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Database: PDB
Entry: 1AED
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HEADER    OXIDOREDUCTASE                          24-FEB-97   1AED              
TITLE     SPECIFICITY OF LIGAND BINDING TO A BURIED POLAR CAVITY AT THE ACTIVE  
TITLE    2 SITE OF CYTOCHROME C PEROXIDASE (3,4-DIMETHYLTHIAZOLE)               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYTOCHROME C PEROXIDASE;                                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: CCP/W191G;                                                  
COMPND   5 EC: 1.11.1.5;                                                        
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES;                                                       
COMPND   8 OTHER_DETAILS: CRYSTAL FORM BY                                       
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE;                       
SOURCE   3 ORGANISM_COMMON: BAKER'S YEAST;                                      
SOURCE   4 ORGANISM_TAXID: 4932;                                                
SOURCE   5 CELL_LINE: BL21;                                                     
SOURCE   6 ORGANELLE: MITOCHONDRIA;                                             
SOURCE   7 CELLULAR_LOCATION: MITOCHONDRIA;                                     
SOURCE   8 GENE: CCP;                                                           
SOURCE   9 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE  10 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE  11 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3);                                
SOURCE  12 EXPRESSION_SYSTEM_CELLULAR_LOCATION: CYTOPLASM;                      
SOURCE  13 EXPRESSION_SYSTEM_PLASMID: PT7CCP;                                   
SOURCE  14 EXPRESSION_SYSTEM_GENE: CCP (MKT)                                    
KEYWDS    OXIDOREDUCTASE, PEROXIDASE, TRANSIT PEPTIDE                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.A.MUSAH,G.M.JENSEN,M.M.FITZGERALD,D.E.MCREE,D.B.GOODIN              
REVDAT   6   02-AUG-23 1AED    1       REMARK                                   
REVDAT   5   03-NOV-21 1AED    1       REMARK SEQADV LINK                       
REVDAT   4   04-APR-18 1AED    1       REMARK                                   
REVDAT   3   24-FEB-09 1AED    1       VERSN                                    
REVDAT   2   01-APR-03 1AED    1       JRNL                                     
REVDAT   1   04-SEP-97 1AED    0                                                
JRNL        AUTH   R.A.MUSAH,G.M.JENSEN,S.W.BUNTE,R.J.ROSENFELD,D.B.GOODIN      
JRNL        TITL   ARTIFICIAL PROTEIN CAVITIES AS SPECIFIC LIGAND-BINDING       
JRNL        TITL 2 TEMPLATES: CHARACTERIZATION OF AN ENGINEERED HETEROCYCLIC    
JRNL        TITL 3 CATION-BINDING SITE THAT PRESERVES THE EVOLVED SPECIFICITY   
JRNL        TITL 4 OF THE PARENT PROTEIN.                                       
JRNL        REF    J.MOL.BIOL.                   V. 315   845 2002              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   11812152                                                     
JRNL        DOI    10.1006/JMBI.2001.5287                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   M.M.FITZGERALD,M.J.CHURCHILL,D.E.MCREE,D.B.GOODIN            
REMARK   1  TITL   SMALL MOLECULE BINDING TO AN ARTIFICIALLY CREATED CAVITY AT  
REMARK   1  TITL 2 THE ACTIVE SITE OF CYTOCHROME C PEROXIDASE                   
REMARK   1  REF    BIOCHEMISTRY                  V.  33  3807 1994              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   1 REFERENCE 2                                                          
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.    2.10 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : XTALVIEW                                             
REMARK   3   AUTHORS     : NULL                                                 
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 7.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 10000000.000                   
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.5000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 79.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 19099                          
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) : NULL                            
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            : 2338                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 50                                      
REMARK   3   SOLVENT ATOMS            : 100                                     
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) : NULL                            
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 1AED 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_1000170712.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : DEC-95                             
REMARK 200  TEMPERATURE           (KELVIN) : 290                                
REMARK 200  PH                             : 6.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU                             
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                  : AREA DETECTOR                      
REMARK 200  DETECTOR MANUFACTURER          : SIEMENS                            
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XENGEN                             
REMARK 200  DATA SCALING SOFTWARE          : XENGEN                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 20736                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 15.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 76.0                               
REMARK 200  DATA REDUNDANCY                : 2.900                              
