HEADER OXIDOREDUCTASE 25-MAR-04 1STQ TITLE CYRSTAL STRUCTURE OF CYTOCHROME C PEROXIDASE MUTANT: CCPK2M3 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME C PEROXIDASE, MITOCHONDRIAL; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CCP, CCPK2M3; COMPND 5 EC: 1.11.1.5; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE; SOURCE 3 ORGANISM_COMMON: BAKER'S YEAST; SOURCE 4 ORGANISM_TAXID: 4932; SOURCE 5 GENE: CCP1, CCP, CPO, YKR066C; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PT7CCP KEYWDS CCP, HEME PEROXIDASE, CYTOCHROME C PEROXIDASE, HAEM PEROXIDASE, KEYWDS 2 OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR T.P.BARROWS,B.BHASKAR,T.L.POULOS REVDAT 4 14-FEB-24 1STQ 1 REMARK REVDAT 3 27-OCT-21 1STQ 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1STQ 1 VERSN REVDAT 1 13-JUL-04 1STQ 0 JRNL AUTH T.P.BARROWS,B.BHASKAR,T.L.POULOS JRNL TITL ELECTROSTATIC CONTROL OF THE TRYPTOPHAN RADICAL IN JRNL TITL 2 CYTOCHROME C PEROXIDASE. JRNL REF BIOCHEMISTRY V. 43 8826 2004 JRNL REFN ISSN 0006-2960 JRNL PMID 15236591 JRNL DOI 10.1021/BI049531G REMARK 2 REMARK 2 RESOLUTION. 1.82 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.82 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 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 : 35693 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.192 REMARK 3 FREE R VALUE : 0.216 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1888 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) : 1.82 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.84 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.3453 REMARK 3 BIN FREE R VALUE : 0.3723 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 45 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 : 2358 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 44 REMARK 3 SOLVENT ATOMS : 515 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) : 0.21 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) : 0.21 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 2.377 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 1STQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-MAR-04. REMARK 100 THE DEPOSITION ID IS D_1000021985. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-JUL-01 REMARK 200 TEMPERATURE (KELVIN) : 100 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 : OSMIC MIRRORS REMARK 200 OPTICS : OSMIC OPTICS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 37935 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.820 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.3 REMARK 200 DATA REDUNDANCY : 6.400 REMARK 200 R MERGE (I) : 0.04400 REMARK 200 R SYM (I) : 0.04300 REMARK 200 FOR THE DATA SET : 34.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.82 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.85 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.7 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.13300 REMARK 200 R SYM FOR SHELL (I) : 0.11900 REMARK 200 FOR SHELL : 13.85 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: RIGID BODY REFINEMENT WITH REMARK 200 WILD-TYPE STRUCTURE REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: CCPK2 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 60.10 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.08 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: MPD, POTASSIUM PHOSPHATE, PH 6.0, REMARK 280 VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K 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 53.39400 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 25.64050 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 37.84600 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 25.64050 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 53.39400 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 37.84600 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 THR A 1 REMARK 465 THR A 2 REMARK 465 PRO A 3 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 CD ARG A 166 O HOH A 1034 1.69 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 842 O HOH A 924 2574 0.24 REMARK 500 REMARK 500 REMARK: NULL 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 PHE A 77 CB PHE A 77 CG -0.107 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 PHE A 77 N - CA - CB ANGL. DEV. = 18.9 DEGREES REMARK 500 ARG A 166 CG - CD - NE ANGL. DEV. = -26.1 DEGREES REMARK 500 ARG A 166 CD - NE - CZ ANGL. DEV. = 18.0 DEGREES REMARK 500 ARG A 166 NE - CZ - NH2 ANGL. DEV. = 3.6 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 LYS A 12 114.13 -34.91 REMARK 500 ASP A 148 35.99 -96.88 REMARK 500 ASN A 194 62.87 -100.44 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 600 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 175 NE2 REMARK 620 2 HEM A 600 NA 98.5 REMARK 620 3 HEM A 600 NB 93.7 88.2 REMARK 620 4 HEM A 600 NC 95.4 166.0 89.7 REMARK 620 5 HEM A 600 ND 96.7 89.5 169.6 90.1 REMARK 620 6 HOH A 923 O 174.6 79.6 81.3 86.4 88.