PDB Short entry for 1MMM HEADER OXIDOREDUCTASE 26-AUG-98 1MMM TITLE DISTINCT METAL ENVIRONMENT IN IRON-SUBSTITUTED MANGANESE SUPEROXIDE TITLE 2 DISMUTASE PROVIDES A STRUCTURAL BASIS OF METAL SPECIFICITY COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (IRON-SUBSTITUTED MANGANESE SUPEROXIDE DISMUTASE); COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: FE-MNSOD, FE-MNSD; COMPND 5 EC: 1.15.1.1 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 STRAIN: AB2463/PDT1-5 KEYWDS IRON-SUBSTITUTED MANGANESE SUPEROXIDE DISMUTASE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR R.A.EDWARDS,M.M.WHITTAKER,J.W.WHITTAKER,G.B.JAMESON,E.N.BAKER REVDAT 4 14-FEB-24 1MMM 1 REMARK LINK REVDAT 3 24-FEB-09 1MMM 1 VERSN REVDAT 2 29-DEC-99 1MMM 4 HEADER COMPND REMARK JRNL REVDAT 2 2 4 ATOM SOURCE SEQRES REVDAT 1 02-SEP-98 1MMM 0 JRNL AUTH R.A.EDWARDS,M.M.WHITTAKER,J.W.WHITTAKER,G.B.JAMESON, JRNL AUTH 2 E.N.BAKER JRNL TITL DISTINCT METAL ENVIRONMENT IN FE-SUBSTITUTED MANGANESE JRNL TITL 2 SUPEROXIDE DISMUTASE PROVIDES A STRUCTURAL BASIS OF METAL JRNL TITL 3 SPECIFICITY JRNL REF J.AM.CHEM.SOC. V. 120 9684 1998 JRNL REFN ISSN 0002-7863 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.3C 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 100.00 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) (%) : 93.2 REMARK 3 NUMBER OF REFLECTIONS : 20683 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) : 0.192 REMARK 3 FREE R VALUE : 0.231 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1563 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 : 3256 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 284 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.26300 REMARK 3 B22 (A**2) : 0.62900 REMARK 3 B33 (A**2) : 1.63400 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) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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 : RESTRAINTS 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 PARAMETER FILE 2 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1MMM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB. REMARK 100 THE DEPOSITION ID IS D_1000008360. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JAN-98 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : 8.75 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 : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20726 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.2 REMARK 200 DATA REDUNDANCY : 4.200 REMARK 200 R MERGE (I) : 0.09000 REMARK 200 R SYM (I) : 0.09000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 14.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.30 REMARK 200 COMPLETENESS FOR SHELL (%) : 82.6 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.26600 REMARK 200 R SYM FOR SHELL (I) : 0.26600 REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 1VEW REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.73 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.31 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 8.75 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 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 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 103.33550 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 103.33550 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 23.09500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 44.52000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 23.09500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 44.52000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 103.33550 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 23.09500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 44.52000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 