HEADER    OXIDOREDUCTASE                          13-NOV-96   1GZA              
TITLE     PEROXIDASE                                                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PEROXIDASE;                                                
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 1.11.1.7;                                                        
COMPND   5 OTHER_DETAILS: PH 5.5                                                
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: 'ARTHROMYCES RAMOSUS';                          
SOURCE   3 ORGANISM_TAXID: 5451                                                 
KEYWDS    OXIDOREDUCTASE, GLYCOPROTEIN, PEROXIDASE, HEME                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    K.FUKUYAMA,H.ITAKURA                                                  
REVDAT   6   16-OCT-24 1GZA    1       HETSYN                                   
REVDAT   5   29-JUL-20 1GZA    1       COMPND REMARK HETNAM LINK                
REVDAT   5 2                   1       SITE   ATOM                              
REVDAT   4   29-NOV-17 1GZA    1       HELIX                                    
REVDAT   3   13-JUL-11 1GZA    1       VERSN                                    
REVDAT   2   24-FEB-09 1GZA    1       VERSN                                    
REVDAT   1   12-MAR-97 1GZA    0                                                
JRNL        AUTH   K.FUKUYAMA,K.SATO,H.ITAKURA,S.TAKAHASHI,T.HOSOYA             
JRNL        TITL   BINDING OF IODIDE TO ARTHROMYCES RAMOSUS PEROXIDASE          
JRNL        TITL 2 INVESTIGATED WITH X-RAY CRYSTALLOGRAPHIC ANALYSIS, 1H AND    
JRNL        TITL 3 127I NMR SPECTROSCOPY, AND STEADY-STATE KINETICS.            
JRNL        REF    J.BIOL.CHEM.                  V. 272  5752 1997              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   9038188                                                      
JRNL        DOI    10.1074/JBC.272.9.5752                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   N.KUNISHIMA,F.AMADA,K.FUKUYAMA,M.KAWAMOTO,T.MATSUNAGA,       
REMARK   1  AUTH 2 H.MATSUBARA                                                  
REMARK   1  TITL   PENTACOORDINATION OF THE HEME IRON OF ARTHROMYCES RAMOSUS    
REMARK   1  TITL 2 PEROXIDASE SHOWN BY A 1.8 A RESOLUTION CRYSTALLOGRAPHIC      
REMARK   1  TITL 3 STUDY AT PH 4.5                                              
REMARK   1  REF    FEBS LETT.                    V. 378   291 1996              
REMARK   1  REFN                   ISSN 0014-5793                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   K.FUKUYAMA,N.KUNISHIMA,F.AMADA,T.KUBOTA,H.MATSUBARA          
REMARK   1  TITL   CRYSTAL STRUCTURES OF CYANIDE-AND TRIIODIDE-BOUND FORMS OF   
REMARK   1  TITL 2 ARTHROMYCES RAMOSUS PEROXIDASE AT DIFFERENT PH VALUES.       
REMARK   1  TITL 3 PERTURBATIONS OF ACTIVE SITE RESIDUES AND THEIR IMPLICATION  
REMARK   1  TITL 4 IN ENZYME CATALYSIS                                          
REMARK   1  REF    J.BIOL.CHEM.                  V. 270 21884 1995              
REMARK   1  REFN                   ISSN 0021-9258                               
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   N.KUNISHIMA,K.FUKUYAMA,H.MATSUBARA,H.HATANAKA,Y.SHIBANO,     
REMARK   1  AUTH 2 T.AMACHI                                                     
REMARK   1  TITL   CRYSTAL STRUCTURE OF THE FUNGAL PEROXIDASE FROM ARTHROMYCES  
REMARK   1  TITL 2 RAMOSUS AT 1.9 A RESOLUTION. STRUCTURAL COMPARISONS WITH THE 
REMARK   1  TITL 3 LIGNIN AND CYTOCHROME C PEROXIDASES                          
REMARK   1  REF    J.MOL.BIOL.                   V. 235   331 1994              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1 REFERENCE 4                                                          
REMARK   1  AUTH   N.KUNISHIMA,K.FUKUYAMA,S.WAKABAYASHI,M.SUMIDA,M.TAKAYA,      
REMARK   1  AUTH 2 Y.SHIBANO,T.AMACHI,H.MATSUBARA                               
REMARK   1  TITL   CRYSTALLIZATION AND PRELIMINARY X-RAY DIFFRACTION STUDIES OF 
REMARK   1  TITL 2 PEROXIDASE FROM A FUNGUS ARTHROMYCES RAMOSUS                 
REMARK   1  REF    PROTEINS                      V.  15   216 1993              
REMARK   1  REFN                   ISSN 0887-3585                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.06 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR                                               
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.06                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 7.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : NULL                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.162                           
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2465                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 74                                      
REMARK   3   SOLVENT ATOMS            : 247                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
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) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.021                           
REMARK   3   BOND ANGLES            (DEGREES) : NULL                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1GZA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000173732.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : 5.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IIC                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.14                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.28                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 5.5                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 42 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -Y+1/2,X+1/2,Z+1/2                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+1/2                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+1/2                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z                                                
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       37.28500            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       37.28500            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       58.73500            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       37.28500            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       37.28500            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       58.73500            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       37.28500            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       37.28500            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       58.73500            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       37.28500            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       37.28500            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       58.73500            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE ASYMMETRIC UNIT OF THE CRYSTAL CONTAINS ONE MOLECULE.    
