REMARK 290   SMTRY3  13  0.000000  0.000000  1.000000       65.58550            
REMARK 290   SMTRY1  14 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  14  0.000000 -1.000000  0.000000       65.58550            
REMARK 290   SMTRY3  14  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1  15 -1.000000  0.000000  0.000000       65.58550            
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       65.58550            
REMARK 290   SMTRY1  17  0.000000  0.000000  1.000000       65.58550            
REMARK 290   SMTRY2  17  1.000000  0.000000  0.000000       65.58550            
REMARK 290   SMTRY3  17  0.000000  1.000000  0.000000       65.58550            
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       65.58550            
REMARK 290   SMTRY1  19  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY2  19 -1.000000  0.000000  0.000000       65.58550            
REMARK 290   SMTRY3  19  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY1  20  0.000000  0.000000 -1.000000       65.58550            
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       65.58550            
REMARK 290   SMTRY2  21  0.000000  0.000000  1.000000       65.58550            
REMARK 290   SMTRY3  21  1.000000  0.000000  0.000000       65.58550            
REMARK 290   SMTRY1  22  0.000000 -1.000000  0.000000       65.58550            
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       65.58550            
REMARK 290   SMTRY1  24  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  24  0.000000  0.000000 -1.000000       65.58550            
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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A DIMER. THERE IS ONE MONOMER IN  
REMARK 300 THE ASYMETRIC UNIT. TO GENERATE THE SECOND MONOMER OF THE DIMER,     
REMARK 300 APPLY THE SYMMETRY OPERATION -X,1/2-Y,Z                              
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: 7170 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 21440 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -216.0 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        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000       65.58550            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
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    PHE A  94      -80.67     -1.27                                   
REMARK 500    ALA A 100       46.05   -160.20                                   
REMARK 500    ASP A 122       58.98   -145.92                                   
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 SO4 A 271                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 272                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 273                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 274                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 275                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 276                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 277                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2FTO   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2FTQ   RELATED DB: PDB                                   
DBREF  2FTN A    1   264  UNP    P0A884   TYSY_ECOLI       1    264             
SEQADV 2FTN CXM A    1  UNP  P0A884    MET     1 MODIFIED RESIDUE               
SEQADV 2FTN PHE A   94  UNP  P0A884    TYR    94 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 PHE 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                                              
MODRES 2FTN CXM A    1  MET  N-CARBOXYMETHIONINE                                
HET    CXM  A   1      11                                                       
HET    SO4  A 265       5                                                       
HET    SO4  A 271       5                                                       
HET    SO4  A 272       5                                                       
HET    SO4  A 273       5                                                       
HET    SO4  A 274       5                                                       
HET    SO4  A 275       5                                                       
HET    SO4  A 276       5                                                       
HET    SO4  A 277       5                                                       
HETNAM     CXM N-CARBOXYMETHIONINE                                              
HETNAM     SO4 SULFATE ION                                                      
FORMUL   1  CXM    C6 H11 N O4 S                                                
FORMUL   2  SO4    8(O4 S 2-)                                                   
FORMUL  10  HOH   *175(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 LEU A   52  GLY A   65  1                                  14    
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 ASN A  134  MET A  141  5                                   8    
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    
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  O  THR A 206   N  ILE A  29           
SHEET    4   A 6 LYS A 158  ASP A 169  1  N  LEU A 159   O  GLY A 197           
SHEET    5   A 6 HIS A 147  ALA A 155 -1  N  TYR A 153   O  SER A 160           
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  1.33  
SITE     1 AC1  4 ARG A 126  ARG A 166  SER A 167  HOH A 333                    
SITE     1 AC2  5 HIS A  51  LEU A  52  ARG A  53  HOH A 387                    
SITE     2 AC2  5 HOH A 426                                                     
SITE     1 AC3  3 ARG A  49  PRO A 256  GLY A 257                               
SITE     1 AC4  5 GLU A 223  ARG A 225  HIS A 255  HOH A 378                    
SITE     2 AC4  5 HOH A 472                                                     
SITE     1 AC5  5 GLY A  25  SER A 210  HOH A 383  HOH A 395                    
SITE     2 AC5  5 HOH A 459                                                     
SITE     1 AC6  3 LEU A 218  ARG A 222  HOH A 460                               
SITE     1 AC7  3 ARG A 225  PRO A 254  PRO A 256                               
SITE     1 AC8  4 HIS A  51  ARG A  53  SER A  54  HOH A 387                    
CRYST1  131.171  131.171  131.171  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      0.007624  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.007624  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007624        0.00000                         
HETATM    1  N   CXM A   1      16.945  33.625  44.366  1.00 19.61           N  
HETATM    2  CA  CXM A   1      16.063  32.520  43.956  1.00 19.42           C  
HETATM    3  CB  CXM A   1      15.452  31.795  45.169  1.00 18.48           C  
HETATM    4  CG  CXM A   1      16.466  31.074  46.009  1.00 20.92           C  
HETATM    5  SD  CXM A   1      15.886  30.154  47.406  1.00 21.12           S  
HETATM    6  CE  CXM A   1      15.487  31.454  48.541  1.00 24.33           C  
HETATM    7  C   CXM A   1      14.947  33.157  43.198  1.00 20.17           C  
HETATM    8  O   CXM A   1      14.502  34.243  43.563  1.00 19.32           O  
HETATM    9  CN  CXM A   1      18.274  33.543  44.394  1.00 19.77           C  
HETATM   10  ON1 CXM A   1      18.853  32.444  44.182  1.00 21.12           O  
HETATM   11  ON2 CXM A   1      18.938  34.548  44.750  1.00 19.64           O