HEADER ELECTRON TRANSPORT PROTEINS 30-MAY-00 1E2W TITLE N168F MUTANT OF CYTOCHROME F FROM CHLAMYDOMONAS REINHARDTII COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME F; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CHLAMYDOMONAS REINHARDTII; SOURCE 3 ORGANISM_TAXID: 3055; SOURCE 4 GENE: PETA; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: MV1190; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PUCPF2; SOURCE 9 EXPRESSION_SYSTEM_GENE: CCMABCDEFGH KEYWDS ELECTRON TRANSPORT PROTEINS, INTERNAL WATER CHAIN, PHOTOSYNTHETIC KEYWDS 2 FUNCTION IMPAIRED EXPDTA X-RAY DIFFRACTION AUTHOR G.SAINZ,C.J.CARRELL,M.V.PONAMAREV,G.M.SORIANO,W.A.CRAMER,J.L.SMITH REVDAT 3 06-DEC-23 1E2W 1 REMARK LINK REVDAT 2 24-FEB-09 1E2W 1 VERSN REVDAT 1 04-AUG-00 1E2W 0 JRNL AUTH G.SAINZ,C.J.CARRELL,M.V.PONAMAREV,G.M.SORIANO,W.A.CRAMER, JRNL AUTH 2 J.L.SMITH JRNL TITL INTERRUPTION OF THE INTERNAL WATER CHAIN OF CYTOCHROME F JRNL TITL 2 IMPAIRS PHOTOSYNTHETIC FUNCTION JRNL REF BIOCHEMISTRY V. 39 9164 2000 JRNL REFN ISSN 0006-2960 JRNL PMID 10924110 JRNL DOI 10.1021/BI0004596 REMARK 2 REMARK 2 RESOLUTION. 1.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.41 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1175031.810 REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.3 REMARK 3 NUMBER OF REFLECTIONS : 71219 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) : 0.197 REMARK 3 FREE R VALUE : 0.226 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.200 REMARK 3 FREE R VALUE TEST SET COUNT : 3704 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.70 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 90.80 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 10541 REMARK 3 BIN R VALUE (WORKING SET) : 0.2460 REMARK 3 BIN FREE R VALUE : 0.2820 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 578 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.012 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3832 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 86 REMARK 3 SOLVENT ATOMS : 757 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.34000 REMARK 3 B22 (A**2) : -0.58000 REMARK 3 B33 (A**2) : -0.76000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 1.76000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.18 REMARK 3 ESD FROM SIGMAA (A) : 0.13 REMARK 3 LOW RESOLUTION CUTOFF (A) : 27.8 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.21 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.14 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.290 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.770 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.350 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 6.660 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.36 REMARK 3 BSOL : 54.42 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : PARAM19X.HEME REMARK 3 PARAMETER FILE 4 : ION.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : TOPH19CNS.HEME REMARK 3 TOPOLOGY FILE 4 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE LOOP 186-190 IS BADLY DEFINED IN REMARK 3 THE ELECTRON DENSITY. ONLY THE MAIN CHAIN OF THE ARG 251 WAS REMARK 3 SEEN IN THE ELCTRON DENSITY MAP FOR THE B CHAIN , SO AN ALA 251 REMARK 3 WAS USED REMARK 4 REMARK 4 1E2W COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 30-MAY-00. REMARK 100 THE DEPOSITION ID IS D_1290004986. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-APR-99 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 6.70 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.6526 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : CUSTOM-MADE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 73580 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 27.840 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 3.800 REMARK 200 R MERGE (I) : 0.04600 REMARK 200 R SYM (I) : 0.04600 REMARK 200 FOR THE DATA SET : 28.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.66 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.50 REMARK 200 R MERGE FOR SHELL (I) : 0.37800 REMARK 200 R SYM FOR SHELL (I) : 0.37800 REMARK 200 FOR SHELL : 3.540 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS 1.0 REMARK 200 STARTING MODEL: 1E2V REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.62 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: THE PROTEIN WAS BUFFERED IN 10 MM REMARK 280 NA2HPO4/NAH2PO4, PH 7.5, 1 MM DTT, THE RESERVOIR CONTAINED 100 REMARK 280 MM MES, PH 6.7, 200 MM AMMONIUM FORMATE, 14% GLYCEROL, 17% PEG- REMARK 280 3350., PH 6.70 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 40.59000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 400 REMARK 400 COMPOUND REMARK 400 CHAIN A, B, C ENGINEERED MUTATION ASN168PHE. REMARK 400 ONLY THE SOLUBLE DOMAIN OF THE MATURE MEMBRANE PROTEIN REMARK 400 WAS EXPRESSED AND CRYSTALLIZED (251 A.A. OF 317 A.A.). REMARK 400 31-RESIDUE PRE-SEQUENCE IS A THYLAKOID IMPORT SIGNAL REMARK 400 C-TERMINAL 35-RESIDUES ARE THE MEMBRANE ANCHOR. REMARK 400 BOTH WERE EXCLUDED FROM THE EXPRESSED CONSTRUCT. 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 ARG B 251 CG CD NE CZ NH1 NH2 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 188 103.38 80.05 REMARK 500 LYS A 189 8.47 169.34 REMARK 500 ALA A 250 119.33 44.16 REMARK 500 PHE B 168 52.31 -98.81 REMARK 500 SER B 186 161.03 54.39 REMARK 500 LYS B 188 -102.82 60.18 REMARK 500 LYS B 189 -83.28 26.48 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A2013 DISTANCE = 6.86 ANGSTROMS REMARK 525 HOH B2003 DISTANCE = 5.93 ANGSTROMS REMARK 525 HOH B2107 DISTANCE = 6.04 ANGSTROMS REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEC A 900 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TYR A 1 N REMARK 620 2 HEC A 900 NA 87.5 REMARK 620 3 HEC A 900 NB 94.1 89.4 REMARK 620 4 HEC A 900 NC 89.3 176.6 89.6 REMARK 620 5 HEC A 900 ND 85.9 90.2 179.6 90.8 REMARK 620 6 HIS A 25 NE2 176.8 91.7 89.0 91.6 90.9 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEC B 900 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TYR B 1 N REMARK 620 2 HEC B 900 NA 88.4 REMARK 620 3 HEC B 900 NB 94.9 90.5 REMARK 620 4 HEC B 900 NC 87.7 176.0 89.7 REMARK 620 5 HEC B 900 ND 86.6 90.2 178.4 89.7 REMARK 620 6 HIS B 25 NE2 176.0 91.9 89.1 92.1 89.4 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 HEC A 900 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEC B 900 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1E2V RELATED DB: PDB REMARK 900 N153Q MUTANT OF CYTOCHROME F FROM CHLAMYDOMONAS REINHARDTII REMARK 900 RELATED ID: 1E2Z RELATED DB: PDB REMARK 900 Q158L MUTANT OF CYTOCHROME F FROM CHLAMYDOMONAS REINHARDTII