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: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
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 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     GLN A     1                                                      
REMARK 465     GLY A     2                                                      
REMARK 465     PRO A     3                                                      
REMARK 465     GLY A     4                                                      
REMARK 465     GLY A     5                                                      
REMARK 465     GLY A     6                                                      
REMARK 465     GLY A     7                                                      
REMARK 465     GLY A     8                                                      
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    TRP A  26   CD1 -  CG  -  CD2 ANGL. DEV. =   5.3 DEGREES          
REMARK 500    TRP A  26   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.2 DEGREES          
REMARK 500    LEU A  30   CA  -  CB  -  CG  ANGL. DEV. =  17.2 DEGREES          
REMARK 500    ARG A  48   NE  -  CZ  -  NH1 ANGL. DEV. =   7.4 DEGREES          
REMARK 500    ARG A  48   NE  -  CZ  -  NH2 ANGL. DEV. = -10.9 DEGREES          
REMARK 500    HIS A  83   CA  -  CB  -  CG  ANGL. DEV. = -10.2 DEGREES          
REMARK 500    MET A 126   CA  -  CB  -  CG  ANGL. DEV. = -12.8 DEGREES          
REMARK 500    ARG A 141   CG  -  CD  -  NE  ANGL. DEV. = -13.4 DEGREES          
REMARK 500    ARG A 141   NE  -  CZ  -  NH1 ANGL. DEV. =   8.2 DEGREES          
REMARK 500    ARG A 141   NE  -  CZ  -  NH2 ANGL. DEV. =  -8.8 DEGREES          
REMARK 500    ARG A 166   NE  -  CZ  -  NH1 ANGL. DEV. =   3.3 DEGREES          
REMARK 500    THR A 210   N   -  CA  -  CB  ANGL. DEV. = -15.0 DEGREES          
REMARK 500    ARG A 242   NE  -  CZ  -  NH1 ANGL. DEV. =   3.0 DEGREES          
REMARK 500    ARG A 242   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.6 DEGREES          
REMARK 500    ARG A 244   NE  -  CZ  -  NH1 ANGL. DEV. =   3.3 DEGREES          
REMARK 500    ARG A 244   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.1 DEGREES          
REMARK 500    TRP A 259   CD1 -  CG  -  CD2 ANGL. DEV. =   5.5 DEGREES          
REMARK 500    ARG A 272   NE  -  CZ  -  NH1 ANGL. DEV. =   5.4 DEGREES          
REMARK 500    ARG A 272   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500    ARG A 287   NE  -  CZ  -  NH1 ANGL. DEV. =   4.3 DEGREES          
REMARK 500    ARG A 287   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.3 DEGREES          
REMARK 500    VAL A 301   CG1 -  CB  -  CG2 ANGL. DEV. = -10.9 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    PRO A  13      -36.24    -37.18                                   
REMARK 500    ASN A  36      -68.53   -106.56                                   
REMARK 500    CYS A  43       75.31   -111.08                                   
REMARK 500    GLU A  44     -156.40   -127.69                                   
REMARK 500    LEU A 181        0.18    -69.30                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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                              CA A 346  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  57   OD1                                                    
REMARK 620 2 ASP A  57   O    76.5                                              
REMARK 620 3 GLY A  75   O    94.4  68.4                                        
REMARK 620 4 ASP A  77   OD1  92.5 135.3  69.5                                  
REMARK 620 5 SER A  79   OG   97.8 148.5 143.1  75.3                            
REMARK 620 6 HOH A 424   O   171.1  98.7  90.7  96.1  82.4                      
REMARK 620 7 HOH A 425   O    91.9  74.1 139.2 150.4  75.2  79.6                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A 345  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 184   NE2                                                    
REMARK 620 2 HEM A 345   NA   99.5                                              
REMARK 620 3 HEM A 345   NB   92.5  89.5                                        
REMARK 620 4 HEM A 345   NC   97.5 162.9  87.9                                  
REMARK 620 5 HEM A 345   ND   94.6  89.6 172.9  90.9                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 347  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 SER A 185   O                                                      
REMARK 620 2 SER A 185   OG   70.7                                              
REMARK 620 3 ASP A 202   OD1  77.3 110.6                                        
REMARK 620 4 ASP A 202   OD2  90.5  70.8  49.5                                  
REMARK 620 5 THR A 204   O    84.1 151.3  75.7 124.5                            
REMARK 620 6 THR A 204   OG1 142.5 145.8  79.0  95.8  62.0                      
REMARK 620 7 VAL A 207   O    88.5  86.4 152.1 156.1  79.1  99.5                
REMARK 620 8 ASP A 209   OD1 143.8  74.2 124.7  86.5 126.5  73.7  80.4          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: CA1                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: CALCIUM BINDING SITE.                              
