HEADER    ISOMERASE                               08-SEP-00   1FSF              
TITLE     GLUCOSAMINE-6-PHOSPHATE DEAMINASE FROM E.COLI, T CONFORMER, AT 1.9A   
TITLE    2 RESOLUTION                                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: GLUCOSAMINE-6-PHOSPHATE DEAMINASE;                         
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: GLUCOSAMINE-6-PHOSPHATE DEAMINASE, GNPDA, GLCN6P DEAMINASE; 
COMPND   5 EC: 5.3.1.10;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   7 EXPRESSION_SYSTEM_PLASMID: PTZ18-R                                   
KEYWDS    ALLOSTERIC ENZYME, ENTROPIC EFFECTS, ALDOSE-KETOSE ISOMERASE,         
KEYWDS   2 ANISOTROPIC REFINEMENT, ISOMERASE                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    E.RUDINO-PINERA,S.MORALES-ARRIETA,S.P.ROJAS-TREJO,E.HORJALES          
REVDAT   5   07-FEB-24 1FSF    1       REMARK                                   
REVDAT   4   04-OCT-17 1FSF    1       REMARK                                   
REVDAT   3   13-JUL-11 1FSF    1       VERSN                                    
REVDAT   2   24-FEB-09 1FSF    1       VERSN                                    
REVDAT   1   04-JAN-02 1FSF    0                                                
JRNL        AUTH   E.RUDINO-PINERA,S.MORALES-ARRIETA,S.P.ROJAS-TREJO,E.HORJALES 
JRNL        TITL   STRUCTURAL FLEXIBILITY, AN ESSENTIAL COMPONENT OF THE        
JRNL        TITL 2 ALLOSTERIC ACTIVATION IN ESCHERICHIA COLI                    
JRNL        TITL 3 GLUCOSAMINE-6-PHOSPHATE DEAMINASE.                           
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  58    10 2002              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   11752775                                                     
JRNL        DOI    10.1107/S0907444901016699                                    
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   G.OLIVA,M.R.M.FONTES,R.C.GARRATT,M.M.ALTAMIRANO,             
REMARK   1  AUTH 2 M.L.CALCAGNO,E.HORJALES                                      
REMARK   1  TITL   STRUCTURE AND CATALYTIC MECHANISM OF GLUCOSAMINE-6-PHOSPHATE 
REMARK   1  TITL 2 DEAMINASE FROM ESCHERICHIA COLI AT 2.1A RESOLUTION           
REMARK   1  REF    STRUCTURE                     V.   3  1323 1995              
REMARK   1  REFN                   ISSN 0969-2126                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   E.HORJALES,M.M.ALTAMIRANO,M.L.CALCAGNO,R.C.GARRATT,G.OLIVA   
REMARK   1  TITL   THE ALLOSTERIC TRANSITION OF GLUCOSAMINE-6-PHOSPHATE         
REMARK   1  TITL 2 DEAMINASE: THE STRUCTURE OF THE T STATE AT 2.3A RESOLUTION   
REMARK   1  REF    STRUCTURE                     V.   7   527 1999              
REMARK   1  REFN                   ISSN 0969-2126                               
REMARK   1  DOI    10.1016/S0969-2126(99)80069-0                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 92.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 48346                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.183                           
REMARK   3   FREE R VALUE                     : 0.232                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 4880                            
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           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.90                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.02                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 90.90                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 7041                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2740                       
REMARK   3   BIN FREE R VALUE                    : 0.2950                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 9.80                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 765                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.011                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2092                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 298                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 24.80                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.24                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.21                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.27                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.24                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.300                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.80                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.870                           
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) : 0.930 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.560 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.510 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.330 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.37                                                 
REMARK   3   BSOL        : 54.56                                                
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: FIRST REFINED WITH A CNS ISOTROPIC        
REMARK   3  REFINEMENT AND THEN BY SHELXL ANISOTROPIC REFINEMENT                
REMARK   4                                                                      
REMARK   4 1FSF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-SEP-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000011861.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 07-JAN-99                          
REMARK 200  TEMPERATURE           (KELVIN) : 110                                
REMARK 200  PH                             : 6.8                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL9-1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.7820                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MACSCIENCE DIP100S                 
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : CCP4                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 92.2                               
REMARK 200  DATA REDUNDANCY                : 3.400                              
REMARK 200  R MERGE                    (I) : 0.07200                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 6.9000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.02                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 90.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.32500                            
