HEADER ELECTRON TRANSPORT 25-APR-00 1EWH TITLE STRUCTURE OF CYTOCHROME F FROM CHLAMYDOMONAS REINHARDTII COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME F; COMPND 3 CHAIN: A, B, C; COMPND 4 FRAGMENT: N-TERMINAL SOLUBLE FRAGMENT; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CHLAMYDOMONAS REINHARDTII; SOURCE 3 ORGANISM_TAXID: 3055; SOURCE 4 CELLULAR_LOCATION: CHLOROPLAST; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS BETA SANDWICH, HEME PROTEIN, ELECTRON TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR G.SAINZ,C.J.CARRELL,M.V.PONAMAREV,G.M.SORIANO,W.A.CRAMER,J.L.SMITH REVDAT 4 03-MAR-21 1EWH 1 COMPND REMARK HET HETNAM REVDAT 4 2 1 HETSYN FORMUL LINK ATOM REVDAT 3 31-JAN-18 1EWH 1 REMARK REVDAT 2 24-FEB-09 1EWH 1 VERSN REVDAT 1 09-AUG-00 1EWH 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. 2.35 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) : 2.35 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 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 : 34212 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.187 REMARK 3 FREE R VALUE : 0.256 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2773 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 : 5748 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 133 REMARK 3 SOLVENT ATOMS : 721 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 41.90 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) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.641 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.08 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.354 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 1EWH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-MAY-00. REMARK 100 THE DEPOSITION ID IS D_1000010962. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-MAY-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 35084 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.350 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.2 REMARK 200 DATA REDUNDANCY : 3.600 REMARK 200 R MERGE (I) : 0.05900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 20.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.35 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.43 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.03500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.54 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.65 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, CALCIUM ACETATE, MES, PH REMARK 280 6.5, VAPOR DIFFUSION, TEMPERATURE 20K, TEMPERATURE 293.0K 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 38.22500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 59.95000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 47.15000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 59.95000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 38.22500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 47.15000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: C 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 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 168 51.91 -104.00 REMARK 500 ALA A 184 82.74 -63.29 REMARK 500 SER A 186 151.70 44.91 REMARK 500 LYS A 188 41.22 36.71 REMARK 500 ASP B 42 44.93 32.67 REMARK 500 TYR B 101 74.21 -112.31 REMARK 500 LYS B 137 -65.19 -91.10 REMARK 500 ASN B 168 45.93 -101.70 REMARK 500 LYS B 188 -12.13 94.65 REMARK 500 ASN B 200 7.04 -63.49 REMARK 500 ALA B 250 -123.87 -48.40 REMARK 500 VAL C 20 -19.23 -47.35 REMARK 500 ASP C 42 44.15 37.93 REMARK 500 ASN C 168 60.27 -105.15 REMARK 500 LYS C 189 -0.95 -149.54 REMARK 500 LYS C 198 173.79 -58.87 REMARK 500 GLU C 202 176.19 -57.10 REMARK 500 ASP C 225 -4.39 69.97 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 A 489 DISTANCE = 5.86 ANGSTROMS REMARK 525 HOH A 493 DISTANCE = 6.13 ANGSTROMS REMARK 525 HOH A 508 DISTANCE = 5.98 ANGSTROMS REMARK 525 HOH B 337 DISTANCE = 6.08 ANGSTROMS REMARK 525 HOH B 377 DISTANCE = 7.62 ANGSTROMS REMARK 525 HOH B 429 DISTANCE = 7.58 ANGSTROMS REMARK 525 HOH B 448 DISTANCE = 7.15 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 253 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TYR A 1 N REMARK 620 2 HEC A 253 NA 89.7 REMARK 620 3 HEC A 253 NB 91.1 88.6 REMARK 620 4 HEC A 253 NC 88.1 177.7 90.7 REMARK 620 5 HEC A 253 ND 88.5 89.2 177.8 91.5 REMARK 620 6 HIS A 25 NE2 177.3 88.4 90.7 93.8 89.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEC B 253 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TYR B 1 N REMARK 620 2 HEC B 253 NA 85.6 REMARK 620 3 HEC B 253 NB 92.1 91.7 REMARK 620 4 HEC B 253 NC 86.9 172.5 87.8 REMARK 620 5 HEC B 253 ND 85.2 88.6 177.2 91.5 REMARK 620 6 HIS B 25 NE2 175.1 90.9 91.4 96.6 91.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEC C 253 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TYR C 1 N REMARK 620 2 HEC C 253 NA 86.7 REMARK 620 3 HEC C 253 NB 96.7 92.8 REMARK 620 4 HEC C 253 NC 91.4 178.1 87.8 REMARK 620 5 HEC C 253 ND 83.4 87.5 179.6 91.9 REMARK 620 6 HIS C 25 NE2 172.1 88.6 89.9 93.3 90.1 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 ACT C 801 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEC A 253 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEC B 253 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEC C 253 DBREF 1EWH A 1 251 UNP P23577 CYF_CHLRE 32 282 DBREF 1EWH B 1 251 UNP P23577 CYF_CHLRE 32 282 DBREF 1EWH C 1 251 UNP P23577 CYF_CHLRE 32 282 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 ASN 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 ASN 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 SEQRES 1 C 251 TYR PRO VAL PHE ALA GLN GLN ASN TYR ALA ASN PRO ARG SEQRES 2 C 251 GLU ALA ASN GLY ARG ILE VAL CYS ALA ASN CYS HIS LEU SEQRES 3 C 251 ALA GLN LYS ALA VAL GLU ILE GLU VAL PRO GLN ALA VAL SEQRES 4 C 251 LEU PRO ASP THR VAL PHE GLU ALA VAL ILE GLU LEU PRO SEQRES 5 C 251 TYR ASP LYS GLN VAL LYS GLN VAL LEU ALA ASN GLY LYS SEQRES 6 C 251 LYS GLY ASP LEU ASN VAL GLY MET VAL LEU ILE LEU PRO SEQRES 7 C 251 GLU GLY PHE GLU LEU ALA PRO PRO ASP ARG VAL PRO ALA SEQRES 8 C 251 GLU ILE LYS GLU LYS VAL GLY ASN LEU TYR TYR GLN PRO SEQRES 9 C 251 TYR SER PRO GLU GLN LYS ASN ILE LEU VAL VAL GLY PRO SEQRES 10 C 251 VAL PRO GLY LYS LYS TYR SER GLU MET VAL VAL PRO ILE SEQRES 11 C 251 LEU SER PRO ASP PRO ALA LYS ASN LYS ASN VAL SER TYR SEQRES 12 C 251 LEU LYS TYR PRO ILE TYR PHE GLY GLY ASN ARG GLY ARG SEQRES 13 C 251 GLY GLN VAL TYR PRO ASP GLY LYS LYS SER ASN ASN THR SEQRES 14 C 251 ILE TYR ASN ALA SER ALA ALA GLY LYS ILE VAL ALA ILE SEQRES 15 C 251 THR ALA LEU SER GLU LYS LYS GLY GLY PHE GLU VAL SER SEQRES 16 C 251 ILE GLU LYS ALA ASN GLY GLU VAL VAL VAL ASP LYS ILE SEQRES 17 C 251 PRO ALA GLY PRO ASP LEU ILE VAL LYS GLU GLY GLN THR SEQRES 18 C 251 VAL GLN ALA ASP GLN PRO LEU THR ASN ASN PRO ASN VAL SEQRES 19 C 251 GLY GLY PHE GLY GLN ALA GLU THR GLU ILE VAL LEU GLN SEQRES 20 C 251 ASN PRO ALA ARG HET HEC A 253 43 HET HEC B 253 43 HET ACT C 801 4 HET HEC C 253 43 HETNAM HEC HEME C HETNAM ACT ACETATE ION FORMUL 4 HEC 3(C34 H34 FE N4 O4) FORMUL 6 ACT C2 H3 O2 1- FORMUL 8 HOH *721(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 HELIX 11 11 