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Database: PDB
Entry: 1CCE
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HEADER    OXIDOREDUCTASE(H2O2(A))                 04-MAY-94   1CCE              
TITLE     CONSTRUCTION OF A BIS-AQUO HEME ENZYME AND REPLACEMENT WITH EXOGENOUS 
TITLE    2 LIGAND                                                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYTOCHROME C PEROXIDASE;                                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 1.11.1.5;                                                        
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE;                       
SOURCE   3 ORGANISM_COMMON: BAKER'S YEAST;                                      
SOURCE   4 ORGANISM_TAXID: 4932                                                 
KEYWDS    OXIDOREDUCTASE(H2O2(A))                                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.E.MCREE,G.M.JENSEN,M.M.FITZGERALD,H.A.SIEGEL,D.B.GOODIN             
REVDAT   4   07-FEB-24 1CCE    1       REMARK SEQADV LINK                       
REVDAT   3   29-NOV-17 1CCE    1       HELIX                                    
REVDAT   2   24-FEB-09 1CCE    1       VERSN                                    
REVDAT   1   31-JUL-94 1CCE    0                                                
JRNL        AUTH   D.E.MCREE,G.M.JENSEN,M.M.FITZGERALD,H.A.SIEGEL,D.B.GOODIN    
JRNL        TITL   CONSTRUCTION OF A BISAQUO HEME ENZYME AND BINDING BY         
JRNL        TITL 2 EXOGENOUS LIGANDS.                                           
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V.  91 12847 1994              
JRNL        REFN                   ISSN 0027-8424                               
JRNL        PMID   7809133                                                      
JRNL        DOI    10.1073/PNAS.91.26.12847                                     
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   D.B.GOODIN,D.E.MCREE                                         
REMARK   1  TITL   THE ASP-HIS-FE TRIAD OF CYTOCHROME C PEROXIDASE CONTROLS THE 
REMARK   1  TITL 2 REDUCTION POTENTIAL, ELECTRONIC STRUCTURE AND COUPLING OF    
REMARK   1  TITL 3 THE TRYPTOPHAN FREE-RADICAL TO THE HEME                      
REMARK   1  REF    BIOCHEMISTRY                  V.  32  3313 1993              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.30 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) : 2.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 7.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
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             : 12701                          
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) : 0.190                           
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            : 2342                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 43                                      
REMARK   3   SOLVENT ATOMS            : 86                                      
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) : 0.015                           
REMARK   3   BOND ANGLES            (DEGREES) : 3.100                           
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 1CCE 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_1000172226.                                   
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                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : NULL                               
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
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 : 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   (%): 54.02                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.68                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-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       52.60000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       22.70000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       37.15000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       22.70000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       52.60000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       37.15000            
REMARK 290   SMTRY3   4  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 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                                     
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 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     LYS A  12    NZ                                                  
REMARK 470     LYS A 260    NZ                                                  