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: NULL                         
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 69.60                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.04                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: HEPES, SODIUM ACETATE, PH 6.8, VAPOR     
REMARK 280  DIFFUSION, HANGING DROP AT 291K                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 63 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                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+1/2                                            
REMARK 290       6555   X-Y,X,Z+1/2                                             
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z                                              
REMARK 290      10555   -Y,-X,-Z+1/2                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+1/2                                            
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       69.66300            
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       69.66300            
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       69.66300            
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        0.00000            
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        0.00000            
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       69.66300            
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       69.66300            
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       69.66300            
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 HEXAMER CONSTRUCTED FROM        
REMARK 300 MONOMERS A BY TWO-FOLD AND THEN A THREE-FOLD                         
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: HEXAMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC                  
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 9070 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 62450 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -61.0 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 -0.500000 -0.866025  0.000000      126.67600            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000  0.866025  0.000000       63.33800            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000      109.70463            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   4  0.500000 -0.866025  0.000000       63.33800            
REMARK 350   BIOMT2   4 -0.866025 -0.500000  0.000000      109.70463            
REMARK 350   BIOMT3   4  0.000000  0.000000 -1.000000       69.66300            
REMARK 350   BIOMT1   5 -1.000000  0.000000  0.000000      126.67600            
REMARK 350   BIOMT2   5  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   5  0.000000  0.000000 -1.000000       69.66300            
REMARK 350   BIOMT1   6  0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   6  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   6  0.000000  0.000000 -1.000000       69.66300            
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    LEU A 266   C     LEU A 266   OXT     0.338                       
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    ARG A  33   NE  -  CZ  -  NH1 ANGL. DEV. =   4.1 DEGREES          
REMARK 500    ARG A  33   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.3 DEGREES          
REMARK 500    PHE A  88   CB  -  CG  -  CD2 ANGL. DEV. =  -4.6 DEGREES          
REMARK 500    PHE A  88   CB  -  CG  -  CD1 ANGL. DEV. =   6.0 DEGREES          
REMARK 500    ARG A 167   CD  -  NE  -  CZ  ANGL. DEV. =   8.6 DEGREES          
REMARK 500    ARG A 167   NE  -  CZ  -  NH1 ANGL. DEV. =   3.5 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    PHE A  93      -61.24   -146.91                                   
REMARK 500    ASP A  98       33.80    -99.44                                   
REMARK 500    ALA A 145     -131.42     51.66                                   
REMARK 500    ALA A 169        3.33    -69.70                                   
REMARK 500    ASP A 175       84.65     -5.96                                   
REMARK 500    ASN A 179      -17.83   -156.95                                   
REMARK 500    LYS A 234       83.60   -152.31                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 PHE A  174     ASP A  175                 -144.93                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1DEA   RELATED DB: PDB                                   
REMARK 900 CONTAINS THE SAME MOLECULE COMPLEXED WITH PHOSPHATE IONS             
REMARK 900 RELATED ID: 1HOT   RELATED DB: PDB                                   
REMARK 900 CONTAINS THE SAME MOLECULE COMPLEXED WITH THE ALLOSTERIC ACTIVATOR   
REMARK 900 N-ACETYL-GLUCOSAMINE-6-PHOSPHATE AT 2.4A RESOLUTION                  
REMARK 900 RELATED ID: 1HOR   RELATED DB: PDB                                   
REMARK 900 CONTAINS THE SAME MOLECULE COMPLEXED WITH THE COMPETITIVE INHIBITOR  
REMARK 900 2-DEOXY-2-AMINO-GLUCITOL 6-PHOSPHATE                                 
REMARK 900 RELATED ID: 1CD5   RELATED DB: PDB                                   
REMARK 900 CONTAINS THE SAME MOLECULE IN THE T CONFORMER AT 2.3A RESOLUTION     
REMARK 900 RELATED ID: 1D9T   RELATED DB: PDB                                   
REMARK 900 CONTAINS THE ENZYME FROM HUMAN COMPLEXED WITH SULPHATE IONS AND THE  
REMARK 900 ALLOSTERIC ACTIVATOR N-ACETYL-GLUCOSAMINE-6-PHOSPHATE                
REMARK 900 RELATED ID: 1FRZ   RELATED DB: PDB                                   
REMARK 900 CONTAINS THE SAME MOLECULE COMPLEXED WITH THE ALLOSTERIC ACTIVATOR   
REMARK 900 N-ACETYL-GLUCOSAMINE-6-PHOSPHATE AT 2.2A RESOLUTION, WITH THE        
REMARK 900 ACTIVE SITE FREE OF LIGANDS                                          
REMARK 900 RELATED ID: 1FQO   RELATED DB: PDB                                   
REMARK 900 CONTAINS THE SAME MOLECULE COMPLEXED WITH THE SUBSTRATE OF THE       
REMARK 900 REVERSE REACTION FRUCTOSE-6-PHOSPHATE                                
REMARK 900 RELATED ID: 1FS5   RELATED DB: PDB                                   
REMARK 900 CONTAINS THE SAME MOLECULE COMPLEXED WITH THE ALLOSTERIC ACTIVATOR   
REMARK 900 N-ACETYL-GLUCOSAMINE-6-PHOSPHATE AT 1.73A RESOLUTION, WITH THREE     
REMARK 900 MULTIPLE CONFORMATIONS IN THE ACTIVE SITE LID AND NEIGBOURING LOOPS  
REMARK 900 RELATED ID: 1FS6   RELATED DB: PDB                                   
REMARK 900 1FS6 CONTAINS THE SAME MOLECULE IN THE T CONFORMER AT 2.2A           
REMARK 900 RESOLUTION, COLLECTED AT LIQUID NITROGEN TEMPERATURES.               
