HEADER ELECTRON TRANSPORT 12-JAN-96 1CZJ TITLE CYTOCHROME C OF CLASS III (AMBLER) 26 KD COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME C3; COMPND 3 CHAIN: A SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DESULFOMICROBIUM NORVEGICUM; SOURCE 3 ORGANISM_TAXID: 52561; SOURCE 4 STRAIN: NORWAY 4; SOURCE 5 OTHER_DETAILS: SULFATE REDUCING BACTERIA KEYWDS OCTAHEME CYTOCHROME, ELECTRON TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR M.CZJZEK,R.HASER REVDAT 5 06-NOV-24 1CZJ 1 REMARK REVDAT 4 05-JUN-24 1CZJ 1 REMARK LINK REVDAT 3 13-JUL-11 1CZJ 1 VERSN REVDAT 2 24-FEB-09 1CZJ 1 VERSN REVDAT 1 11-JUL-96 1CZJ 0 JRNL AUTH M.CZJZEK,F.GUERLESQUIN,M.BRUSCHI,R.HASER JRNL TITL CRYSTAL STRUCTURE OF A DIMERIC OCTAHEME CYTOCHROME C3 (M(R) JRNL TITL 2 26,000) FROM DESULFOVIBRIO DESULFURICANS NORWAY. JRNL REF STRUCTURE V. 4 395 1996 JRNL REFN ISSN 0969-2126 JRNL PMID 8740362 JRNL DOI 10.1016/S0969-2126(96)00045-7 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.CZJZEK,F.PAYAN,R.HASER REMARK 1 TITL MOLECULAR AND STRUCTURAL BASIS OF ELECTRON TRANSFER IN REMARK 1 TITL 2 TETRA-AND OCTA-HEME CYTOCHROMES REMARK 1 REF BIOCHIMIE V. 76 546 1994 REMARK 1 REFN ISSN 0300-9084 REMARK 2 REMARK 2 RESOLUTION. 2.16 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.16 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 12.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 93.0 REMARK 3 NUMBER OF REFLECTIONS : 8455 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.204 REMARK 3 FREE R VALUE : 0.263 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 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 : 862 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 177 REMARK 3 SOLVENT ATOMS : 66 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.10 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) : 0.20 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) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.746 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.04 REMARK 3 IMPROPER ANGLES (DEGREES) : 2.200 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 1CZJ 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_1000172613. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-FEB-95 REMARK 200 TEMPERATURE (KELVIN) : 277 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL 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 : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9198 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.160 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.4 REMARK 200 DATA REDUNDANCY : 3.070 REMARK 200 R MERGE (I) : 0.08900 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.58 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: THE CRYSTALS WERE GROWN AT 20 DEGREES REMARK 280 C. DATA WAS COLLECTED AT AT 4 DEGREES C., PH 8.0 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 19.08333 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 38.16667 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 38.16667 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 19.08333 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 11280 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11970 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -217.0 KCAL/MOL 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 BIOMT1 2 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 GLU A 1 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 MET A 55 33.24 -91.85 REMARK 500 CYS A 59 -118.33 -105.01 REMARK 500 HIS A 60 64.28 -100.98 REMARK 500 VAL A 110 -74.63 -122.33 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 119 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 30 NE2 REMARK 620 2 HEM A 119 NA 91.8 REMARK 620 3 HEM A 119 NB 90.1 91.6 REMARK 620 4 HEM A 119 NC 89.8 178.4 88.6 REMARK 620 5 HEM A 119 ND 92.8 87.8 177.1 91.9 REMARK 620 6 HIS A 42 NE2 175.7 90.8 93.2 87.6 83.9 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 121 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 33 NE2 REMARK 620 2 HEM A 121 NA 88.9 REMARK 620 3 HEM A 121 NB 91.0 89.0 REMARK 620 4 HEM A 121 NC 90.2 178.0 89.2 REMARK 620 5 HEM A 121 ND 84.2 89.7 175.0 91.9 REMARK 620 6 HIS A 90 NE2 171.7 86.9 96.2 94.2 88.