HEADER OXIDOREDUCTASE 19-MAY-04 1VZH TITLE STRUCTURE OF SUPEROXIDE REDUCTASE BOUND TO FERROCYANIDE AND ACTIVE TITLE 2 SITE EXPANSION UPON X-RAY INDUCED PHOTOREDUCTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: DESULFOFERRODOXIN; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: SUPEROXIDE REDUCTASE, DFX, SOR; COMPND 5 EC: 1.15.1.2; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DESULFOVIBRIO BAARSII; SOURCE 3 ORGANISM_TAXID: 453230; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI DH5[ALPHA]; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 668369; SOURCE 6 EXPRESSION_SYSTEM_VECTOR: PMLE47A KEYWDS FERROCYANIDE, MICROSPECTROPHOTOMETRY, REDOX STATES, PHOTOREDUCTION, KEYWDS 2 DINUCLEAR IRON CLUSTER, OXIDOREDUCTASE, ELECTRON TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR V.ADAM,A.ROYANT,V.NIVIERE,F.P.MOLINA-HEREDIA,D.BOURGEOIS REVDAT 4 13-DEC-23 1VZH 1 LINK REVDAT 3 28-FEB-18 1VZH 1 SOURCE JRNL REVDAT 2 24-FEB-09 1VZH 1 VERSN REVDAT 1 27-AUG-04 1VZH 0 JRNL AUTH V.ADAM,A.ROYANT,V.NIVIERE,F.P.MOLINA-HEREDIA,D.BOURGEOIS JRNL TITL STRUCTURE OF SUPEROXIDE REDUCTASE BOUND TO FERROCYANIDE AND JRNL TITL 2 ACTIVE SITE EXPANSION UPON X-RAY-INDUCED PHOTO-REDUCTION. JRNL REF STRUCTURE V. 12 1729 2004 JRNL REFN ISSN 0969-2126 JRNL PMID 15341736 JRNL DOI 10.1016/J.STR.2004.07.013 REMARK 2 REMARK 2 RESOLUTION. 1.69 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) : 1.69 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.49 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1924060.310 REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.4 REMARK 3 NUMBER OF REFLECTIONS : 25836 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) : 0.207 REMARK 3 FREE R VALUE : 0.250 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1285 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 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) : 1.69 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.80 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 91.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3808 REMARK 3 BIN R VALUE (WORKING SET) : 0.2770 REMARK 3 BIN FREE R VALUE : 0.3080 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 209 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.021 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1956 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 31 REMARK 3 SOLVENT ATOMS : 161 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.56000 REMARK 3 B22 (A**2) : -0.34000 REMARK 3 B33 (A**2) : -0.21000 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) : 0.20 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) : 0.24 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) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 4.770 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) : 1.290 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.980 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.070 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.020 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.37 REMARK 3 BSOL : 38.75 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 : ION.PARAM REMARK 3 PARAMETER FILE 4 : FER.PARAM REMARK 3 PARAMETER FILE 5 : PROTEIN-CIS.