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    HIS A   6   NE2   HIS A   6   CD2    -0.068                       
REMARK 500    HIS A  52   NE2   HIS A  52   CD2    -0.067                       
REMARK 500    HIS A  60   NE2   HIS A  60   CD2    -0.070                       
REMARK 500    HIS A  96   NE2   HIS A  96   CD2    -0.077                       
REMARK 500    HIS A 181   NE2   HIS A 181   CD2    -0.071                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A  14   NE  -  CZ  -  NH1 ANGL. DEV. =   6.8 DEGREES          
REMARK 500    ARG A  14   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.4 DEGREES          
REMARK 500    TYR A  16   CB  -  CG  -  CD2 ANGL. DEV. =  -4.1 DEGREES          
REMARK 500    TRP A  51   CD1 -  CG  -  CD2 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    TRP A  51   CE2 -  CD2 -  CG  ANGL. DEV. =  -6.0 DEGREES          
REMARK 500    TRP A  57   CD1 -  CG  -  CD2 ANGL. DEV. =   5.4 DEGREES          
REMARK 500    TRP A  57   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.6 DEGREES          
REMARK 500    ARG A  72   NE  -  CZ  -  NH1 ANGL. DEV. =   3.2 DEGREES          
REMARK 500    TRP A 101   CD1 -  CG  -  CD2 ANGL. DEV. =   6.8 DEGREES          
REMARK 500    TRP A 101   CB  -  CG  -  CD1 ANGL. DEV. =  -8.6 DEGREES          
REMARK 500    TRP A 101   CE2 -  CD2 -  CG  ANGL. DEV. =  -6.3 DEGREES          
REMARK 500    TRP A 126   CD1 -  CG  -  CD2 ANGL. DEV. =   5.2 DEGREES          
REMARK 500    ARG A 130   NE  -  CZ  -  NH1 ANGL. DEV. =   7.2 DEGREES          
REMARK 500    ARG A 130   NE  -  CZ  -  NH2 ANGL. DEV. =  -7.6 DEGREES          
REMARK 500    ARG A 155   NE  -  CZ  -  NH1 ANGL. DEV. =   7.8 DEGREES          
REMARK 500    ARG A 155   NE  -  CZ  -  NH2 ANGL. DEV. =  -7.5 DEGREES          
REMARK 500    ARG A 160   NE  -  CZ  -  NH1 ANGL. DEV. =   6.4 DEGREES          
REMARK 500    ARG A 160   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.8 DEGREES          
REMARK 500    MET A 163   CG  -  SD  -  CE  ANGL. DEV. = -10.9 DEGREES          
REMARK 500    ARG A 166   NE  -  CZ  -  NH1 ANGL. DEV. =   3.5 DEGREES          
REMARK 500    MET A 172   CG  -  SD  -  CE  ANGL. DEV. = -13.9 DEGREES          
REMARK 500    TRP A 191   CD1 -  CG  -  CD2 ANGL. DEV. =   6.2 DEGREES          
REMARK 500    TRP A 191   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.0 DEGREES          
REMARK 500    TRP A 211   CD1 -  CG  -  CD2 ANGL. DEV. =   5.5 DEGREES          
REMARK 500    TRP A 211   CE2 -  CD2 -  CG  ANGL. DEV. =  -4.8 DEGREES          
REMARK 500    TRP A 223   CD1 -  CG  -  CD2 ANGL. DEV. =   5.2 DEGREES          
REMARK 500    TRP A 223   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.2 DEGREES          
REMARK 500    TYR A 229   CB  -  CG  -  CD2 ANGL. DEV. =  -4.1 DEGREES          
REMARK 500    TYR A 244   CB  -  CG  -  CD2 ANGL. DEV. =  -3.6 DEGREES          
REMARK 500    TYR A 251   CB  -  CG  -  CD2 ANGL. DEV. =  -6.5 DEGREES          
REMARK 500    TYR A 251   CB  -  CG  -  CD1 ANGL. DEV. =   4.2 DEGREES          
REMARK 500    LYS A 278   CA  -  CB  -  CG  ANGL. DEV. = -15.7 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    ASP A  33       46.57    -94.88                                   
REMARK 500    MET A 119       30.73    -88.35                                   
REMARK 500    ASP A 148       40.41    -80.69                                   
REMARK 500    ASN A 162       64.21     22.70                                   
REMARK 500    ALA A 174        2.57    -66.28                                   
REMARK 500    ASN A 195       12.52    -68.35                                   
REMARK 500    ASN A 196       24.47   -152.15                                   
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                             HEM A   1  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 313   O                                                      
REMARK 620 2 HEM A   1   NA   83.8                                              
REMARK 620 3 HEM A   1   NB   87.2  87.9                                        
REMARK 620 4 HEM A   1   NC   96.3 178.4  90.5                                  
REMARK 620 5 HEM A   1   ND   91.3  91.3 178.4  90.3                            
REMARK 620 6 HOH A 387   O   176.4  94.8  96.1  85.2  85.4                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 1                   
DBREF  1CCE A    4   294  UNP    P00431   CCPR_YEAST      71    361             
SEQADV 1CCE ILE A   53  UNP  P00431    THR   120 CONFLICT                       
SEQADV 1CCE GLY A  152  UNP  P00431    ASP   219 CONFLICT                       