REMARK 900 RELATED ID: 1CFM RELATED DB: PDB REMARK 900 WILD TYPE CYTOCHROME F FROM CHLAMYDOMONAS REINHARDTII REMARK 900 RELATED ID: 1HCZ RELATED DB: PDB REMARK 900 LUMEN-SIDE DOMAIN OF REDUCED CYTOCHROME F AT -35 DEGREES CELSIUS REMARK 900 (BRASSICA RAPA) REMARK 900 RELATED ID: 1CI3 RELATED DB: PDB REMARK 900 CYTOCHROME F FROM THE B6F COMPLEX OF PHORMIDIUM LAMINOSUM REMARK 900 RELATED ID: 1EWH RELATED DB: PDB REMARK 900 STRUCTURE OF CYTOCHROME F FROM CHLAMYDOMONAS REINHARDTII DBREF 1E2W A 1 251 UNP P23577 CYF_CHLRE 32 282 DBREF 1E2W B 1 251 UNP P23577 CYF_CHLRE 32 282 SEQADV 1E2W PHE A 168 UNP P23577 ASN 199 ENGINEERED MUTATION SEQADV 1E2W PHE B 168 UNP P23577 ASN 199 ENGINEERED MUTATION SEQRES 1 A 251 TYR PRO VAL PHE ALA GLN GLN ASN TYR ALA ASN PRO ARG SEQRES 2 A 251 GLU ALA ASN GLY ARG ILE VAL CYS ALA ASN CYS HIS LEU SEQRES 3 A 251 ALA GLN LYS ALA VAL GLU ILE GLU VAL PRO GLN ALA VAL SEQRES 4 A 251 LEU PRO ASP THR VAL PHE GLU ALA VAL ILE GLU LEU PRO SEQRES 5 A 251 TYR ASP LYS GLN VAL LYS GLN VAL LEU ALA ASN GLY LYS SEQRES 6 A 251 LYS GLY ASP LEU ASN VAL GLY MET VAL LEU ILE LEU PRO SEQRES 7 A 251 GLU GLY PHE GLU LEU ALA PRO PRO ASP ARG VAL PRO ALA SEQRES 8 A 251 GLU ILE LYS GLU LYS VAL GLY ASN LEU TYR TYR GLN PRO SEQRES 9 A 251 TYR SER PRO GLU GLN LYS ASN ILE LEU VAL VAL GLY PRO SEQRES 10 A 251 VAL PRO GLY LYS LYS TYR SER GLU MET VAL VAL PRO ILE SEQRES 11 A 251 LEU SER PRO ASP PRO ALA LYS ASN LYS ASN VAL SER TYR SEQRES 12 A 251 LEU LYS TYR PRO ILE TYR PHE GLY GLY ASN ARG GLY ARG SEQRES 13 A 251 GLY GLN VAL TYR PRO ASP GLY LYS LYS SER ASN PHE THR SEQRES 14 A 251 ILE TYR ASN ALA SER ALA ALA GLY LYS ILE VAL ALA ILE SEQRES 15 A 251 THR ALA LEU SER GLU LYS LYS GLY GLY PHE GLU VAL SER SEQRES 16 A 251 ILE GLU LYS ALA ASN GLY GLU VAL VAL VAL ASP LYS ILE SEQRES 17 A 251 PRO ALA GLY PRO ASP LEU ILE VAL LYS GLU GLY GLN THR SEQRES 18 A 251 VAL GLN ALA ASP GLN PRO LEU THR ASN ASN PRO ASN VAL SEQRES 19 A 251 GLY GLY PHE GLY GLN ALA GLU THR GLU ILE VAL LEU GLN SEQRES 20 A 251 ASN PRO ALA ARG SEQRES 1 B 251 TYR PRO VAL PHE ALA GLN GLN ASN TYR ALA ASN PRO ARG SEQRES 2 B 251 GLU ALA ASN GLY ARG ILE VAL CYS ALA ASN CYS HIS LEU SEQRES 3 B 251 ALA GLN LYS ALA VAL GLU ILE GLU VAL PRO GLN ALA VAL SEQRES 4 B 251 LEU PRO ASP THR VAL PHE GLU ALA VAL ILE GLU LEU PRO SEQRES 5 B 251 TYR ASP LYS GLN VAL LYS GLN VAL LEU ALA ASN GLY LYS SEQRES 6 B 251 LYS GLY ASP LEU ASN VAL GLY MET VAL LEU ILE LEU PRO SEQRES 7 B 251 GLU GLY PHE GLU LEU ALA PRO PRO ASP ARG VAL PRO ALA SEQRES 8 B 251 GLU ILE LYS GLU LYS VAL GLY ASN LEU TYR TYR GLN PRO SEQRES 9 B 251 TYR SER PRO GLU GLN LYS ASN ILE LEU VAL VAL GLY PRO SEQRES 10 B 251 VAL PRO GLY LYS LYS TYR SER GLU MET VAL VAL PRO ILE SEQRES 11 B 251 LEU SER PRO ASP PRO ALA LYS ASN LYS ASN VAL SER TYR SEQRES 12 B 251 LEU LYS TYR PRO ILE TYR PHE GLY GLY ASN ARG GLY ARG SEQRES 13 B 251 GLY GLN VAL TYR PRO ASP GLY LYS LYS SER ASN PHE THR SEQRES 14 B 251 ILE TYR ASN ALA SER ALA ALA GLY LYS ILE VAL ALA ILE SEQRES 15 B 251 THR ALA LEU SER GLU LYS LYS GLY GLY PHE GLU VAL SER SEQRES 16 B 251 ILE GLU LYS ALA ASN GLY GLU VAL VAL VAL ASP LYS ILE SEQRES 17 B 251 PRO ALA GLY PRO ASP LEU ILE VAL LYS GLU GLY GLN THR SEQRES 18 B 251 VAL GLN ALA ASP GLN PRO LEU THR ASN ASN PRO ASN VAL SEQRES 19 B 251 GLY GLY PHE GLY GLN ALA GLU THR GLU ILE VAL LEU GLN SEQRES 20 B 251 