1I54 - Header Asymmetric Unit

HEADER ELECTRON TRANSPORT 24-FEB-01 1I54

TITLE CYTOCHROME C (TUNA) 2FE:1ZN MIXED-METAL PORPHYRINS

COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME C; COMPND 3 CHAIN: A, B

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THUNNUS THYNNUS; SOURCE 3 ORGANISM_COMMON: BLUEFIN TUNA; SOURCE 4 ORGANISM_TAXID: 8237

KEYWDS CYTOCHROME C, ZINC-PORPHYRIN, MIXED-METAL, ELECTRON KEYWDS 2 TRANSPORT

EXPDTA X-RAY DIFFRACTION

AUTHOR B.R.CRANE,F.A.TEZCAN,J.R.WINKLER,H.B.GRAY

REVDAT 2 24-FEB-09 1I54 1 VERSN REVDAT 1 09-MAY-01 1I54 0

JRNL AUTH F.A.TEZCAN,B.R.CRANE,J.R.WINKLER,H.B.GRAY JRNL TITL ELECTRON TUNNELING IN PROTEIN CRYSTALS. JRNL REF PROC.NATL.ACAD.SCI.USA V. 98 5002 2001 JRNL REFN ISSN 0027-8424 JRNL PMID 11296248 JRNL DOI 10.1073/PNAS.081072898

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 1.50 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 21.10 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 529342.820 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 86.9 REMARK 3 NUMBER OF REFLECTIONS : 27235 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) : 0.226 REMARK 3 FREE R VALUE : 0.247 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2172 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.55 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 63.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1833 REMARK 3 BIN R VALUE (WORKING SET) : 0.3850 REMARK 3 BIN FREE R VALUE : 0.3960 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 7.60 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 150 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.032 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1600 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 172 REMARK 3 SOLVENT ATOMS : 370 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 16.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.23000 REMARK 3 B22 (A**2) : -0.23000 REMARK 3 B33 (A**2) : 0.46000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.15 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.23 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.14 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.40 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.36 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) : 0.130 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 0.240 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 0.160 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 0.260 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.38 REMARK 3 BSOL : 23.62 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.PARAM REMARK 3 PARAMETER FILE 2 : PARAM19X.HEME REMARK 3 PARAMETER FILE 4 : WATER.PARAM REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : TOPH19X.HEME REMARK 3 TOPOLOGY FILE 3 : TOPHZN.HEME REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: CRYSTALS CONTAIN A 2:1 MIXTURE OF REMARK 3 FE- AND ZN-PORPHYRIN. RESIDUES 1104 AND 1105 AND RESIDUES 1106 REMARK 3 AND 1107 WERE REFINED AS NON-INTERACTING METALLOPORPHYRINS OF REMARK 3 OCCUPANCIES DETERMINED FROM ANOMALOUS SCATTERING EXPERIMENTS. REMARK 3 NO STEREOCHEMICAL RESTRAINTS ON FE AND ZN INTERACTIONS

REMARK 4 REMARK 4 1I54 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-MAR-01. REMARK 100 THE RCSB ID CODE IS RCSB012915.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 28-FEB-00 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS 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 : 27877 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 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 (%) : 97.8 REMARK 200 DATA REDUNDANCY : 2.200 REMARK 200 R MERGE (I) : 0.06600 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 19.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.55 REMARK 200 COMPLETENESS FOR SHELL (%) : 68.4 REMARK 200 DATA REDUNDANCY IN SHELL : 2.10 REMARK 200 R MERGE FOR SHELL (I) : 0.23200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: PDB ENTRY 3CYT REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.67 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.15 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: (NH4)2SO4 NACL NAPI, PH 6.0, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 298K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y,X,Z+3/4 REMARK 290 4555 Y,-X,Z+1/4 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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 17.76900 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 26.65350 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 8.88450 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 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 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 27 -127.38 -107.77 REMARK 500 ASN A 70 87.02 -162.58 REMARK 500 LYS B 27 -135.90 -125.54 REMARK 500 ASN B 70 87.92 -162.11 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 A1261 DISTANCE = 5.70 ANGSTROMS