103.33550 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 23.09500 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 44.52000 REMARK 290 SMTRY3 8 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 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 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 GLN B 21 CG CD OE1 NE2 REMARK 480 GLU B 47 CG CD OE1 OE2 REMARK 480 ASN B 50 CG OD1 ND2 REMARK 480 LYS B 137 CG CD CE NZ REMARK 480 LYS B 205 CB CG CD CE NZ 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 PRO A 16 30.05 -93.96 REMARK 500 LYS A 29 -64.54 -107.96 REMARK 500 LYS A 89 142.09 -178.42 REMARK 500 ASN A 145 -116.82 47.43 REMARK 500 GLN A 178 -133.25 50.50 REMARK 500 PRO B 16 31.48 -82.07 REMARK 500 HIS B 17 -61.53 -99.71 REMARK 500 LYS B 89 143.12 -178.58 REMARK 500 ASN B 145 -121.78 45.81 REMARK 500 TYR B 173 -1.84 -142.48 REMARK 500 GLN B 178 -130.14 51.94 REMARK 500 LYS B 204 3.32 59.00 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 A 206 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 26 NE2 REMARK 620 2 HIS A 81 NE2 88.5 REMARK 620 3 ASP A 167 OD2 85.3 106.7 REMARK 620 4 HIS A 171 NE2 90.0 146.7 106.3 REMARK 620 5 OH A 207 O 171.8 98.2 88.3 87.0 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FE B 206 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 26 NE2 REMARK 620 2 HIS B 81 NE2 92.8 REMARK 620 3 ASP B 167 OD2 89.4 113.5 REMARK 620 4 HIS B 171 NE2 90.0 146.5 99.8 REMARK 620 5 OH B 207 O 178.2 86.5 92.3 89.7 REMARK 620 6 OH B 208 O 89.4 68.5 177.7 78.2 88.8 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: FE1 REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: IRON-SUBSTITUTED ACTIVE SITE CHAIN A. CONTAINS REMARK 800 ONE EXOGENOUS LIGAND MODELLED AS HYDROXIDE. REMARK 800 REMARK 800 SITE_IDENTIFIER: FE2 REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: IRON-SUBSTITUTED ACTIVE SITE CHAIN B. CONTAINS REMARK 800 TWO EXOGENOUS LIGANDS BOTH MODELLED AS HYDROXIDES. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OH A 207 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OH B 207 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OH B 208 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE A 206 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE B 206 DBREF 1MMM A 1 205 UNP P00448 SODM_ECOLI 1 205 DBREF 1MMM B 1 205 UNP P00448 SODM_ECOLI 1 205 SEQRES 1 A 205 SER TYR THR LEU PRO SER LEU PRO TYR ALA TYR ASP ALA SEQRES 2 A 205 LEU GLU PRO HIS PHE ASP LYS GLN THR MET GLU ILE HIS SEQRES 3 A 205 HIS THR LYS HIS HIS GLN THR TYR VAL ASN ASN ALA ASN SEQRES 4 A 205 ALA ALA LEU GLU SER LEU PRO GLU PHE ALA ASN LEU PRO SEQRES 5 A 205 VAL GLU GLU LEU ILE THR LYS LEU ASP GLN LEU PRO ALA SEQRES 6 A 205 ASP LYS LYS THR VAL LEU ARG ASN ASN ALA GLY GLY HIS SEQRES 7 A 205 ALA ASN HIS SER LEU PHE TRP LYS GLY LEU LYS LYS GLY SEQRES 8 A 205 THR THR LEU GLN GLY ASP LEU LYS ALA ALA ILE GLU ARG SEQRES 9 A 205 ASP PHE GLY SER VAL ASP ASN PHE LYS ALA GLU PHE GLU SEQRES 10 A 205 LYS ALA ALA ALA SER ARG PHE GLY SER GLY TRP ALA TRP SEQRES 11 A 205 LEU VAL LEU LYS GLY ASP LYS LEU ALA VAL VAL SER THR SEQRES 12 A 205 ALA ASN GLN ASP SER PRO LEU MET GLY GLU ALA ILE SER SEQRES 13 A 205 GLY ALA SER GLY PHE PRO ILE MET GLY LEU ASP VAL TRP SEQRES 14 A 205 GLU HIS ALA TYR TYR LEU LYS PHE GLN ASN ARG ARG PRO SEQRES 15 A 205 ASP TYR ILE LYS GLU PHE TRP ASN VAL VAL ASN TRP ASP SEQRES 16 A 205 GLU ALA ALA ALA ARG PHE ALA ALA LYS LYS SEQRES 1 B 205 SER TYR THR LEU PRO SER LEU PRO TYR ALA TYR ASP ALA SEQRES 2 B 205 LEU GLU PRO HIS PHE ASP LYS GLN THR MET GLU ILE HIS SEQRES 3 B 205 HIS THR LYS HIS HIS GLN THR TYR VAL ASN ASN ALA ASN SEQRES 4 B 205 ALA ALA LEU GLU SER LEU PRO GLU PHE ALA ASN LEU PRO SEQRES 5 B 205 VAL GLU GLU LEU ILE THR LYS LEU ASP GLN LEU PRO