HEADER    HYDROLASE                               25-SEP-97   5FIT              
TITLE     FHIT-SUBSTRATE ANALOG                                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: FRAGILE HISTIDINE TRIAD PROTEIN;                           
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: FHIT;                                                       
COMPND   5 EC: 3.6.1.29;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: FHIT;                                                          
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: DL41;                                      
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PGEX-2T;                                  
SOURCE  10 EXPRESSION_SYSTEM_GENE: FHIT;                                        
SOURCE  11 OTHER_DETAILS: EXPRESSED AS FUSION PROTEIN WITH GLUTATHIONE-S-       
SOURCE  12 TRANSFERASE IN ESCHERICHIA COLI                                      
KEYWDS    HYDROLASE, FRAGILE HISTIDINE TRIAD PROTEIN, FHIT, PUTATIVE TUMOR      
KEYWDS   2 SUPPRESSOR, HIT PROTEIN FAMILY, HISTIDINE TRIAD PROTEIN FAMILY,      
KEYWDS   3 NUCLEOTIDYL HYDROLASE, NUCLEOTIDYL TRANSFERASE                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.D.LIMA,M.G.KLEIN,W.A.HENDRICKSON                                    
REVDAT   4   20-NOV-24 5FIT    1       REMARK                                   
REVDAT   3   05-JUN-24 5FIT    1       REMARK SEQADV LINK                       
REVDAT   2   24-FEB-09 5FIT    1       VERSN                                    
REVDAT   1   25-MAR-98 5FIT    0                                                
JRNL        AUTH   C.D.LIMA,M.G.KLEIN,W.A.HENDRICKSON                           
JRNL        TITL   STRUCTURE-BASED ANALYSIS OF CATALYSIS AND SUBSTRATE          
JRNL        TITL 2 DEFINITION IN THE HIT PROTEIN FAMILY.                        
JRNL        REF    SCIENCE                       V. 278   286 1997              
JRNL        REFN                   ISSN 0036-8075                               
JRNL        PMID   9323207                                                      
JRNL        DOI    10.1126/SCIENCE.278.5336.286                                 
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   C.D.LIMA,K.L.D'AMICO,I.NADAY,G.ROSENBAUM,E.M.WESTBROOK,      
REMARK   1  AUTH 2 W.A.HENDRICKSON                                              
REMARK   1  TITL   MAD ANALYSIS OF FHIT, A PUTATIVE HUMAN TUMOR SUPPRESSOR FROM 
REMARK   1  TITL 2 THE HIT PROTEIN FAMILY                                       
REMARK   1  REF    STRUCTURE                     V.   5   763 1997              
REMARK   1  REFN                   ISSN 0969-2126                               
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) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 100000.000                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.1000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 95.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 16087                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.226                           
REMARK   3   FREE R VALUE                     : 0.258                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1004                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 23                                      
REMARK   3   SOLVENT ATOMS            : 54                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 30.30                          
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) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.020                           
REMARK   3   BOND ANGLES            (DEGREES) : 2.100                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 25.60                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.750                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
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  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 5FIT 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_1000179708.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 08-SEP-96                          
REMARK 200  TEMPERATURE           (KELVIN) : 110                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 19-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0036                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : CUSTOM-MADE                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MADNES                             
REMARK 200  DATA SCALING SOFTWARE          : XDS, SCALEPACK                     
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 17347                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.7                               
REMARK 200  DATA REDUNDANCY                : 3.500                              
REMARK 200  R MERGE                    (I) : 0.03300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
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: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: X-PLOR 3.1                                            
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 57.79                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.91                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: GROWN FROM AMMONIUM SULFATE, PH 6.5      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+5/6                                            
REMARK 290       6555   X-Y,X,Z+1/6                                             
REMARK 290       7555   Y,X,-Z+1/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+2/3                                          
REMARK 290      10555   -Y,-X,-Z+5/6                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+1/6                                            
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       89.17333            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000      178.34667            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      133.76000            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000      222.93333            
REMARK 290   SMTRY1   6  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       44.58667            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       89.17333            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000      178.34667            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000      222.93333            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000      133.76000            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       44.58667            
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 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  0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       44.58667            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     PHE A   107                                                      