ASN PRO ALA ARG HET HEC A 900 43 HET HEC B 900 43 HETNAM HEC HEME C FORMUL 3 HEC 2(C34 H34 FE N4 O4) FORMUL 5 HOH *757(H2 O) HELIX 1 1 TYR A 1 TYR A 9 1 9 HELIX 2 2 VAL A 20 CYS A 24 5 5 HELIX 3 3 PRO A 85 VAL A 89 5 5 HELIX 4 4 PRO A 90 GLY A 98 1 9 HELIX 5 5 GLY A 120 SER A 124 1 5 HELIX 6 6 TYR B 1 TYR B 9 1 9 HELIX 7 7 VAL B 20 CYS B 24 5 5 HELIX 8 8 PRO B 85 VAL B 89 5 5 HELIX 9 9 PRO B 90 GLY B 98 1 9 HELIX 10 10 GLY B 120 SER B 124 1 5 SHEET 1 A 4 GLU A 32 GLU A 34 0 SHEET 2 A 4 VAL A 44 GLU A 50 -1 O VAL A 48 N GLU A 34 SHEET 3 A 4 GLU A 125 LEU A 131 -1 O MET A 126 N ILE A 49 SHEET 4 A 4 GLU A 82 LEU A 83 -1 O GLU A 82 N LEU A 131 SHEET 1 B 6 ALA A 38 VAL A 39 0 SHEET 2 B 6 GLY A 236 LEU A 246 1 O VAL A 245 N VAL A 39 SHEET 3 B 6 LYS A 145 ARG A 154 -1 O TYR A 146 N ILE A 244 SHEET 4 B 6 ASN A 70 ILE A 76 -1 O GLY A 72 N ASN A 153 SHEET 5 B 6 ILE A 112 PRO A 119 -1 O LEU A 113 N LEU A 75 SHEET 6 B 6 GLN A 103 PRO A 104 -1 O GLN A 103 N VAL A 114 SHEET 1 C 2 GLN A 59 VAL A 60 0 SHEET 2 C 2 LYS A 66 GLY A 67 -1 O GLY A 67 N GLN A 59 SHEET 1 D 4 VAL A 203 ILE A 208 0 SHEET 2 D 4 PHE A 192 GLU A 197 -1 O PHE A 192 N ILE A 208 SHEET 3 D 4 GLY A 177 ALA A 184 -1 O LYS A 178 N GLU A 197 SHEET 4 D 4 THR A 221 VAL A 222 -1 O VAL A 222 N GLY A 177 SHEET 1 E 4 GLU B 32 GLU B 34 0 SHEET 2 E 4 VAL B 44 GLU B 50 -1 O VAL B 48 N GLU B 34 SHEET 3 E 4 GLU B 125 LEU B 131 -1 O MET B 126 N ILE B 49 SHEET 4 E 4 GLU B 82 LEU B 83 -1 O GLU B 82 N LEU B 131 SHEET 1 F 6 ALA B 38 VAL B 39 0 SHEET 2 F 6 GLY B 236 LEU B 246 1 O VAL B 245 N VAL B 39 SHEET 3 F 6 LYS B 145 ARG B 154 -1 O TYR B 146 N ILE B 244 SHEET 4 F 6 ASN B 70 ILE B 76 -1 O GLY B 72 N ASN B 153 SHEET 5 F 6 ILE B 112 PRO B 119 -1 O LEU B 113 N LEU B 75 SHEET 6 F 6 GLN B 103 PRO B 104 -1 O GLN B 103 N VAL B 114 SHEET 1 G 2 GLN B 59 VAL B 60 0 SHEET 2 G 2 LYS B 66 GLY B 67 -1 O GLY B 67 N GLN B 59 SHEET 1 H 4 VAL B 203 ILE B 208 0 SHEET 2 H 4 PHE B 192 GLU B 197 -1 O PHE B 192 N ILE B 208 SHEET 3 H 4 GLY B 177 THR B 183 -1 O LYS B 178 N GLU B 197 SHEET 4 H 4 THR B 221 VAL B 222 -1 O VAL B 222 N GLY B 177 LINK SG CYS A 21 CAB HEC A 900 1555 1555 1.84 LINK SG CYS A 24 CAC HEC A 900 1555 1555 1.83 LINK SG CYS B 21 CAB HEC B 900 1555 1555 1.83 LINK SG CYS B 24 CAC HEC B 900 1555 1555 1.84 LINK N TYR A 1 FE HEC A 900 1555 1555 2.13 LINK NE2 HIS A 25 FE HEC A 900 1555 1555 2.12 LINK N TYR B 1 FE HEC B 900 1555 1555 2.13 LINK NE2 HIS B 25 FE HEC B 900 1555 1555 2.08 CISPEP 1 GLY A 116 PRO A 117 0 0.30 CISPEP 2 GLY B 116 PRO B 117 0 0.29 SITE 1 AC1 20 TYR A 1 PHE A 4 CYS A 21 CYS A 24 SITE 2 AC1 20 HIS A 25 GLN A 59 ASN A 70 VAL A 71 SITE 3 AC1 20 GLY A 72 MET A 73 ASN A 153 GLY A 155 SITE 4 AC1 20 ARG A 156 GLY A 157 VAL A 159 TYR A 160 SITE 5 AC1 20 HOH A2398 HOH A2399 HOH A2400 HOH A2401 SITE 1 AC2 23 TYR B 1 PHE B 4 CYS B 21 CYS B 24 SITE 2 AC2 23 HIS B 25 GLN B 59 LEU B 69 ASN B 70 SITE 3 AC2 23 VAL B 71 GLY B 72 MET B 73 ASN B 153 SITE 4 AC2 23 GLY B 155 ARG B 156 GLY B 157 VAL B 159 SITE 5 AC2 23 TYR B 160 PRO B 161 HOH B2352 HOH B2353 SITE 6 AC2 23 HOH B2354 HOH B2355 HOH B2356 CRYST1 59.030 81.180 61.080 90.00 103.52 90.00 P 1 21 1 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 0.016940 0.000000 0.004073 0.00000 SCALE2 0.000000 0.012318 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016838 0.00000