REMARK 600 REMARK 600 HETEROGEN REMARK 600 THE RESIDUE 1104 OF HEM AND RESIDUE 1105 OF ZNH REMARK 600 ARE ALTERNATE CONFORMERS WITH OCCUPANCY OF 0.68 REMARK 600 AND 0.32, RESPECTIVELY. IN SIMILAR RESIDUE 1106 REMARK 600 OF HEM AND RESIDUE 1107 OF ZNH ARE ALTERNATE REMARK 600 CONFORMERS WITH OCCUPANCY 0.68 AND 0.32, REMARK 600 RESPECTIVELY.

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 A1104 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 18 NE2 REMARK 620 2 MET A 80 SD 171.7 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZNH A1105 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 18 NE2 REMARK 620 2 MET A 80 SD 171.4 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B1106 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 18 NE2 REMARK 620 2 MET B 80 SD 173.9 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZNH B1107 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 18 NE2 REMARK 620 2 MET B 80 SD 173.2 REMARK 620 N 1

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 1104 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 1106 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZNH A 1105 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZNH B 1107

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3CYT RELATED DB: PDB REMARK 900 CYTOCHROME C (OXIDIZED)

DBREF 1I54 A 1 103 UNP P81459 CYC_THUAA 1 103 DBREF 1I54 B 1 103 UNP P81459 CYC_THUAA 1 103

SEQRES 1 A 103 GLY ASP VAL ALA LYS GLY LYS LYS THR PHE VAL GLN LYS SEQRES 2 A 103 CYS ALA GLN CYS HIS THR VAL GLU ASN GLY GLY LYS HIS SEQRES 3 A 103 LYS VAL GLY PRO ASN LEU TRP GLY LEU PHE GLY ARG LYS SEQRES 4 A 103 THR GLY GLN ALA GLU GLY TYR SER TYR THR ASP ALA ASN SEQRES 5 A 103 LYS SER LYS GLY ILE VAL TRP ASN ASN ASP THR LEU MET SEQRES 6 A 103 GLU TYR LEU GLU ASN PRO LYS LYS TYR ILE PRO GLY THR SEQRES 7 A 103 LYS MET ILE PHE ALA GLY ILE LYS LYS LYS GLY GLU ARG SEQRES 8 A 103 GLN ASP LEU VAL ALA TYR LEU LYS SER ALA THR SER SEQRES 1 B 103 GLY ASP VAL ALA LYS GLY LYS LYS THR PHE VAL GLN LYS SEQRES 2 B 103 CYS ALA GLN CYS HIS THR VAL GLU ASN GLY GLY LYS HIS SEQRES 3 B 103 LYS VAL GLY PRO ASN LEU TRP GLY LEU PHE GLY ARG LYS SEQRES 4 B 103 THR GLY GLN ALA GLU GLY TYR SER TYR THR ASP ALA ASN SEQRES 5 B 103 LYS SER LYS GLY ILE VAL TRP ASN ASN ASP THR LEU MET SEQRES 6 B 103 GLU TYR LEU GLU ASN PRO LYS LYS TYR ILE PRO GLY THR SEQRES 7 B 103 LYS MET ILE PHE ALA GLY ILE LYS LYS LYS GLY GLU ARG SEQRES 8 B 103 GLN ASP LEU VAL ALA TYR LEU LYS SER ALA THR SER

HET HEM A1104 43 HET HEM B1106 43 HET ZNH A1105 43 HET ZNH B1107 43

HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM ZNH PROTOPORPHYRIN IX CONTAINING ZN

HETSYN HEM HEME

FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 5 ZNH 2(C34 H32 N4 O4 ZN) FORMUL 7 HOH *370(H2 O)

HELIX 1 1 ASP A 2 CYS A 14 1 13 HELIX 2 2 THR A 49 LYS A 55 1 7 HELIX 3 3 ASN A 60 ASN A 70 1 11 HELIX 4 4 ASN A 70 ILE A 75 1 6 HELIX 5 5 LYS A 87 THR A 102 1 16 HELIX 6 6 ASP B 2 CYS B 14 1 13 HELIX 7 7 THR B 49 LYS B 55 1 7 HELIX 8 8 ASN B 60 ASN B 70 1 11 HELIX 9 9 ASN B 70 ILE B 75 1 6 HELIX 10 10 LYS B 87 THR B 102 1 16