REMARK 465     HIS A   108                                                      
REMARK 465     ARG A   109                                                      
REMARK 465     ASN A   110                                                      
REMARK 465     ASP A   111                                                      
REMARK 465     SER A   112                                                      
REMARK 465     ILE A   113                                                      
REMARK 465     TYR A   114                                                      
REMARK 465     GLU A   115                                                      
REMARK 465     GLU A   116                                                      
REMARK 465     LEU A   117                                                      
REMARK 465     GLN A   118                                                      
REMARK 465     LYS A   119                                                      
REMARK 465     HIS A   120                                                      
REMARK 465     ASP A   121                                                      
REMARK 465     LYS A   122                                                      
REMARK 465     GLU A   123                                                      
REMARK 465     ASP A   124                                                      
REMARK 465     PHE A   125                                                      
REMARK 465     PRO A   126                                                      
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  39   CB    CYS A  39   SG     -0.105                       
REMARK 500    MSE A  82  SE     MSE A  82   CE     -0.374                       
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  19     -164.94   -106.83                                   
REMARK 500    THR A  91      -61.99    -90.45                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 610                                                                      
REMARK 610 MISSING HETEROATOM                                                   
REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 610 I=INSERTION CODE):                                                   
REMARK 610   M RES C SSEQI                                                      
REMARK 610     AP2 A  200                                                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: HNE                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: HISTIDINE TRIAD FOR WHICH THIS FAMILY WAS NAMED.   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AVE                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: ACTIVE SITE HISTIDINE RESPONSIBLE FOR FORMING      
REMARK 800  THE TRANSIENT NUCLEOTIDYL PHOSPHOHISTIDYL ENZYME INTERMEDIATE       
REMARK 800  DURING CATALYSIS.                                                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AP2 A 200                 
DBREF  5FIT A    1   147  UNP    P49789   FHIT_HUMAN       1    147             
SEQADV 5FIT MSE A   82  UNP  P49789    MET    82 MODIFIED RESIDUE               
SEQADV 5FIT MSE A  135  UNP  P49789    MET   135 MODIFIED RESIDUE               
SEQRES   1 A  147  MET SER PHE ARG PHE GLY GLN HIS LEU ILE LYS PRO SER          
SEQRES   2 A  147  VAL VAL PHE LEU LYS THR GLU LEU SER PHE ALA LEU VAL          
SEQRES   3 A  147  ASN ARG LYS PRO VAL VAL PRO GLY HIS VAL LEU VAL CYS          
SEQRES   4 A  147  PRO LEU ARG PRO VAL GLU ARG PHE HIS ASP LEU ARG PRO          
SEQRES   5 A  147  ASP GLU VAL ALA ASP LEU PHE GLN THR THR GLN ARG VAL          
SEQRES   6 A  147  GLY THR VAL VAL GLU LYS HIS PHE HIS GLY THR SER LEU          
SEQRES   7 A  147  THR PHE SER MSE GLN ASP GLY PRO GLU ALA GLY GLN THR          
SEQRES   8 A  147  VAL LYS HIS VAL HIS VAL HIS VAL LEU PRO ARG LYS ALA          
SEQRES   9 A  147  GLY ASP PHE HIS ARG ASN ASP SER ILE TYR GLU GLU LEU          
SEQRES  10 A  147  GLN LYS HIS ASP LYS GLU ASP PHE PRO ALA SER TRP ARG          
SEQRES  11 A  147  SER GLU GLU GLU MSE ALA ALA GLU ALA ALA ALA LEU ARG          
SEQRES  12 A  147  VAL TYR PHE GLN                                              
MODRES 5FIT MSE A   82  MET  SELENOMETHIONINE                                   
MODRES 5FIT MSE A  135  MET  SELENOMETHIONINE                                   
HET    MSE  A  82       8                                                       
HET    MSE  A 135       8                                                       
HET    AP2  A 200      23                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
HETNAM     AP2 PHOSPHOMETHYLPHOSPHONIC ACID ADENOSYL ESTER                      
FORMUL   1  MSE    2(C5 H11 N O2 SE)                                            
FORMUL   2  AP2    C11 H17 N5 O9 P2                                             
FORMUL   3  HOH   *54(H2 O)                                                     
HELIX    1   1 PRO A   12  VAL A   14  5                                   3    
HELIX    2   2 PHE A   47  ASP A   49  5                                   3    
HELIX    3   3 PRO A   52  HIS A   72  1                                  21    
HELIX    4   4 PRO A   86  ALA A   88  5                                   3    
HELIX    5   5 GLU A  132  TYR A  145  5                                  14    
SHEET    1   A 2 PHE A   3  PHE A   5  0                                        
SHEET    2   A 2 HIS A   8  ILE A  10 -1  N  ILE A  10   O  PHE A   3           
SHEET    1   B 5 SER A  77  SER A  81  0                                        
SHEET    2   B 5 HIS A  96  ARG A 102 -1  N  ARG A 102   O  SER A  77           
SHEET    3   B 5 VAL A  36  PRO A  40 -1  N  VAL A  38   O  VAL A  97           
SHEET    4   B 5 SER A  22  VAL A  26 -1  N  LEU A  25   O  LEU A  37           
SHEET    5   B 5 VAL A  15  LYS A  18 -1  N  LEU A  17   O  ALA A  24           
LINK         C   SER A  81                 N   MSE A  82     1555   1555  1.32  
LINK         C   MSE A  82                 N   GLN A  83     1555   1555  1.33  
LINK         C   GLU A 134                 N   MSE A 135     1555   1555  1.33  
LINK         C   MSE A 135                 N   ALA A 136     1555   1555  1.32  
SITE     1 HNE  3 HIS A  35  HIS A  96  HIS A  98                               
SITE     1 AVE  1 HIS A  96                                                     
SITE     1 AC1 16 HIS A   8  LEU A  25  VAL A  26  ASN A  27                    
SITE     2 AC1 16 ARG A  28  LYS A  29  HIS A  35  LEU A  37                    
SITE     3 AC1 16 GLN A  83  GLY A  89  THR A  91  VAL A  92                    
SITE     4 AC1 16 HIS A  96  HIS A  98  HOH A 249  HOH A 254                    
CRYST1   50.640   50.640  267.520  90.00  90.00 120.00 P 61 2 2     12          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.019747  0.011401  0.000000        0.00000                         
SCALE2      0.000000  0.022802  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.003738        0.00000