HEADER    ISOMERASE                               05-MAR-99   1CD5              
TITLE     GLUCOSAMINE-6-PHOSPHATE DEAMINASE FROM E.COLI, T CONFORMER            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (GLUCOSAMINE 6-PHOSPHATE DEAMINASE);               
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 5.3.1.10;                                                        
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 83333;                                               
SOURCE   4 STRAIN: K12;                                                         
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    ALLOSTERIC ENZYME, ENTROPIC EFFECTS, ALDOSE-KETOSE ISOMERASE,         
KEYWDS   2 ISOMERASE                                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    E.HORJALES,M.M.ALTAMIRANO,M.L.CALCAGNO,R.C.GARRATT,G.OLIVA            
REVDAT   4   09-AUG-23 1CD5    1       REMARK                                   
REVDAT   3   13-JUL-11 1CD5    1       VERSN                                    
REVDAT   2   24-FEB-09 1CD5    1       VERSN                                    
REVDAT   1   06-MAR-00 1CD5    0                                                
JRNL        AUTH   E.HORJALES,M.M.ALTAMIRANO,M.L.CALCAGNO,R.C.GARRATT,G.OLIVA   
JRNL        TITL   THE ALLOSTERIC TRANSITION OF GLUCOSAMINE-6-PHOSPHATE         
JRNL        TITL 2 DEAMINASE: THE STRUCTURE OF THE T STATE AT 2.3 A RESOLUTION. 
JRNL        REF    STRUCTURE FOLD.DES.           V.   7   527 1999              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   10378272                                                     
JRNL        DOI    10.1016/S0969-2126(99)80069-0                                
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)) : 10000000.000                   
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0010                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 95.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 29545                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.207                           
REMARK   3   FREE R VALUE                     : 0.252                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 3829                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.004                           
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) : 2.30                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.40                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 95.30                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 3366                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3180                       
REMARK   3   BIN FREE R VALUE                    : 0.3500                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 10.00                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 392                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.010                        
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            : 141                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 18.80                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 41.60                          
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) : 0.29                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
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) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.011                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.500                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.30                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.390                           
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  : PARAM19X.PRO                                   
REMARK   3  PARAMETER FILE  2  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPH19X.PRO                                    
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1CD5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-MAR-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000000591.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-JAN-98                          
REMARK 200  TEMPERATURE           (KELVIN) : 277                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL7-1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.07                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (AGROVATA, SCALA              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 30597                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.0                               
REMARK 200  DATA REDUNDANCY                : 3.000                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 7.00000                            
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) : 2.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.40                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.00                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 34.0000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.600                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE, X-PLOR                                         
REMARK 200 STARTING MODEL: PDB ENTRY 1DEA                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 78.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM ACETATE, HEPES, PH 7.0, VAPOR     
REMARK 280  DIFFUSION, TEMPERATURE 293K                                         
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       69.55500            
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       69.55500            
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       69.55500            
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       69.55500            
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       69.55500            
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       69.55500            
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: HEXAMERIC                         
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      129.81000            
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       64.90500            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000      112.41876            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   4  0.500000 -0.866025  0.000000       64.90500            
REMARK 350   BIOMT2   4 -0.866025 -0.500000  0.000000      112.41876            
REMARK 350   BIOMT3   4  0.000000  0.000000 -1.000000       69.55500            
REMARK 350   BIOMT1   5 -1.000000  0.000000  0.000000      129.81000            
REMARK 350   BIOMT2   5  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   5  0.000000  0.000000 -1.000000       69.55500            
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       69.55500            
REMARK 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 AS THIS STRUCTURE PRESENTS THE ENZYME WITHOUT LIGANDS IT             
REMARK 400 CORRESPOND TO THE T-CONFORMER OF THIS ALLOSTERIC ENZYME.             
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     HIS A  164   CB   CG   ND1  CD2  CE1  NE2                        
REMARK 480     ARG A  167   CB   CG   CD   NE   CZ   NH1  NH2                   
REMARK 480     ARG A  172   N    CA   C    O    CB   CG   CD                    
REMARK 480     ARG A  172   NE   CZ   NH1  NH2                                  
REMARK 480     PHE A  173   N    CA   C    O    CB   CG   CD1                   
REMARK 480     PHE A  173   CD2  CE1  CE2  CZ                                   
REMARK 480     ASP A  175   N    CA   C    O    CB   CG   OD1                   
REMARK 480     ASP A  175   OD2                                                 
REMARK 480     ASN A  179   N    CA   C    O    CB   CG   OD1                   
REMARK 480     ASN A  179   ND2                                                 
REMARK 480     GLN A  180   N    CA   C    O    CB   CG   CD                    
REMARK 480     GLN A  180   OE1  NE2                                            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   HZ3  LYS A    79    HD22  ASN A   110              1.25            
REMARK 500   H    GLY A   265     H    LEU A   266              1.27            
REMARK 500  HD22  ASN A    25     H1   HOH A   603              1.34            
REMARK 500   HD1  HIS A    81     H    GLU A    83              1.35            
REMARK 500   H1   HOH A   610     O    HOH A   611              1.58            
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    LEU A 193   CA  -  CB  -  CG  ANGL. DEV. =  14.0 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      -64.56   -144.47                                   
REMARK 500    ASP A  98       36.14    -90.39                                   
REMARK 500    ALA A 145     -130.35     44.94                                   
REMARK 500    PHE A 174       62.76   -103.20                                   
REMARK 500    ASP A 175      -62.08     73.37                                   
REMARK 500    ASN A 176       14.24    156.38                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1CD5 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   *141(H2 O)                                                    
HELIX    1   1 ALA A    9  PHE A   27  1                                  19    
HELIX    2   2 THR A   44  LYS A   57  5                                  14    
HELIX    3   3 TYR A   85  ASN A   92  1                                   8    
HELIX    4   4 PHE A   94  HIS A   96  5                                   3    
HELIX    5   5 ALA A  101  ASN A  103  5                                   3    
HELIX    6   6 ILE A  114  TYR A  128  1                                  15    
HELIX    7   7 HIS A  164  PHE A  173  1                                  10    
HELIX    8   8 VAL A  190  LEU A  194  1                                   5    
HELIX    9   9 SER A  206  VAL A  216  5                                  11    
HELIX   10  10 THR A  225  LEU A  231  5                                   7    
HELIX   11  11 GLU A  241  THR A  244  5                                   4    
HELIX   12  12 VAL A  249  LEU A  258  1                                  10    
HELIX   13  13 ALA A  260  ASN A  262  5                                   3    
SHEET    1   A 4 ARG A   2  PRO A   5  0                                        
SHEET    2   A 4 ALA A 235  CYS A 239  1  N  MET A 237   O  ARG A   2           
SHEET    3   A 4 VAL A 199  VAL A 203  1  N  VAL A 199   O  ILE A 236           
SHEET    4   A 4 PHE A 134  GLY A 136  1  N  PHE A 134   O  MET A 200           
SHEET    1   B 2 PHE A  35  LEU A  39  0                                        
SHEET    2   B 2 VAL A  66  ASN A  70  1  N  VAL A  67   O  PHE A  35           
SHEET    1   C 3 ASP A  72  TYR A  74  0                                        
SHEET    2   C 3 TYR A 184  THR A 187 -1  N  LEU A 186   O  GLU A  73           
SHEET    3   C 3 ARG A 158  THR A 161 -1  N  LYS A 160   O  ALA A 185           
CRYST1  129.810  129.810  139.110  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      0.007703  0.004448  0.000000        0.00000                         
SCALE2      0.000000  0.008895  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007188        0.00000