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CA2                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: CALCIUM BINDING SITE.                              
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: GL1                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: SUGAR BINDING SITE.                                
DBREF  1GZA A    1   344  UNP    P28313   PER_ARTRA       21    364             
SEQRES   1 A  344  GLN GLY PRO GLY GLY GLY GLY GLY SER VAL THR CYS PRO          
SEQRES   2 A  344  GLY GLY GLN SER THR SER ASN SER GLN CYS CYS VAL TRP          
SEQRES   3 A  344  PHE ASP VAL LEU ASP ASP LEU GLN THR ASN PHE TYR GLN          
SEQRES   4 A  344  GLY SER LYS CYS GLU SER PRO VAL ARG LYS ILE LEU ARG          
SEQRES   5 A  344  ILE VAL PHE HIS ASP ALA ILE GLY PHE SER PRO ALA LEU          
SEQRES   6 A  344  THR ALA ALA GLY GLN PHE GLY GLY GLY GLY ALA ASP GLY          
SEQRES   7 A  344  SER ILE ILE ALA HIS SER ASN ILE GLU LEU ALA PHE PRO          
SEQRES   8 A  344  ALA ASN GLY GLY LEU THR ASP THR ILE GLU ALA LEU ARG          
SEQRES   9 A  344  ALA VAL GLY ILE ASN HIS GLY VAL SER PHE GLY ASP LEU          
SEQRES  10 A  344  ILE GLN PHE ALA THR ALA VAL GLY MET SER ASN CYS PRO          
SEQRES  11 A  344  GLY SER PRO ARG LEU GLU PHE LEU THR GLY ARG SER ASN          
SEQRES  12 A  344  SER SER GLN PRO SER PRO PRO SER LEU ILE PRO GLY PRO          
SEQRES  13 A  344  GLY ASN THR VAL THR ALA ILE LEU ASP ARG MET GLY ASP          
SEQRES  14 A  344  ALA GLY PHE SER PRO ASP GLU VAL VAL ASP LEU LEU ALA          
SEQRES  15 A  344  ALA HIS SER LEU ALA SER GLN GLU GLY LEU ASN SER ALA          
SEQRES  16 A  344  ILE PHE ARG SER PRO LEU ASP SER THR PRO GLN VAL PHE          
SEQRES  17 A  344  ASP THR GLN PHE TYR ILE GLU THR LEU LEU LYS GLY THR          
SEQRES  18 A  344  THR GLN PRO GLY PRO SER LEU GLY PHE ALA GLU GLU LEU          
SEQRES  19 A  344  SER PRO PHE PRO GLY GLU PHE ARG MET ARG SER ASP ALA          
SEQRES  20 A  344  LEU LEU ALA ARG ASP SER ARG THR ALA CYS ARG TRP GLN          
SEQRES  21 A  344  SER MET THR SER SER ASN GLU VAL MET GLY GLN ARG TYR          
SEQRES  22 A  344  ARG ALA ALA MET ALA LYS MET SER VAL LEU GLY PHE ASP          
SEQRES  23 A  344  ARG ASN ALA LEU THR ASP CYS SER ASP VAL ILE PRO SER          
SEQRES  24 A  344  ALA VAL SER ASN ASN ALA ALA PRO VAL ILE PRO GLY GLY          
SEQRES  25 A  344  LEU THR VAL ASP ASP ILE GLU VAL SER CYS PRO SER GLU          
SEQRES  26 A  344  PRO PHE PRO GLU ILE ALA THR ALA SER GLY PRO LEU PRO          
SEQRES  27 A  344  SER LEU ALA PRO ALA PRO                                      
MODRES 1GZA ASN A  143  ASN  GLYCOSYLATION SITE                                 
HET    NAG  B   1      14                                                       
HET    NAG  B   2      14                                                       
HET     CA  A 346       1                                                       
HET     CA  A 347       1                                                       
HET    IOD  A 702       1                                                       
HET    HEM  A 345      43                                                       
HETNAM     NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE                         
HETNAM      CA CALCIUM ION                                                      
HETNAM     IOD IODIDE ION                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETSYN     NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA-           
HETSYN   2 NAG  D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO-          
HETSYN   3 NAG  2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE                         
HETSYN     HEM HEME                                                             
FORMUL   2  NAG    2(C8 H15 N O6)                                               
FORMUL   3   CA    2(CA 2+)                                                     
FORMUL   5  IOD    I 1-                                                         
FORMUL   6  HEM    C34 H32 FE N4 O4                                             