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : FER.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: CYSTEINES FROM THE CENTER I WERE REMARK 3 MODELED IN ALTERNATE CONFORMATIONS, AS WELL AS CENTER I IRONS REMARK 3 AND RESIDUES 84 TO 86 REMARK 4 REMARK 4 1VZH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 19-MAY-04. REMARK 100 THE DEPOSITION ID IS D_1290020041. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-JUN-03 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 8.00 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-4 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.92 REMARK 200 MONOCHROMATOR : SI 111 REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26101 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.690 REMARK 200 RESOLUTION RANGE LOW (A) : 37.490 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 200 DATA REDUNDANCY : 2.900 REMARK 200 R MERGE (I) : 0.09000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.7000 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 (%) : 93.9 REMARK 200 DATA REDUNDANCY IN SHELL : 2.80 REMARK 200 R MERGE FOR SHELL (I) : 0.38000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1DFX REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.07 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 18% PEG 4000, 100 MM TRIS PH 8.0, 100 REMARK 280 MM CACL2, PH 8.00 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 21.06500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 41.09500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 33.82500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 41.09500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.06500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 33.82500 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 NON-HEME IRON PROTEIN. REMARK 400 CATALYSES SUPEROXIDE ANION + 2 H(+) = H(2)O(2). REMARK 400 COFACTOR: BINDS 1 DESULFOFERRODOXIN-LIKE FES(4) SITE AND 1 REMARK 400 REMARK 400 ENGINEERED MUTATION GLU 47 TO ALA, CHAINS A AND B 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 MET A 1 REMARK 465 MET B 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 LEU A 5 -10.76 84.74 REMARK 500 VAL A 12 -55.20 79.11 REMARK 500 VAL A 12 -63.36 79.26 REMARK 500 ALA A 84 122.27 -173.12 REMARK 500 ASP A 85 -100.54 7.41 REMARK 500 ASP A 85 91.13 34.17 REMARK 500 GLU A 106 79.52 -103.10 REMARK 500 GLU B 11 -5.57 -57.08 REMARK 500 VAL B 12 -61.78 -94.70 REMARK 500 ASN B 15 141.22 -27.46 REMARK 500 ALA B 84 -159.14 -124.18 REMARK 500 ASP B 86 14.11 -151.97 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 FE A1129 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 49 NE2 REMARK 620 2 HIS A 69 NE2 95.5 REMARK 620 3 HIS A 75 NE2 166.9 86.4 REMARK 620 4 CYS A 116 SG 106.6 85.8 86.4 REMARK 620 5 HIS A 119 ND1 83.5 178.4 94.3 95.6 REMARK 620 6 FC6 A1130 N24 81.3 84.1 86.0 167.7 94.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A1128 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 88 O REMARK 620 2 THR A 90 OG1 99.7 REMARK 620 3 HOH A2019 O 93.5 112.7 REMARK 620 4 CYS B 88 O 85.0 82.0 165.3 REMARK 620 5 THR B 90 OG1 81.0 177.8 65.2 100.1 REMARK 620 6 HOH B2013 O 165.1 66.0 88.5 96.7 113.