REMARK 200  R MERGE                    (I) : 0.09400                            
REMARK 200  R SYM                      (I) : 0.09200                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.2400                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.30                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 77.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.23000                            
REMARK 200  R SYM FOR SHELL            (I) : 0.45000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.070                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: XTALVIEW                                              
REMARK 200 STARTING MODEL: PDB ENTRY 1AA4                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 61.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.20                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20% MPD, 40 MM PHOSPHATE PH 6.0. A       
REMARK 280  SINGLE CRYSTAL OF W191G WAS SOAKED IN 50MM 3,4-                     
REMARK 280  DIMETHYLTHIAZOLIUM IODIDE IN 40% MPD AND 60 MM PHOSPHATE AT PH      
REMARK 280  4.5.                                                                
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       54.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       25.90000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       38.65000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       25.90000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       54.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       38.65000            
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 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     MET A     1                                                      
REMARK 465     LYS A     2                                                      
REMARK 465     THR A     3                                                      
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    -0.070                       
REMARK 500    HIS A  60   NE2   HIS A  60   CD2    -0.067                       
REMARK 500    HIS A  96   NE2   HIS A  96   CD2    -0.069                       
REMARK 500    HIS A 175   NE2   HIS A 175   CD2    -0.069                       
REMARK 500    HIS A 181   NE2   HIS A 181   CD2    -0.072                       
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  31   NE  -  CZ  -  NH1 ANGL. DEV. =   3.3 DEGREES          
REMARK 500    ARG A  31   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.6 DEGREES          
REMARK 500    ARG A  48   NE  -  CZ  -  NH1 ANGL. DEV. =   4.9 DEGREES          
REMARK 500    TRP A  51   CD1 -  CG  -  CD2 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    TRP A  51   CB  -  CG  -  CD1 ANGL. DEV. =  -9.4 DEGREES          
REMARK 500    TRP A  51   CE2 -  CD2 -  CG  ANGL. DEV. =  -6.0 DEGREES          
REMARK 500    TRP A  51   CG  -  CD2 -  CE3 ANGL. DEV. =   6.1 DEGREES          
REMARK 500    TRP A  57   CD1 -  CG  -  CD2 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    TRP A  57   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.4 DEGREES          
REMARK 500    TYR A  71   CB  -  CG  -  CD2 ANGL. DEV. =  -4.5 DEGREES          
REMARK 500    ARG A  72   NE  -  CZ  -  NH1 ANGL. DEV. =   3.1 DEGREES          
REMARK 500    TRP A 101   CD1 -  CG  -  CD2 ANGL. DEV. =   6.8 DEGREES          
REMARK 500    TRP A 101   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.8 DEGREES          
REMARK 500    TRP A 126   CD1 -  CG  -  CD2 ANGL. DEV. =   6.6 DEGREES          
REMARK 500    TRP A 126   CE2 -  CD2 -  CG  ANGL. DEV. =  -6.1 DEGREES          
REMARK 500    ARG A 127   CB  -  CG  -  CD  ANGL. DEV. = -19.2 DEGREES          
REMARK 500    ARG A 127   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500    ARG A 127   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.0 DEGREES          
REMARK 500    ARG A 130   CG  -  CD  -  NE  ANGL. DEV. = -12.7 DEGREES          
REMARK 500    ARG A 130   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.3 DEGREES          
REMARK 500    ASN A 162   N   -  CA  -  C   ANGL. DEV. =  17.1 DEGREES          
REMARK 500    ASN A 162   CA  -  C   -  N   ANGL. DEV. = -15.4 DEGREES          
REMARK 500    ARG A 166   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500    TRP A 211   CD1 -  CG  -  CD2 ANGL. DEV. =   5.2 DEGREES          
REMARK 500    TRP A 211   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.2 DEGREES          
REMARK 500    TRP A 223   CD1 -  CG  -  CD2 ANGL. DEV. =   6.1 DEGREES          
REMARK 500    TRP A 223   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.8 DEGREES          
REMARK 500    TYR A 229   CB  -  CG  -  CD2 ANGL. DEV. =  -3.8 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    ASN A 141      153.53    -48.19                                   
REMARK 500    ASN A 162       75.82     -2.32                                   
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 295  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 175   NE2                                                    
REMARK 620 2 HEM A 295   NA   91.5                                              
REMARK 620 3 HEM A 295   NB   93.9  89.9                                        
REMARK 620 4 HEM A 295   NC   89.0 178.6  88.8                                  
REMARK 620 5 HEM A 295   ND   85.9  90.6 179.5  90.7                            
REMARK 620 6 HOH A 313   O   176.8  88.5  89.2  91.1  91.0                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AVE                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: REMOVAL OF TRP 191 FORMS AN INTERNAL CAVITY        
REMARK 800  BELOW THE HEME RELATIVE TO THE ACTIVE SITE.                         