FORMUL   7  HOH   *247(H2 O)                                                    
HELIX    1   A VAL A   25  ASN A   36  1                                  12    
HELIX    2   B SER A   45  ILE A   59  1                                  15    
HELIX    3  B1 SER A   62  ALA A   68  1                                   7    
HELIX    4  B2 HIS A   83  LEU A   88  1                                   6    
HELIX    5   C LEU A   96  HIS A  110  1                                  15    
HELIX    6   D SER A  113  SER A  127  1                                  15    
HELIX    7   E THR A  159  GLY A  171  1                                  13    
HELIX    8   F SER A  173  LEU A  186  1INCLUDES 3/10 HELIX               14    
HELIX    9   G GLN A  211  THR A  216  1                                   6    
HELIX   10   H MET A  243  ASP A  252  1                                  10    
HELIX   11   I THR A  255  MET A  262  1                                   8    
HELIX   12   J SER A  265  SER A  281  1                                  17    
SHEET    1   A 2 LEU A 138  THR A 139  0                                        
SHEET    2   A 2 THR A 291  ASP A 292 -1  O  THR A 291   N  THR A 139           
SHEET    1   B 2 SER A 188  GLN A 189  0                                        
SHEET    2   B 2 SER A 199  PRO A 200 -1  O  SER A 199   N  GLN A 189           
SHEET    1   C 2 GLU A 232  GLU A 233  0                                        
SHEET    2   C 2 ARG A 242  MET A 243 -1  O  ARG A 242   N  GLU A 233           
SHEET    1   D 2 VAL A 308  ILE A 309  0                                        
SHEET    2   D 2 ALA A 331  THR A 332  1  O  ALA A 331   N  ILE A 309           
SSBOND   1 CYS A   12    CYS A   24                          1555   1555  1.98  
SSBOND   2 CYS A   23    CYS A  293                          1555   1555  2.02  
SSBOND   3 CYS A   43    CYS A  129                          1555   1555  2.00  
SSBOND   4 CYS A  257    CYS A  322                          1555   1555  1.99  
LINK         ND2 ASN A 143                 C1  NAG B   1     1555   1555  1.46  
LINK         O4  NAG B   1                 C1  NAG B   2     1555   1555  1.42  
LINK         OD1 ASP A  57                CA    CA A 346     1555   1555  2.34  
LINK         O   ASP A  57                CA    CA A 346     1555   1555  2.46  
LINK         O   GLY A  75                CA    CA A 346     1555   1555  2.47  
LINK         OD1 ASP A  77                CA    CA A 346     1555   1555  2.39  
LINK         OG  SER A  79                CA    CA A 346     1555   1555  2.52  
LINK         NE2 HIS A 184                FE   HEM A 345     1555   1555  2.11  
LINK         O   SER A 185                CA    CA A 347     1555   1555  2.44  
LINK         OG  SER A 185                CA    CA A 347     1555   1555  2.41  
LINK         OD1 ASP A 202                CA    CA A 347     1555   1555  2.61  
LINK         OD2 ASP A 202                CA    CA A 347     1555   1555  2.48  
LINK         O   THR A 204                CA    CA A 347     1555   1555  2.50  
LINK         OG1 THR A 204                CA    CA A 347     1555   1555  2.55  
LINK         O   VAL A 207                CA    CA A 347     1555   1555  2.52  
LINK         OD1 ASP A 209                CA    CA A 347     1555   1555  2.45  
LINK        CA    CA A 346                 O   HOH A 424     1555   1555  2.50  
LINK        CA    CA A 346                 O   HOH A 425     1555   1555  2.41  
SITE     1 CA1  7  CA A 346  ASP A  57  GLY A  75  ASP A  77                    
SITE     2 CA1  7 SER A  79  HOH A 424  HOH A 425                               
SITE     1 CA2  6  CA A 347  SER A 185  ASP A 202  THR A 204                    
SITE     2 CA2  6 VAL A 207  ASP A 209                                          
SITE     1 GL1  3 NAG B   1  NAG B   2  ASN A 143                               
CRYST1   74.570   74.570  117.470  90.00  90.00  90.00 P 42 21 2     8          
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      0.013410  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013410  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008513        0.00000