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A 601 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 176 OG1 REMARK 620 2 THR A 176 O 60.9 REMARK 620 3 THR A 192 OG1 108.3 55.0 REMARK 620 4 ASN A 194 O 139.2 98.8 80.6 REMARK 620 5 ASN A 194 OD1 158.9 124.1 69.7 61.9 REMARK 620 6 ASN A 194 ND2 141.6 157.5 106.4 62.8 37.1 REMARK 620 7 VAL A 197 O 82.6 114.1 150.5 74.1 109.7 75.1 REMARK 620 8 ASP A 199 OD1 74.6 126.0 122.3 135.1 88.7 73.3 86.7 REMARK 620 9 SER A 201 OG 89.5 99.9 73.8 130.5 69.6 84.7 134.9 48.6 REMARK 620 N 1 2 3 4 5 6 7 8 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 601 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 600 DBREF 1STQ A 1 294 UNP P00431 CCPR_YEAST 68 361 SEQADV 1STQ SER A 172 UNP P00431 MET 239 ENGINEERED MUTATION SEQADV 1STQ THR A 176 UNP P00431 ALA 243 ENGINEERED MUTATION SEQADV 1STQ THR A 192 UNP P00431 GLY 259 ENGINEERED MUTATION SEQADV 1STQ ASN A 194 UNP P00431 ALA 261 ENGINEERED MUTATION SEQADV 1STQ ASP A 199 UNP P00431 THR 266 ENGINEERED MUTATION SEQADV 1STQ SER A 201 UNP P00431 GLU 268 ENGINEERED MUTATION SEQADV 1STQ LEU A 230 UNP P00431 MET 297 ENGINEERED MUTATION SEQADV 1STQ GLN A 231 UNP P00431 MET 298 ENGINEERED MUTATION SEQRES 1 A 294 THR THR PRO 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 THR 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 ASP 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 SER GLY ALA HIS THR LEU GLY LYS THR HIS LEU SEQRES 15 A 294 LYS ASN SER GLY TYR GLU GLY PRO TRP THR ALA ASN ASN SEQRES 16 A 294 ASN VAL PHE ASP ASN SER 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 LEU GLN 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 ASN 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 K A 601 1 HET HEM A 600 43 HETNAM K POTASSIUM ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 2 K K 1+ FORMUL 3 HEM C34 H32 FE N4 O4 FORMUL 4 HOH *515(H2 O) HELIX 1 1 SER A 15 ASP A 33 1 19 HELIX 2 2 GLU A 35 ILE A 40 1 6 HELIX 3 3 TYR A 42 GLY A 55 1 14 HELIX 4 4 GLY A 69 ARG A 72 5 4 HELIX 5 5 PHE A 73 ASN A 78 1 6 HELIX 6 6 ASP A 79 ALA A 83 5 5 HELIX 7 7 GLY A 84 GLY A 84 5 1 HELIX 8 8 LEU A 85 PHE A 99 1 15 HELIX 9 9 SER A 103 MET A 119 1 17 HELIX 10 10 PRO A 134 THR A 138 5 5 HELIX 11 11 ASP A 150 ARG A 160 1 11 HELIX 12 12 ASN A 164 GLY A 173 1 10 HELIX 13 13 ALA A 174 LEU A 177 5 4 HELIX 14 14 HIS A 181 GLY A 186 1 6 HELIX 15 15 ASN A 200 GLU A 209 1 10 HELIX 16 16 LEU A 232 ASP A 241 1 10 HELIX 17 17 ASP A 241 ASN A 253 1 13 HELIX 18 18 ASP A 254 ASN A 272 1 19 HELIX 19 19 THR A 288 GLY A 293 1 6 SHEET 1 A 2 HIS A 6 VAL A 7 0 SHEET 2 A 2 ILE A 274 THR A 275 1 O THR A 275 N HIS A 6 SHEET 1 B 2 LYS A 179 THR A 180 0 SHEET 2 B 2 GLY A 189 PRO A 190 -1 O GLY A 189 N THR A 180 SHEET 1 C 3 LYS A 212 LYS A 215 0 SHEET 2 C 3 GLU A 221 ASP A 224 -1 O ASP A 224 N LYS A 212 SHEET 3 C 3 LEU A 230 GLN A 231 -1 O GLN A 231 N TRP A 223 LINK NE2 HIS A 175 FE HEM A 600 1555 1555 2.09 LINK OG1 THR A 176 K K A 601 1555 1555 2.67 LINK O THR A 176 K K A 601 1555 1555 2.84 LINK OG1 THR A 192 K K A 601 1555 1555 3.17 LINK O ASN A 194 K K A 601 1555 1555 2.69 LINK OD1 ASN A 194 K K A 601 1555 1555 2.97 LINK ND2 ASN A 194 K K A 601 1555 1555 3.72 LINK O VAL A 197 K K A 601 1555 1555 2.61 LINK OD1 ASP A 199 K K A 601 1555 1555 2.97 LINK OG SER A 201 K K A 601 1555 1555 3.22 LINK FE HEM A 600 O HOH A 923 1555 1555 2.46 SITE 1 AC1 6 THR A 176 THR A 192 ASN A 194 VAL A 197 SITE 2 AC1 6 ASP A 199 SER A 201 SITE 1 AC2 23 PRO A 44 VAL A 45 ARG A 48 TRP A 51 SITE 2 AC2 23 PRO A 145 ASP A 146 ALA A 147 LEU A 171 SITE 3 AC2 23 ALA A 174 HIS A 175 GLY A 178 LYS A 179 SITE 4 AC2 23 THR A 180 HIS A 181 ASN A 184 SER A 185 SITE 5 AC2 23 TRP A 191 LEU A 232 THR A 234 HOH A 605 SITE 6 AC2 23 HOH A 640 HOH A 658 HOH A 923 CRYST1 106.788 75.692 51.281 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 0.009364 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013211 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019500 0.00000