LINK NE2 HIS A 18 FE AHEM A1104 1555 1555 1.99 LINK NE2 HIS A 18 ZN BZNH A1105 1555 1555 1.99 LINK NE2 HIS B 18 FE AHEM B1106 1555 1555 2.00 LINK NE2 HIS B 18 ZN BZNH B1107 1555 1555 2.00 LINK SG CYS A 14 CABAHEM A1104 1555 1555 1.89 LINK SG CYS A 14 CABBZNH A1105 1555 1555 1.90 LINK SG CYS A 17 CACAHEM A1104 1555 1555 2.00 LINK SG CYS A 17 CACBZNH A1105 1555 1555 2.00 LINK FE AHEM A1104 SD MET A 80 1555 1555 2.50 LINK ZN BZNH A1105 SD MET A 80 1555 1555 2.50 LINK SG CYS B 14 CABAHEM B1106 1555 1555 1.83 LINK SG CYS B 14 CABBZNH B1107 1555 1555 1.83 LINK SG CYS B 17 CACBZNH B1107 1555 1555 2.03 LINK SG CYS B 17 CACAHEM B1106 1555 1555 2.02 LINK FE AHEM B1106 SD MET B 80 1555 1555 2.39 LINK ZN BZNH B1107 SD MET B 80 1555 1555 2.39

SITE 1 AC1 22 LYS A 13 CYS A 14 CYS A 17 HIS A 18 SITE 2 AC1 22 VAL A 28 GLY A 29 PRO A 30 THR A 40 SITE 3 AC1 22 GLY A 41 TYR A 46 TYR A 48 THR A 49 SITE 4 AC1 22 ASN A 52 LYS A 55 TRP A 59 TYR A 67 SITE 5 AC1 22 THR A 78 LYS A 79 MET A 80 PHE A 82 SITE 6 AC1 22 LEU A 94 HOH A1127 SITE 1 AC2 21 LYS B 13 CYS B 14 CYS B 17 HIS B 18 SITE 2 AC2 21 VAL B 28 GLY B 29 PRO B 30 THR B 40 SITE 3 AC2 21 GLY B 41 TYR B 46 TYR B 48 THR B 49 SITE 4 AC2 21 ASN B 52 LYS B 55 TRP B 59 TYR B 67 SITE 5 AC2 21 THR B 78 LYS B 79 MET B 80 PHE B 82 SITE 6 AC2 21 HOH B1144 SITE 1 AC3 21 LYS A 13 CYS A 14 CYS A 17 HIS A 18 SITE 2 AC3 21 VAL A 28 GLY A 29 PRO A 30 THR A 40 SITE 3 AC3 21 GLY A 41 TYR A 46 TYR A 48 THR A 49 SITE 4 AC3 21 ASN A 52 LYS A 55 TRP A 59 TYR A 67 SITE 5 AC3 21 THR A 78 LYS A 79 MET A 80 PHE A 82 SITE 6 AC3 21 HOH A1127 SITE 1 AC4 21 LYS B 13 CYS B 14 CYS B 17 HIS B 18 SITE 2 AC4 21 VAL B 28 GLY B 29 PRO B 30 THR B 40 SITE 3 AC4 21 GLY B 41 TYR B 46 TYR B 48 THR B 49 SITE 4 AC4 21 ASN B 52 LYS B 55 TRP B 59 TYR B 67 SITE 5 AC4 21 THR B 78 LYS B 79 MET B 80 PHE B 82 SITE 6 AC4 21 HOH B1144

CRYST1 74.180 74.180 35.538 90.00 90.00 90.00 P 43 8

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 0.013481 0.000000 0.000000 0.00000

SCALE2 0.000000 0.013481 0.000000 0.00000

SCALE3 0.000000 0.000000 0.028139 0.00000