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 295                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DTI A 296                 
DBREF  1AED A    4   294  UNP    P00431   CCPR_YEAST      71    361             
SEQADV 1AED ILE A   53  UNP  P00431    THR   120 VARIANT                        
SEQADV 1AED GLY A  152  UNP  P00431    ASP   219 VARIANT                        
SEQADV 1AED GLY A  191  UNP  P00431    TRP   258 ENGINEERED MUTATION            
SEQADV 1AED ASP A  272  UNP  P00431    ASN   339 CONFLICT                       
SEQRES   1 A  294  MET LYS THR LEU VAL HIS VAL ALA SER VAL GLU LYS GLY          
SEQRES   2 A  294  ARG SER TYR GLU ASP PHE GLN LYS VAL TYR ASN ALA ILE          
SEQRES   3 A  294  ALA LEU LYS LEU ARG GLU ASP ASP GLU TYR ASP ASN TYR          
SEQRES   4 A  294  ILE GLY TYR GLY PRO VAL LEU VAL ARG LEU ALA TRP HIS          
SEQRES   5 A  294  ILE SER GLY THR TRP ASP LYS HIS ASP ASN THR GLY GLY          
SEQRES   6 A  294  SER TYR GLY GLY THR TYR ARG PHE LYS LYS GLU PHE ASN          
SEQRES   7 A  294  ASP PRO SER ASN ALA GLY LEU GLN ASN GLY PHE LYS PHE          
SEQRES   8 A  294  LEU GLU PRO ILE HIS LYS GLU PHE PRO TRP ILE SER SER          
SEQRES   9 A  294  GLY ASP LEU PHE SER LEU GLY GLY VAL THR ALA VAL GLN          
SEQRES  10 A  294  GLU MET GLN GLY PRO LYS ILE PRO TRP ARG CYS GLY ARG          
SEQRES  11 A  294  VAL ASP THR PRO GLU ASP THR THR PRO ASP ASN GLY ARG          
SEQRES  12 A  294  LEU PRO ASP ALA ASP LYS ASP ALA GLY TYR VAL ARG THR          
SEQRES  13 A  294  PHE PHE GLN ARG LEU ASN MET ASN ASP ARG GLU VAL VAL          
SEQRES  14 A  294  ALA LEU MET GLY ALA HIS ALA LEU GLY LYS THR HIS LEU          
SEQRES  15 A  294  LYS ASN SER GLY TYR GLU GLY PRO GLY GLY ALA ALA ASN          
SEQRES  16 A  294  ASN VAL PHE THR ASN GLU PHE TYR LEU ASN LEU LEU ASN          
SEQRES  17 A  294  GLU ASP TRP LYS LEU GLU LYS ASN ASP ALA ASN ASN GLU          
SEQRES  18 A  294  GLN TRP ASP SER LYS SER GLY TYR MET MET LEU PRO THR          
SEQRES  19 A  294  ASP TYR SER LEU ILE GLN ASP PRO LYS TYR LEU SER ILE          
SEQRES  20 A  294  VAL LYS GLU TYR ALA ASN ASP GLN ASP LYS PHE PHE LYS          
SEQRES  21 A  294  ASP PHE SER LYS ALA PHE GLU LYS LEU LEU GLU ASP GLY          
SEQRES  22 A  294  ILE THR PHE PRO LYS ASP ALA PRO SER PRO PHE ILE PHE          
SEQRES  23 A  294  LYS THR LEU GLU GLU GLN GLY LEU                              
HET    HEM  A 295      43                                                       
HET    DTI  A 296      15                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     DTI 3,4-DIMETHYLTHIAZOLIUM ION                                       
HETSYN     HEM HEME                                                             
FORMUL   2  HEM    C34 H32 FE N4 O4                                             
FORMUL   3  DTI    C5 H8 N S 1+                                                 
FORMUL   4  HOH   *100(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  1                                  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  ASP A  272  1                                  18    
HELIX   13  J1 THR A  288  GLY A  293  1                                   6    
SHEET    1   A 2 TRP A 211  LYS A 215  0                                        
SHEET    2   A 2 GLU A 221  SER A 225 -1  N  ASP A 224   O  LYS A 212           
LINK         NE2 HIS A 175                FE   HEM A 295     1555   1555  2.00  
LINK        FE   HEM A 295                 O   HOH A 313     1555   1555  1.95  
SITE     1 AVE  3 ARG A  48  TRP A  51  HIS A  52                               
SITE     1 AC1 21 PRO A  44  VAL A  47  ARG A  48  TRP A  51                    
SITE     2 AC1 21 PRO A 145  ASP A 146  MET A 172  ALA A 174                    
SITE     3 AC1 21 HIS A 175  LEU A 177  GLY A 178  LYS A 179                    
SITE     4 AC1 21 THR A 180  HIS A 181  ASN A 184  SER A 185                    
SITE     5 AC1 21 DTI A 296  HOH A 302  HOH A 311  HOH A 313                    
SITE     6 AC1 21 HOH A 314                                                     
SITE     1 AC2  8 HIS A 175  LYS A 179  THR A 180  GLY A 191                    
SITE     2 AC2  8 LEU A 232  ASP A 235  HEM A 295  HOH A 405                    
CRYST1  108.000   77.300   51.800  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      0.009259  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012937  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.019305        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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