ALA SEQRES 6 B 205 ASP LYS LYS THR VAL LEU ARG ASN ASN ALA GLY GLY HIS SEQRES 7 B 205 ALA ASN HIS SER LEU PHE TRP LYS GLY LEU LYS LYS GLY SEQRES 8 B 205 THR THR LEU GLN GLY ASP LEU LYS ALA ALA ILE GLU ARG SEQRES 9 B 205 ASP PHE GLY SER VAL ASP ASN PHE LYS ALA GLU PHE GLU SEQRES 10 B 205 LYS ALA ALA ALA SER ARG PHE GLY SER GLY TRP ALA TRP SEQRES 11 B 205 LEU VAL LEU LYS GLY ASP LYS LEU ALA VAL VAL SER THR SEQRES 12 B 205 ALA ASN GLN ASP SER PRO LEU MET GLY GLU ALA ILE SER SEQRES 13 B 205 GLY ALA SER GLY PHE PRO ILE MET GLY LEU ASP VAL TRP SEQRES 14 B 205 GLU HIS ALA TYR TYR LEU LYS PHE GLN ASN ARG ARG PRO SEQRES 15 B 205 ASP TYR ILE LYS GLU PHE TRP ASN VAL VAL ASN TRP ASP SEQRES 16 B 205 GLU ALA ALA ALA ARG PHE ALA ALA LYS LYS HET OH A 207 1 HET FE A 206 1 HET OH B 207 1 HET OH B 208 1 HET FE B 206 1 HETNAM OH HYDROXIDE ION HETNAM FE FE (III) ION FORMUL 3 OH 3(H O 1-) FORMUL 4 FE 2(FE 3+) FORMUL 8 HOH *284(H2 O) HELIX 1 1 LYS A 20 THR A 28 1 9 HELIX 2 2 HIS A 30 LEU A 42 1 13 HELIX 3 3 PRO A 46 ASN A 50 1 5 HELIX 4 4 VAL A 53 THR A 58 1 6 HELIX 5 5 LEU A 60 GLN A 62 5 3 HELIX 6 6 ALA A 65 LYS A 86 1 22 HELIX 7 7 GLY A 96 PHE A 106 1 11 HELIX 8 8 VAL A 109 SER A 122 1 14 HELIX 9 9 PRO A 149 MET A 151 5 3 HELIX 10 10 GLU A 153 SER A 156 1 4 HELIX 11 11 GLU A 170 ALA A 172 5 3 HELIX 12 12 TYR A 174 PHE A 177 1 4 HELIX 13 13 ARG A 181 VAL A 191 1 11 HELIX 14 14 TRP A 194 ALA A 203 1 10 HELIX 15 15 LYS B 20 THR B 28 1 9 HELIX 16 16 HIS B 30 SER B 44 1 15 HELIX 17 17 PRO B 46 ALA B 49 1 4 HELIX 18 18 VAL B 53 THR B 58 1 6 HELIX 19 19 LEU B 60 GLN B 62 5 3 HELIX 20 20 ALA B 65 LYS B 86 1 22 HELIX 21 21 GLY B 96 PHE B 106 1 11 HELIX 22 22 VAL B 109 SER B 122 1 14 HELIX 23 23 PRO B 149 MET B 151 5 3 HELIX 24 24 GLU B 153 SER B 156 1 4 HELIX 25 25 GLU B 170 ALA B 172 5 3 HELIX 26 26 TYR B 174 PHE B 177 1 4 HELIX 27 27 ARG B 181 VAL B 191 1 11 HELIX 28 28 TRP B 194 ALA B 203 1 10 SHEET 1 A 3 LYS A 137 ALA A 144 0 SHEET 2 A 3 GLY A 127 LYS A 134 -1 N LYS A 134 O LYS A 137 SHEET 3 A 3 PHE A 161 ASP A 167 -1 N LEU A 166 O ALA A 129 SHEET 1 B 3 LYS B 137 ALA B 144 0 SHEET 2 B 3 GLY B 127 LYS B 134 -1 N LYS B 134 O LYS B 137 SHEET 3 B 3 PHE B 161 ASP B 167 -1 N LEU B 166 O ALA B 129 LINK NE2 HIS A 26 FE FE A 206 1555 1555 2.16 LINK NE2 HIS A 81 FE FE A 206 1555 1555 2.06 LINK OD2 ASP A 167 FE FE A 206 1555 1555 2.08 LINK NE2 HIS A 171 FE FE A 206 1555 1555 2.27 LINK FE FE A 206 O OH A 207 1555 1555 2.22 LINK NE2 HIS B 26 FE FE B 206 1555 1555 2.21 LINK NE2 HIS B 81 FE FE B 206 1555 1555 2.19 LINK OD2 ASP B 167 FE FE B 206 1555 1555 2.03 LINK NE2 HIS B 171 FE FE B 206 1555 1555 2.32 LINK FE FE B 206 O OH B 207 1555 1555 2.23 LINK FE FE B 206 O OH B 208 1555 1555 1.99 CISPEP 1 GLU A 15 PRO A 16 0 -0.23 CISPEP 2 GLU B 15 PRO B 16 0 -0.03 SITE 1 FE1 6 FE A 206 HIS A 26 HIS A 81 ASP A 167 SITE 2 FE1 6 HIS A 171 OH A 207 SITE 1 FE2 7 FE B 206 HIS B 26 HIS B 81 ASP B 167 SITE 2 FE2 7 HIS B 171 OH B 207 OH B 208 SITE 1 AC1 6 HIS A 81 GLN A 146 ASP A 167 TRP A 169 SITE 2 AC1 6 HIS A 171 FE A 206 SITE 1 AC2 8 TYR B 34 HIS B 81 GLN B 146 ASP B 167 SITE 2 AC2 8 TRP B 169 HIS B 171 FE B 206 OH B 208 SITE 1 AC3 7 HIS B 26 HIS B 30 TYR B 34 HIS B 81 SITE 2 AC3 7 HIS B 171 FE B 206 OH B 207 SITE 1 AC4 5 HIS A 26 HIS A 81 ASP A 167 HIS A 171 SITE 2 AC4 5 OH A 207 SITE 1 AC5 6 HIS B 26 HIS B 81 ASP B 167 HIS B 171 SITE 2 AC5 6 OH B 207 OH B 208 CRYST1 46.190 89.040 206.671 90.00 90.00 90.00 C 2 2 21 16 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 0.021650 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011231 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004839 0.00000 MTRIX1 1 0.729903 0.132591 0.670567 -17.32900 1 MTRIX2 1 0.126001 -0.990294 0.058660 51.12900 1 MTRIX3 1 0.671837 0.041676 -0.739526 34.36400 1