SEQADV 1CCE GLY A  175  UNP  P00431    HIS   242 CONFLICT                       
SEQRES   1 A  291  LEU VAL HIS VAL ALA SER VAL GLU LYS GLY ARG SER TYR          
SEQRES   2 A  291  GLU ASP PHE GLN LYS VAL TYR ASN ALA ILE ALA LEU LYS          
SEQRES   3 A  291  LEU ARG GLU ASP ASP GLU TYR ASP ASN TYR ILE GLY TYR          
SEQRES   4 A  291  GLY PRO VAL LEU VAL ARG LEU ALA TRP HIS ILE SER GLY          
SEQRES   5 A  291  THR TRP ASP LYS HIS ASP ASN THR GLY GLY SER TYR GLY          
SEQRES   6 A  291  GLY THR TYR ARG PHE LYS LYS GLU PHE ASN ASP PRO SER          
SEQRES   7 A  291  ASN ALA GLY LEU GLN ASN GLY PHE LYS PHE LEU GLU PRO          
SEQRES   8 A  291  ILE HIS LYS GLU PHE PRO TRP ILE SER SER GLY ASP LEU          
SEQRES   9 A  291  PHE SER LEU GLY GLY VAL THR ALA VAL GLN GLU MET GLN          
SEQRES  10 A  291  GLY PRO LYS ILE PRO TRP ARG CYS GLY ARG VAL ASP THR          
SEQRES  11 A  291  PRO GLU ASP THR THR PRO ASP ASN GLY ARG LEU PRO ASP          
SEQRES  12 A  291  ALA ASP LYS ASP ALA GLY TYR VAL ARG THR PHE PHE GLN          
SEQRES  13 A  291  ARG LEU ASN MET ASN ASP ARG GLU VAL VAL ALA LEU MET          
SEQRES  14 A  291  GLY ALA GLY ALA LEU GLY LYS THR HIS LEU LYS ASN SER          
SEQRES  15 A  291  GLY TYR GLU GLY PRO TRP GLY ALA ALA ASN ASN VAL PHE          
SEQRES  16 A  291  THR ASN GLU PHE TYR LEU ASN LEU LEU ASN GLU ASP TRP          
SEQRES  17 A  291  LYS LEU GLU LYS ASN ASP ALA ASN ASN GLU GLN TRP ASP          
SEQRES  18 A  291  SER LYS SER GLY TYR MET MET LEU PRO THR ASP TYR SER          
SEQRES  19 A  291  LEU ILE GLN ASP PRO LYS TYR LEU SER ILE VAL LYS GLU          
SEQRES  20 A  291  TYR ALA ASN ASP GLN ASP LYS PHE PHE LYS ASP PHE SER          
SEQRES  21 A  291  LYS ALA PHE GLU LYS LEU LEU GLU ASN GLY ILE THR PHE          
SEQRES  22 A  291  PRO LYS ASP ALA PRO SER PRO PHE ILE PHE LYS THR LEU          
SEQRES  23 A  291  GLU GLU GLN GLY LEU                                          
HET    HEM  A   1      43                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETSYN     HEM HEME                                                             
FORMUL   2  HEM    C34 H32 FE N4 O4                                             
FORMUL   3  HOH   *86(H2 O)                                                     
HELIX    1   A SER A   15  ASP A   33  1                                  19    
HELIX    2   B TYR A   42  SER A   54  1                                  13    
HELIX    3  B1 PHE A   73  ASN A   78  1                                   6    
HELIX    4   C GLY A   84  PHE A   99  1                                  16    
HELIX    5   D SER A  103  MET A  119  1BENT AT PRO 94                    17    
HELIX    6   E ASP A  150  PHE A  158  1                                   9    
HELIX    7   F ASN A  164  LEU A  177  1                                  14    
HELIX    8  F1 HIS A  181  GLY A  186  1                                   6    
HELIX    9   G GLU A  201  GLU A  209  1                                   9    
HELIX   10   H LEU A  232  GLN A  240  1                                   9    
HELIX   11   I ASP A  241  ASN A  253  1                                  13    
HELIX   12   J GLN A  255  ASN A  272  1                                  18    
HELIX   13  J1 THR A  288  GLY A  293  1                                   6    
SHEET    1   A 2 LYS A 179  THR A 180  0                                        
SHEET    2   A 2 GLY A 189  PRO A 190 -1  O  GLY A 189   N  THR A 180           
SHEET    1   B 3 TRP A 211  LYS A 215  0                                        
SHEET    2   B 3 GLU A 221  SER A 225 -1  N  GLN A 222   O  GLU A 214           
SHEET    3   B 3 MET A 230  MET A 231 -1  N  MET A 231   O  TRP A 223           
LINK        FE   HEM A   1                 O   HOH A 313     1555   1555  2.02  
LINK        FE   HEM A   1                 O   HOH A 387     1555   1555  2.01  
SITE     1 AC1 20 PRO A  44  VAL A  47  ARG A  48  TRP A  51                    
SITE     2 AC1 20 ASP A 146  LEU A 171  ALA A 174  LEU A 177                    
SITE     3 AC1 20 GLY A 178  LYS A 179  THR A 180  HIS A 181                    
SITE     4 AC1 20 ASN A 184  SER A 185  THR A 234  HOH A 302                    
SITE     5 AC1 20 HOH A 311  HOH A 313  HOH A 314  HOH A 387                    
CRYST1  105.200   74.300   45.400  90.00  90.00  90.00 P 21 21 21    4          
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      0.009506  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013459  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.022026        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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