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 120 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 43 NE2 REMARK 620 2 HEM A 120 NA 94.4 REMARK 620 3 HEM A 120 NB 96.4 87.9 REMARK 620 4 HEM A 120 NC 88.7 177.0 91.7 REMARK 620 5 HEM A 120 ND 88.2 90.8 175.2 89.3 REMARK 620 6 HIS A 60 NE2 174.8 88.0 88.3 89.0 87.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 122 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 77 NE2 REMARK 620 2 HEM A 122 NA 88.3 REMARK 620 3 HEM A 122 NB 97.5 91.3 REMARK 620 4 HEM A 122 NC 91.1 178.9 89.7 REMARK 620 5 HEM A 122 ND 85.9 88.1 176.5 90.9 REMARK 620 6 HIS A 109 NE2 176.7 90.3 85.5 90.2 91.1 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 SO4 A 200 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 119 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 120 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 121 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 122 DBREF 1CZJ A 1 111 UNP P38554 CYC32_DESDN 1 111 SEQRES 1 A 111 GLU THR PHE GLU ILE PRO GLU SER VAL THR MET SER PRO SEQRES 2 A 111 LYS GLN PHE GLU GLY TYR THR PRO LYS LYS GLY ASP VAL SEQRES 3 A 111 THR PHE ASN HIS ALA SER HIS MET ASP ILE ALA CYS GLN SEQRES 4 A 111 GLN CYS HIS HIS THR VAL PRO ASP THR TYR THR ILE GLU SEQRES 5 A 111 SER CYS MET THR GLU GLY CYS HIS ASP ASN ILE LYS GLU SEQRES 6 A 111 ARG THR GLU ILE SER SER VAL TYR ARG THR PHE HIS THR SEQRES 7 A 111 THR LYS ASP SER GLU LYS SER CYS VAL GLY CYS HIS ARG SEQRES 8 A 111 GLU LEU LYS ARG GLN GLY PRO SER ASP ALA PRO LEU ALA SEQRES 9 A 111 CYS ASN SER CYS HIS VAL GLN HET SO4 A 200 5 HET HEM A 119 43 HET HEM A 120 43 HET HEM A 121 43 HET HEM A 122 43 HETNAM SO4 SULFATE ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 2 SO4 O4 S 2- FORMUL 3 HEM 4(C34 H32 FE N4 O4) FORMUL 7 HOH *66(H2 O) HELIX 1 1 ALA A 31 HIS A 33 5 3 HELIX 2 2 CYS A 38 CYS A 41 1 4 HELIX 3 3 VAL A 45 THR A 48 1 4 HELIX 4 4 VAL A 72 HIS A 77 1 6 HELIX 5 5 CYS A 86 GLN A 96 1 11 HELIX 6 6 CYS A 105 CYS A 108 1 4 SHEET 1 A 2 SER A 8 MET A 11 0 SHEET 2 A 2 VAL A 26 ASN A 29 -1 N PHE A 28 O VAL A 9 LINK SG CYS A 38 CAB HEM A 119 1555 1555 1.82 LINK SG CYS A 41 CAC HEM A 119 1555 1555 1.83 LINK SG CYS A 54 CAB HEM A 120 1555 1555 1.82 LINK SG CYS A 59 CAC HEM A 120 1555 1555 1.82 LINK SG CYS A 86 CAB HEM A 121 1555 1555 1.83 LINK SG CYS A 89 CAC HEM A 121 1555 1555 1.83 LINK SG CYS A 105 CAB HEM A 122 1555 1555 1.82 LINK SG CYS A 108 CAC HEM A 122 1555 1555 1.84 LINK NE2 HIS A 30 FE HEM A 119 1555 1555 1.95 LINK NE2 HIS A 33 FE HEM A 121 1555 1555 2.03 LINK NE2 HIS A 42 FE HEM A 119 1555 1555 2.01 LINK NE2 HIS A 43 FE HEM A 120 1555 1555 2.01 LINK NE2 HIS A 60 FE HEM A 120 1555 1555 2.00 LINK NE2 HIS A 77 FE HEM A 122 1555 1555 1.97 LINK NE2 HIS A 90 FE HEM A 121 1555 1555 2.01 LINK NE2 HIS A 109 FE HEM A 122 1555 1555 1.97 SITE 1 AC1 5 PRO A 6 GLU A 7 SER A 8 ARG A 91 SITE 2 AC1 5 ARG A 95 SITE 1 AC2 14 THR A 2 PHE A 3 VAL A 9 PHE A 28 SITE 2 AC2 14 HIS A 30 HIS A 33 ILE A 36 CYS A 38 SITE 3 AC2 14 CYS A 41 HIS A 42 ILE A 51 SER A 53 SITE 4 AC2 14 CYS A 54 HEM A 121 SITE 1 AC3 12 CYS A 41 HIS A 43 THR A 44 GLU A 52 SITE 2 AC3 12 SER A 53 CYS A 54 CYS A 59 HIS A 60 SITE 3 AC3 12 ARG A 74 THR A 75 PHE A 76 LYS A 84 SITE 1 AC4 19 VAL A 26 PHE A 28 ASN A 29 SER A 32 SITE 2 AC4 19 HIS A 33 GLN A 40 GLU A 83 SER A 85 SITE 3 AC4 19 CYS A 86 CYS A 89 HIS A 90 LEU A 93 SITE 4 AC4 19 ASP A 100 PRO A 102 CYS A 105 ASN A 106 SITE 5 AC4 19 HEM A 119 HOH A 201 HOH A 227 SITE 1 AC5 18 MET A 11 PRO A 13 TYR A 19 PRO A 21 SITE 2 AC5 18 LYS A 22 LYS A 23 VAL A 26 ASN A 29 SITE 3 AC5 18 PHE A 76 HIS A 77 CYS A 86 HIS A 90 SITE 4 AC5 18 LEU A 103 ALA A 104 CYS A 105 CYS A 108 SITE 5 AC5 18 HIS A 109 HOH A 216 CRYST1 73.710 73.710 57.250 90.00 90.00 120.00 P 31 2 1 6 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 0.013567 0.007833 0.000000 0.00000 SCALE2 0.000000 0.015665 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017467 0.00000