HEADER    HYDROLASE                               09-AUG-05   2BZ1              
TITLE     CRYSTAL STRUCTURE OF APO E. COLI GTP CYCLOHYDROLASE II                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: GTP CYCLOHYDROLASE II;                                     
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 3.5.4.25;                                                        
COMPND   5 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: 469008;                                     
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   7 EXPRESSION_SYSTEM_PLASMID: PRETB                                     
KEYWDS    RIBOFLAVIN BIOSYNTHESIS, GTP CYCLOHYDROLASE II, CATALYTIC ZINC,       
KEYWDS   2 HYDROLASE, MAGNESIUM                                                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.REN,M.KOTAKA,M.LOCKYER,H.K.LAMB,A.R.HAWKINS,D.K.STAMMERS            
REVDAT   4   06-NOV-24 2BZ1    1       LINK                                     
REVDAT   3   24-FEB-09 2BZ1    1       VERSN                                    
REVDAT   2   02-NOV-05 2BZ1    1       JRNL                                     
REVDAT   1   19-AUG-05 2BZ1    0                                                
JRNL        AUTH   J.REN,M.KOTAKA,M.LOCKYER,H.K.LAMB,A.R.HAWKINS,D.K.STAMMERS   
JRNL        TITL   GTP CYCLOHYDROLASE II STRUCTURE AND MECHANISM.               
JRNL        REF    J.BIOL.CHEM.                  V. 280 36912 2005              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   16115872                                                     
JRNL        DOI    10.1074/JBC.M507725200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.54 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
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 : RESIDUAL, MLF                                   
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.54                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 28.57                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 2026961.740                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 91.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 27331                          
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) : 0.193                           
REMARK   3   FREE R VALUE                     : 0.212                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1334                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.006                           
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) : 1.54                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.64                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 50.60                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 2320                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2610                       
REMARK   3   BIN FREE R VALUE                    : 0.2600                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.70                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 139                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.022                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1348                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 29                                      
REMARK   3   SOLVENT ATOMS            : 203                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 21.80                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 25.80                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.34000                                              
REMARK   3    B22 (A**2) : 0.34000                                              
REMARK   3    B33 (A**2) : -0.67000                                             
REMARK   3    B12 (A**2) : 0.06000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.17                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.14                            
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) : 0.20                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.16                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.400                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.20                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.860                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 2.340 ; 4.000                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 3.000 ; 6.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 4.690 ; 6.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 6.010 ; 12.000               
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.37                                                 
REMARK   3   BSOL        : 64.69                                                
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  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  3  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  3   : WATER_REP.TOP                                  
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2BZ1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 09-AUG-05.                  
REMARK 100 THE DEPOSITION ID IS D_1290025241.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 22-SEP-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 7.00                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : BM14                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97912                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC CCD                           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 27407                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.540                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 89.4                               
REMARK 200  DATA REDUNDANCY                : 17.20                              
REMARK 200  R MERGE                    (I) : 0.04000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 76.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.54                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.60                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 26.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 1.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.25000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.300                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD                          
REMARK 200 SOFTWARE USED: SHELX                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 43.59                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.5M AMMONIUM SULPHATE, 0.1M NA HEPES    
REMARK 280  PH 7.0, 2% PEG 400, 15% GLYCEROL, PH 7.00                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65 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+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+1/6                                            
REMARK 290       6555   X-Y,X,Z+5/6                                             
REMARK 290       7555   Y,X,-Z+2/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+1/3                                          
REMARK 290      10555   -Y,-X,-Z+1/6                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+5/6                                            
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       85.75333            
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       42.87667            
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       64.31500            
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       21.43833            
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      107.19167            
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       85.75333            
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       42.87667            
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       21.43833            
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       64.31500            
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      107.19167            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PQS                                                   
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       35.96000            
REMARK 350   BIOMT2   2 -0.866025 -0.500000  0.000000       62.28455            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       21.43833            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A2087  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A2202  LIES ON A SPECIAL POSITION.                          