DBREF  1FSF A    1   266  UNP    P0A759   NAGB_ECOLI       1    266             
SEQRES   1 A  266  MET ARG LEU ILE PRO LEU THR THR ALA GLU GLN VAL GLY          
SEQRES   2 A  266  LYS TRP ALA ALA ARG HIS ILE VAL ASN ARG ILE ASN ALA          
SEQRES   3 A  266  PHE LYS PRO THR ALA ASP ARG PRO PHE VAL LEU GLY LEU          
SEQRES   4 A  266  PRO THR GLY GLY THR PRO MET THR THR TYR LYS ALA LEU          
SEQRES   5 A  266  VAL GLU MET HIS LYS ALA GLY GLN VAL SER PHE LYS HIS          
SEQRES   6 A  266  VAL VAL THR PHE ASN MET ASP GLU TYR VAL GLY LEU PRO          
SEQRES   7 A  266  LYS GLU HIS PRO GLU SER TYR TYR SER PHE MET HIS ARG          
SEQRES   8 A  266  ASN PHE PHE ASP HIS VAL ASP ILE PRO ALA GLU ASN ILE          
SEQRES   9 A  266  ASN LEU LEU ASN GLY ASN ALA PRO ASP ILE ASP ALA GLU          
SEQRES  10 A  266  CYS ARG GLN TYR GLU GLU LYS ILE ARG SER TYR GLY LYS          
SEQRES  11 A  266  ILE HIS LEU PHE MET GLY GLY VAL GLY ASN ASP GLY HIS          
SEQRES  12 A  266  ILE ALA PHE ASN GLU PRO ALA SER SER LEU ALA SER ARG          
SEQRES  13 A  266  THR ARG ILE LYS THR LEU THR HIS ASP THR ARG VAL ALA          
SEQRES  14 A  266  ASN SER ARG PHE PHE ASP ASN ASP VAL ASN GLN VAL PRO          
SEQRES  15 A  266  LYS TYR ALA LEU THR VAL GLY VAL GLY THR LEU LEU ASP          
SEQRES  16 A  266  ALA GLU GLU VAL MET ILE LEU VAL LEU GLY SER GLN LYS          
SEQRES  17 A  266  ALA LEU ALA LEU GLN ALA ALA VAL GLU GLY CYS VAL ASN          
SEQRES  18 A  266  HIS MET TRP THR ILE SER CYS LEU GLN LEU HIS PRO LYS          
SEQRES  19 A  266  ALA ILE MET VAL CYS ASP GLU PRO SER THR MET GLU LEU          
SEQRES  20 A  266  LYS VAL LYS THR LEU ARG TYR PHE ASN GLU LEU GLU ALA          
SEQRES  21 A  266  GLU ASN ILE LYS GLY LEU                                      
FORMUL   2  HOH   *298(H2 O)                                                    
HELIX    1   1 THR A    8  LYS A   28  1                                  21    
HELIX    2   2 PRO A   45  ALA A   58  1                                  14    
HELIX    3   3 SER A   84  PHE A   93  1                                  10    
HELIX    4   4 PHE A   94  VAL A   97  5                                   4    
HELIX    5   5 PRO A  100  GLU A  102  5                                   3    
HELIX    6   6 ASP A  113  GLY A  129  1                                  17    
HELIX    7   7 THR A  163  ALA A  169  1                                   7    
HELIX    8   8 GLY A  189  ASP A  195  1                                   7    
HELIX    9   9 GLY A  205  GLN A  207  5                                   3    
HELIX   10  10 LYS A  208  GLU A  217  1                                  10    
HELIX   11  11 TRP A  224  HIS A  232  5                                   9    
HELIX   12  12 GLU A  241  MET A  245  5                                   5    
HELIX   13  13 LYS A  248  GLU A  259  1                                  12    
HELIX   14  14 ALA A  260  LYS A  264  5                                   5    
SHEET    1   A 7 ARG A   2  PRO A   5  0                                        
SHEET    2   A 7 ALA A 235  CYS A 239  1  O  ALA A 235   N  ARG A   2           
SHEET    3   A 7 VAL A 199  VAL A 203  1  O  VAL A 199   N  ILE A 236           
SHEET    4   A 7 LEU A 133  GLY A 136  1  O  PHE A 134   N  MET A 200           
SHEET    5   A 7 PHE A  35  LEU A  39  1  O  VAL A  36   N  LEU A 133           
SHEET    6   A 7 VAL A  66  ASN A  70  1  O  VAL A  67   N  LEU A  37           
SHEET    7   A 7 ILE A 104  ASN A 105  1  O  ASN A 105   N  ASN A  70           
SHEET    1   B 3 ASP A  72  TYR A  74  0                                        
SHEET    2   B 3 TYR A 184  THR A 187 -1  N  LEU A 186   O  GLU A  73           
SHEET    3   B 3 ARG A 158  THR A 161 -1  O  ARG A 158   N  THR A 187           
CRYST1  126.676  126.676  139.326  90.00  90.00 120.00 P 63 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      0.007894  0.004558  0.000000        0.00000                         
SCALE2      0.000000  0.009115  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007177        0.00000