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FE B1128 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 49 NE2 REMARK 620 2 HIS B 69 NE2 90.7 REMARK 620 3 HIS B 75 NE2 168.1 88.8 REMARK 620 4 CYS B 116 SG 105.0 87.5 86.8 REMARK 620 5 HIS B 119 ND1 90.9 178.2 90.0 91.1 REMARK 620 6 FC6 B1129 N24 81.1 86.6 87.0 171.6 94.6 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 FE A1127 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A1128 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE A1129 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE B1127 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE B1128 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FC6 A1130 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FC6 B1129 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1VZG RELATED DB: PDB REMARK 900 STRUCTURE OF SUPEROXIDE REDUCTASE BOUND TO FERROCYANIDE AND ACTIVE REMARK 900 SITE EXPANSION UPON X-RAY INDUCED PHOTOREDUCTION REMARK 900 RELATED ID: 1VZI RELATED DB: PDB REMARK 900 STRUCTURE OF SUPEROXIDE REDUCTASE BOUND TO FERROCYANIDE AND ACTIVE REMARK 900 SITE EXPANSION UPON X-RAY INDUCED PHOTOREDUCTION DBREF 1VZH A 1 126 UNP Q46495 DESR_DESBR 1 126 DBREF 1VZH B 1 126 UNP Q46495 DESR_DESBR 1 126 SEQADV 1VZH ALA A 47 UNP Q46495 GLU 47 ENGINEERED MUTATION SEQADV 1VZH ALA B 47 UNP Q46495 GLU 47 ENGINEERED MUTATION SEQRES 1 A 126 MET PRO GLU ARG LEU GLN VAL TYR LYS CYS GLU VAL CYS SEQRES 2 A 126 GLY ASN ILE VAL GLU VAL LEU ASN GLY GLY ILE GLY GLU SEQRES 3 A 126 LEU VAL CYS CYS ASN GLN ASP MET LYS LEU MET SER GLU SEQRES 4 A 126 ASN THR VAL ASP ALA ALA LYS ALA LYS HIS VAL PRO VAL SEQRES 5 A 126 ILE GLU LYS ILE ASP GLY GLY TYR LYS VAL LYS VAL GLY SEQRES 6 A 126 ALA VAL ALA HIS PRO MET GLU GLU LYS HIS TYR ILE GLN SEQRES 7 A 126 TRP ILE GLU LEU LEU ALA ASP ASP LYS CYS TYR THR GLN SEQRES 8 A 126 PHE LEU LYS PRO GLY GLN ALA PRO GLU ALA VAL PHE LEU SEQRES 9 A 126 ILE GLU ALA ALA LYS VAL VAL ALA ARG GLU TYR CYS ASN SEQRES 10 A 126 ILE HIS GLY HIS TRP LYS ALA GLU ASN SEQRES 1 B 126 MET PRO GLU ARG LEU GLN VAL TYR LYS CYS GLU VAL CYS SEQRES 2 B 126 GLY ASN ILE VAL GLU VAL LEU ASN GLY GLY ILE GLY GLU SEQRES 3 B 126 LEU VAL CYS CYS ASN GLN ASP MET LYS LEU MET SER GLU SEQRES 4 B 126 ASN THR VAL ASP ALA ALA LYS ALA LYS HIS VAL PRO VAL SEQRES 5 B 126 ILE GLU LYS ILE ASP GLY GLY TYR LYS VAL LYS VAL GLY SEQRES 6 B 126 ALA VAL ALA HIS PRO MET GLU GLU LYS HIS TYR ILE GLN SEQRES 7 B 126 TRP ILE GLU LEU LEU ALA ASP ASP LYS CYS TYR THR GLN SEQRES 8 B 126 PHE LEU LYS PRO GLY GLN ALA PRO GLU ALA VAL PHE LEU SEQRES 9 B 126 ILE GLU ALA ALA LYS VAL VAL ALA ARG GLU TYR CYS ASN SEQRES 10 B 126 ILE HIS GLY HIS TRP LYS ALA GLU ASN HET FE A1127 1 HET CA A1128 1 HET FE A1129 1 HET FC6 A1130 13 HET FE B1127 1 HET FE B1128 1 HET FC6 B1129 13 HETNAM FE FE (III) ION HETNAM CA CALCIUM ION HETNAM FC6 HEXACYANOFERRATE(3-) HETSYN FC6 FERRI(III)HEXACYANIDE FORMUL 3 FE 4(FE 3+) FORMUL 4 CA CA 2+ FORMUL 6 FC6 2(C6 FE N6) FORMUL 10 HOH *161(H2 O) HELIX 1 1 ALA A 45 VAL A 50 1 6 HELIX 2 2 