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     ARG A   175                                                      
REMARK 465     ASN A   176                                                      
REMARK 465     PRO A   177                                                      
REMARK 465     ASN A   178                                                      
REMARK 465     ASN A   179                                                      
REMARK 465     GLU A   180                                                      
REMARK 465     HIS A   181                                                      
REMARK 465     TYR A   182                                                      
REMARK 465     LEU A   183                                                      
REMARK 465     ASP A   184                                                      
REMARK 465     THR A   185                                                      
REMARK 465     LYS A   186                                                      
REMARK 465     ALA A   187                                                      
REMARK 465     GLU A   188                                                      
REMARK 465     LYS A   189                                                      
REMARK 465     MSE A   190                                                      
REMARK 465     GLY A   191                                                      
REMARK 465     HIS A   192                                                      
REMARK 465     LEU A   193                                                      
REMARK 465     LEU A   194                                                      
REMARK 465     ASN A   195                                                      
REMARK 465     LYS A   196                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     GLY A 174    CA   C    O                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   CE1  HIS A    43     CE1  HIS A    43     7554     2.16            
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    ASN A 143      -83.41   -108.82                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A2006        DISTANCE =  6.44 ANGSTROMS                       
REMARK 525    HOH A2033        DISTANCE =  5.93 ANGSTROMS                       
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A1174  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A  54   SG                                                     
REMARK 620 2 CYS A  65   SG  109.5                                              
REMARK 620 3 CYS A  67   SG  112.6 110.8                                        
REMARK 620 4 HOH A2191   O   109.9 110.0 103.9                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A1174                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A1175                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A1176                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A1177                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TAU A1179                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A1178                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2BZ0   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF E. COLI GTP CYCLOHYDROLASE II IN COMPLEX WITH   
REMARK 900 GTP ANALOGUE, GMPCPP, AND ZINC                                       
DBREF  2BZ1 A    1   196  UNP    P0A7I7   GCH2_ECOLI       1    196             
SEQRES   1 A  196  MSE GLN LEU LYS ARG VAL ALA GLU ALA LYS LEU PRO THR          
SEQRES   2 A  196  PRO TRP GLY ASP PHE LEU MSE VAL GLY PHE GLU GLU LEU          
SEQRES   3 A  196  ALA THR GLY HIS ASP HIS VAL ALA LEU VAL TYR GLY ASP          
SEQRES   4 A  196  ILE SER GLY HIS THR PRO VAL LEU ALA ARG VAL HIS SER          
SEQRES   5 A  196  GLU CYS LEU THR GLY ASP ALA LEU PHE SER LEU ARG CYS          
SEQRES   6 A  196  ASP CYS GLY PHE GLN LEU GLU ALA ALA LEU THR GLN ILE          
SEQRES   7 A  196  ALA GLU GLU GLY ARG GLY ILE LEU LEU TYR HIS ARG GLN          
SEQRES   8 A  196  GLU GLY ARG ASN ILE GLY LEU LEU ASN LYS ILE ARG ALA          
SEQRES   9 A  196  TYR ALA LEU GLN ASP GLN GLY TYR ASP THR VAL GLU ALA          
SEQRES  10 A  196  ASN HIS GLN LEU GLY PHE ALA ALA ASP GLU ARG ASP PHE          
SEQRES  11 A  196  THR LEU CYS ALA ASP MSE PHE LYS LEU LEU GLY VAL ASN          
SEQRES  12 A  196  GLU VAL ARG LEU LEU THR ASN ASN PRO LYS LYS VAL GLU          
SEQRES  13 A  196  ILE LEU THR GLU ALA GLY ILE ASN ILE VAL GLU ARG VAL          
SEQRES  14 A  196  PRO LEU ILE VAL GLY ARG ASN PRO ASN ASN GLU HIS TYR          
SEQRES  15 A  196  LEU ASP THR LYS ALA GLU LYS MSE GLY HIS LEU LEU ASN          
SEQRES  16 A  196  LYS                                                          
MODRES 2BZ1 MSE A    1  MET  SELENOMETHIONINE                                   
MODRES 2BZ1 MSE A   20  MET  SELENOMETHIONINE                                   
MODRES 2BZ1 MSE A  136  MET  SELENOMETHIONINE                                   
HET    MSE  A   1       8                                                       
HET    MSE  A  20       8                                                       