TYR C 1 TYR C 9 1 9 HELIX 12 12 VAL C 20 CYS C 24 5 5 HELIX 13 13 PRO C 85 VAL C 89 5 5 HELIX 14 14 PRO C 90 GLY C 98 1 9 HELIX 15 15 GLY C 120 SER C 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 N VAL A 48 O 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 N TYR A 146 O 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 N GLN A 103 O 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 THR A 183 -1 O LYS A 178 N GLU A 197 SHEET 4 D 4 THR A 221 VAL A 222 -1 N VAL A 222 O 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 N VAL B 48 O 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 N TYR B 146 O 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 N GLN B 103 O 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 GLY B 190 LYS B 198 -1 O PHE B 192 N ILE B 208 SHEET 3 H 4 GLY B 177 SER B 186 -1 O LYS B 178 N GLU B 197 SHEET 4 H 4 THR B 221 VAL B 222 -1 N VAL B 222 O GLY B 177 SHEET 1 I 4 GLU C 32 GLU C 34 0 SHEET 2 I 4 VAL C 44 GLU C 50 -1 N VAL C 48 O GLU C 34 SHEET 3 I 4 GLU C 125 LEU C 131 -1 O MET C 126 N ILE C 49 SHEET 4 I 4 GLU C 82 LEU C 83 -1 O GLU C 82 N LEU C 131 SHEET 1 J 6 ALA C 38 VAL C 39 0 SHEET 2 J 6 GLY C 236 LEU C 246 1 O VAL C 245 N VAL C 39 SHEET 3 J 6 LYS C 145 ARG C 154 -1 N TYR C 146 O ILE C 244 SHEET 4 J 6 ASN C 70 ILE C 76 -1 O GLY C 72 N ASN C 153 SHEET 5 J 6 ILE C 112 PRO C 119 -1 O LEU C 113 N LEU C 75 SHEET 6 J 6 GLN C 103 PRO C 104 -1 N GLN C 103 O VAL C 114 SHEET 1 K 2 GLN C 59 VAL C 60 0 SHEET 2 K 2 LYS C 66 GLY C 67 -1 O GLY C 67 N GLN C 59 SHEET 1 L 4 VAL C 203 ILE C 208 0 SHEET 2 L 4 GLY C 190 GLU C 197 -1 O PHE C 192 N ILE C 208 SHEET 3 L 4 GLY C 177 SER C 186 -1 O LYS C 178 N GLU C 197 SHEET 4 L 4 THR C 221 VAL C 222 -1 N VAL C 222 O GLY C 177 LINK SG CYS A 21 CAB HEC A 253 1555 1555 1.81 LINK SG CYS A 24 CAC HEC A 253 1555 1555 1.84 LINK SG CYS B 21 CAB HEC B 253 1555 1555 1.80 LINK SG CYS B 24 CAC HEC B 253 1555 1555 1.85 LINK SG CYS C 21 CAB HEC C 253 1555 1555 1.80 LINK SG CYS C 24 CAC HEC C 253 1555 1555 1.81 LINK N TYR A 1 FE HEC A 253 1555 1555 1.99 LINK NE2 HIS A 25 FE HEC A 253 1555 1555 1.99 LINK N TYR B 1 FE HEC B 253 1555 1555 2.01 LINK NE2 HIS B 25 FE HEC B 253 1555 1555 2.04 LINK N TYR C 1 FE HEC C 253 1555 1555 2.01 LINK NE2 HIS C 25 FE HEC C 253 1555 1555 2.04 CISPEP 1 GLY A 116 PRO A 117 0 0.42 CISPEP 2 GLY B 116 PRO B 117 0 -0.34 CISPEP 3 GLY C 116 PRO C 117 0 0.07 SITE 1 AC1 5 VAL A 180 VAL C 44 ARG C 88 HOH C 802 SITE 2 AC1 5 HOH C 812 SITE 1 AC2 23 TYR A 1 PHE A 4 ALA A 5 VAL A 20 SITE 2 AC2 23 CYS A 21 CYS A 24 HIS A 25 GLN A 59 SITE 3 AC2 23 LEU A 69 ASN A 70 VAL A 71 GLY A 72 SITE 4 AC2 23 MET A 73 ASN A 153 GLY A 155 ARG A 156 SITE 5 AC2 23 GLY A 157 VAL A 159 PRO A 161 HOH A 298 SITE 6 AC2 23 HOH A 463 ASN C 16 HOH C 860 SITE 1 AC3 23 VAL A 245 TYR B 1 PRO B 2 PHE B 4 SITE 2 AC3 23 CYS B 21 CYS B 24 HIS B 25 GLN B 59 SITE 3 AC3 23 LEU B 69 ASN B 70 VAL B 71 GLY B 72 SITE 4 AC3 23 MET B 73 VAL B 74 ASN B 153 GLY B 155 SITE 5 AC3 23 ARG B 156 GLY B 157 VAL B 159 TYR B 160 SITE 6 AC3 23 HOH B 271 HOH B 275 HOH B 391 SITE 1 AC4 21 TYR C 1 PHE C 4 ALA C 5 CYS C 21 SITE 2 AC4 21 CYS C 24 HIS C 25 GLN C 59 LEU C 69 SITE 3 AC4 21 ASN C 70 VAL C 71 GLY C 72 MET C 73 SITE 4 AC4 21 ASN C 153 GLY C 155 ARG C 156 GLY C 157 SITE 5 AC4 21 VAL C 159 TYR C 160 HOH C 811 HOH C 863 SITE 6 AC4 21 HOH C 904 CRYST1 76.450 94.300 119.900 90.00 90.00 90.00 P 21 21 21 12 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 0.013080 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010604 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008340 0.00000