ALA B 45 VAL B 50 1 6 SHEET 1 AA 6 LYS A 35 LEU A 36 0 SHEET 2 AA 6 VAL A 7 LYS A 9 -1 O LYS A 9 N LYS A 35 SHEET 3 AA 6 ILE A 16 ASN A 21 -1 O VAL A 17 N TYR A 8 SHEET 4 AA 6 ILE B 16 ASN B 21 -1 O ILE B 16 N LEU A 20 SHEET 5 AA 6 VAL B 7 LYS B 9 -1 O TYR B 8 N VAL B 17 SHEET 6 AA 6 LYS B 35 LEU B 36 -1 O LYS B 35 N LYS B 9 SHEET 1 AB 4 GLN A 32 ASP A 33 0 SHEET 2 AB 4 LEU A 27 CYS A 29 -1 O CYS A 29 N GLN A 32 SHEET 3 AB 4 VAL B 28 CYS B 29 -1 O VAL B 28 N VAL A 28 SHEET 4 AB 4 GLN B 32 ASP B 33 -1 O GLN B 32 N CYS B 29 SHEET 1 AC 3 PRO A 51 ILE A 56 0 SHEET 2 AC 3 GLY A 59 VAL A 64 -1 O GLY A 59 N ILE A 56 SHEET 3 AC 3 GLU A 100 LEU A 104 -1 O ALA A 101 N VAL A 62 SHEET 1 AD 8 GLY A 120 GLU A 125 0 SHEET 2 AD 8 VAL A 111 CYS A 116 -1 O ALA A 112 N ALA A 124 SHEET 3 AD 8 ILE A 77 ALA A 84 -1 N GLN A 78 O TYR A 115 SHEET 4 AD 8 LYS A 87 PHE A 92 -1 O LYS A 87 N ALA A 84 SHEET 5 AD 8 LYS B 87 PHE B 92 -1 O CYS B 88 N THR A 90 SHEET 6 AD 8 ILE B 77 LEU B 83 -1 O ILE B 80 N GLN B 91 SHEET 7 AD 8 VAL B 111 CYS B 116 -1 O VAL B 111 N LEU B 83 SHEET 8 AD 8 GLY B 120 GLU B 125 -1 O GLY B 120 N CYS B 116 SHEET 1 BA 3 PRO B 51 ILE B 56 0 SHEET 2 BA 3 GLY B 59 VAL B 64 -1 O GLY B 59 N ILE B 56 SHEET 3 BA 3 GLU B 100 LEU B 104 -1 O ALA B 101 N VAL B 62 SSBOND 1 CYS A 10 CYS A 29 1555 1555 2.03 SSBOND 2 CYS A 13 CYS A 30 1555 1555 2.03 SSBOND 3 CYS B 10 CYS B 29 1555 1555 2.03 SSBOND 4 CYS B 13 CYS B 30 1555 1555 2.03 LINK NE2 HIS A 49 FE FE A1129 1555 1555 2.25 LINK NE2 HIS A 69 FE FE A1129 1555 1555 2.25 LINK NE2 HIS A 75 FE FE A1129 1555 1555 2.24 LINK O CYS A 88 CA CA A1128 1555 1555 2.78 LINK OG1 THR A 90 CA CA A1128 1555 1555 2.86 LINK SG CYS A 116 FE FE A1129 1555 1555 2.70 LINK ND1 HIS A 119 FE FE A1129 1555 1555 2.18 LINK CA CA A1128 O HOH A2019 1555 1555 3.04 LINK CA CA A1128 O CYS B 88 1555 1555 2.77 LINK CA CA A1128 OG1 THR B 90 1555 1555 2.84 LINK CA CA A1128 O HOH B2013 1555 1555 2.97 LINK FE FE A1129 N24 FC6 A1130 1555 1555 2.43 LINK NE2 HIS B 49 FE FE B1128 1555 1555 2.24 LINK NE2 HIS B 69 FE FE B1128 1555 1555 2.18 LINK NE2 HIS B 75 FE FE B1128 1555 1555 2.28 LINK SG CYS B 116 FE FE B1128 1555 1555 2.63 LINK ND1 HIS B 119 FE FE B1128 1555 1555 2.17 LINK FE FE B1128 N24 FC6 B1129 1555 1555 2.23 CISPEP 1 VAL A 64 GLY A 65 0 -1.21 CISPEP 2 VAL B 64 GLY B 65 0 -1.49 SITE 1 AC1 6 CYS A 10 CYS A 13 ASN A 15 CYS A 29 SITE 2 AC1 6 CYS A 30 GLY B 25 SITE 1 AC2 6 CYS A 88 THR A 90 HOH A2019 CYS B 88 SITE 2 AC2 6 THR B 90 HOH B2013 SITE 1 AC3 6 HIS A 49 HIS A 69 HIS A 75 CYS A 116 SITE 2 AC3 6 HIS A 119 FC6 A1130 SITE 1 AC4 5 GLY A 25 CYS B 10 CYS B 13 CYS B 29 SITE 2 AC4 5 CYS B 30 SITE 1 AC5 6 HIS B 49 HIS B 69 HIS B 75 CYS B 116 SITE 2 AC5 6 HIS B 119 FC6 B1129 SITE 1 AC6 8 ALA A 45 LYS A 48 HIS A 49 HIS A 69 SITE 2 AC6 8 HIS A 75 HIS A 119 FE A1129 HOH A2083 SITE 1 AC7 8 ALA B 45 LYS B 48 HIS B 49 HIS B 69 SITE 2 AC7 8 HIS B 75 HIS B 119 FE B1128 HOH B2078 CRYST1 42.130 67.650 82.190 90.00 90.00 90.00 P 21 21 21 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 0.023736 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014782 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012167 0.00000