HET    MSE  A 136       8                                                       
HET     ZN  A1174       1                                                       
HET    SO4  A1175       5                                                       
HET    SO4  A1176       5                                                       
HET    SO4  A1177       5                                                       
HET    GOL  A1178       6                                                       
HET    TAU  A1179       7                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
HETNAM      ZN ZINC ION                                                         
HETNAM     SO4 SULFATE ION                                                      
HETNAM     GOL GLYCEROL                                                         
HETNAM     TAU 2-AMINOETHANESULFONIC ACID                                       
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   1  MSE    3(C5 H11 N O2 SE)                                            
FORMUL   2   ZN    ZN 2+                                                        
FORMUL   3  SO4    3(O4 S 2-)                                                   
FORMUL   6  GOL    C3 H8 O3                                                     
FORMUL   7  TAU    C2 H7 N O3 S                                                 
FORMUL   8  HOH   *203(H2 O)                                                    
HELIX    1   1 CYS A   54  ALA A   59  1                                   6    
HELIX    2   2 ASP A   66  GLY A   82  1                                  17    
HELIX    3   3 GLN A   91  ILE A   96  1                                   6    
HELIX    4   4 GLY A   97  GLN A  110  1                                  14    
HELIX    5   5 ASP A  113  LEU A  121  1                                   9    
HELIX    6   6 PHE A  130  LEU A  140  1                                  11    
HELIX    7   7 ASN A  151  ALA A  161  1                                  11    
SHEET    1  AA 7 LEU A   3  THR A  13  0                                        
SHEET    2  AA 7 GLY A  16  GLU A  25 -1  O  GLY A  16   N  THR A  13           
SHEET    3  AA 7 ASP A  31  TYR A  37 -1  O  HIS A  32   N  PHE A  23           
SHEET    4  AA 7 GLY A  84  HIS A  89 -1  O  GLY A  84   N  TYR A  37           
SHEET    5  AA 7 VAL A  46  SER A  52  1  O  LEU A  47   N  ILE A  85           
SHEET    6  AA 7 VAL A 145  LEU A 148  1  O  ARG A 146   N  ALA A  48           
SHEET    7  AA 7 ILE A 165  VAL A 169  1  N  VAL A 166   O  VAL A 145           
LINK         C   MSE A   1                 N   GLN A   2     1555   1555  1.33  
LINK         C   LEU A  19                 N   MSE A  20     1555   1555  1.33  
LINK         C   MSE A  20                 N   VAL A  21     1555   1555  1.33  
LINK         C   ASP A 135                 N   MSE A 136     1555   1555  1.33  
LINK         C   MSE A 136                 N   PHE A 137     1555   1555  1.33  
LINK         SG  CYS A  54                ZN    ZN A1174     1555   1555  2.30  
LINK         SG  CYS A  65                ZN    ZN A1174     1555   1555  2.32  
LINK         SG  CYS A  67                ZN    ZN A1174     1555   1555  2.31  
LINK        ZN    ZN A1174                 O   HOH A2191     1555   1555  1.99  
SITE     1 AC1  4 CYS A  54  CYS A  65  CYS A  67  HOH A2191                    
SITE     1 AC2  8 ARG A  94  TYR A 105  GLN A 108  HOH A2137                    
SITE     2 AC2  8 HOH A2191  HOH A2192  HOH A2193  HOH A2194                    
SITE     1 AC3  5 ARG A 128  LYS A 154  TAU A1179  HOH A2081                    
SITE     2 AC3  5 HOH A2195                                                     
SITE     1 AC4  3 PRO A 152  ARG A 168  HOH A2198                               
SITE     1 AC5  8 ARG A  49  GLN A  70  THR A 149  ASN A 150                    
SITE     2 AC5  8 LYS A 154  SO4 A1176  HOH A2079  HOH A2203                    
SITE     1 AC6  9 GLY A  57  ASP A  58  ALA A  59  LEU A  60                    
SITE     2 AC6  9 PHE A  61  HOH A2090  HOH A2105  HOH A2199                    
SITE     3 AC6  9 HOH A2200                                                     
CRYST1   71.920   71.920  128.630  90.00  90.00 120.00 P 65 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      0.013904  0.008028  0.000000        0.00000                         
SCALE2      0.000000  0.016055  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007774        0.00000                         
HETATM    1  N   MSE A   1      39.725  34.790  -3.687  1.00 23.32           N  
HETATM    2  CA  MSE A   1      38.402  34.117  -3.888  1.00 18.35           C  
HETATM    3  C   MSE A   1      38.291  32.970  -2.883  1.00 19.22           C  
HETATM    4  O   MSE A   1      38.938  31.933  -3.029  1.00 21.99           O  
HETATM    5  CB  MSE A   1      38.310  33.594  -5.331  1.00 17.66           C  
HETATM    6  CG  MSE A   1      37.080  32.763  -5.663  1.00 14.77           C  
HETATM    7 SE   MSE A   1      35.405  33.718  -5.291  1.00 27.38          SE  
HETATM    8  CE  MSE A   1      35.746  35.349  -6.283  1.00 18.00           C