HEADER OXIDOREDUCTASE(SUPEROXIDE ACCEPTOR) 12-JUL-94 1ISB TITLE STRUCTURE-FUNCTION IN E. COLI IRON SUPEROXIDE DISMUTASE: COMPARISONS TITLE 2 WITH THE MANGANESE ENZYME FROM T. THERMOPHILUS COMPND MOL_ID: 1; COMPND 2 MOLECULE: IRON(III) SUPEROXIDE DISMUTASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 1.15.1.1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM_STRAIN: K12 KEYWDS OXIDOREDUCTASE(SUPEROXIDE ACCEPTOR) EXPDTA X-RAY DIFFRACTION AUTHOR M.S.LAH,M.DIXON,K.A.PATTRIDGE,W.C.STALLINGS,J.A.FEE,M.L.LUDWIG REVDAT 4 07-FEB-24 1ISB 1 REMARK LINK REVDAT 3 29-NOV-17 1ISB 1 HELIX REVDAT 2 24-FEB-09 1ISB 1 VERSN REVDAT 1 30-SEP-94 1ISB 0 JRNL AUTH M.S.LAH,M.M.DIXON,K.A.PATTRIDGE,W.C.STALLINGS,J.A.FEE, JRNL AUTH 2 M.L.LUDWIG JRNL TITL STRUCTURE-FUNCTION IN ESCHERICHIA COLI IRON SUPEROXIDE JRNL TITL 2 DISMUTASE: COMPARISONS WITH THE MANGANESE ENZYME FROM JRNL TITL 3 THERMUS THERMOPHILUS. JRNL REF BIOCHEMISTRY V. 34 1646 1995 JRNL REFN ISSN 0006-2960 JRNL PMID 7849024 JRNL DOI 10.1021/BI00005A021 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH W.C.STALLINGS,C.BULL,J.A.FEE,M.S.LAH,M.L.LUDWIG REMARK 1 TITL IRON AND MANGANESE SUPEROXIDE DISMUTASES: CATALYTIC REMARK 1 TITL 2 INFERENCES FROM THE STRUCTURES REMARK 1 EDIT J.G.SCANDALIOS REMARK 1 REF MOLECULAR BIOLOGY OF FREE 193 1992 REMARK 1 REF 2 RADICAL SCAVENGING SYSTEMS REMARK 1 PUBL COLD SPRING HARBOR LAB.PRESS, PLAINVIEW,N.Y. REMARK 1 REFN REMARK 1 REFERENCE 2 REMARK 1 AUTH A.CARLIOZ,M.L.LUDWIG,W.C.STALLINGS,J.A.FEE,H.M.STEINMAN, REMARK 1 AUTH 2 D.TOUATI REMARK 1 TITL IRON SUPEROXIDE DISMUTASE: NUCLEOTIDE SEQUENCE OF THE GENE REMARK 1 TITL 2 FROM ESCHERICHIA COLI K12 AND CORRELATION WITH CRYSTAL REMARK 1 TITL 3 STRUCTURES REMARK 1 REF J.BIOL.CHEM. V. 263 1555 1988 REMARK 1 REFN ISSN 0021-9258 REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 34879 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 + TEST SET) : 0.184 REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3006 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 281 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) : 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.013 ; NULL REMARK 3 ANGLE DISTANCE (A) : 2.664 ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1ISB 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_1000174249. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 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 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.67 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 40.81000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 35.80500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 37.64000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 35.80500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 40.81000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 37.64000 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 300 REMARK: THE TRANSFORMATION PRESENTED ON *MTRIX* RECORDS BELOW WILL REMARK 300 YIELD APPROXIMATE COORDINATES FOR CHAIN *B* WHEN APPLIED TO REMARK 300 CHAIN *A*. 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 REMARK 350 TOTAL BURIED SURFACE AREA: 1830 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16330 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -8.0 KCAL/MOL 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 HIS A 17 NE2 HIS A 17 CD2 -0.067 REMARK 500 HIS A 30 NE2 HIS A 30 CD2 -0.068 REMARK 500 HIS A 176 NE2 HIS A 176 CD2 -0.073 REMARK 500 HIS B 17 NE2 HIS B 17 CD2 -0.078 REMARK 500 HIS B 30 NE2 HIS B 30 CD2 -0.081 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 TRP A 71 CD1 - CG - CD2 ANGL. DEV. = 6.6 DEGREES REMARK 500 TRP A 71 CG - CD1 - NE1 ANGL. DEV. = -6.2 DEGREES REMARK 500 TRP A 71 CE2 - CD2 - CG ANGL. DEV. = -5.5 DEGREES REMARK 500 TRP A 77 CD1 - CG - CD2 ANGL. DEV. = 5.4 DEGREES REMARK 500 TRP A 77 CE2 - CD2 - CG ANGL. DEV. = -5.9 DEGREES REMARK 500 TRP A 122 CD1 - CG - CD2 ANGL. DEV. = 5.5 DEGREES REMARK 500 TRP A 122 CE2 - CD2 - CG ANGL. DEV. = -5.4 DEGREES REMARK 500 TRP A 124 CD1 - CG - CD2 ANGL. DEV. = 6.0 DEGREES REMARK 500 TRP A 124 CE2 - CD2 - CG ANGL. DEV. = -5.9 DEGREES REMARK 500 TRP A 158 CD1 - CG - CD2 ANGL. DEV. = 5.0 DEGREES REMARK 500 TRP A 158 CE2 - CD2 - CG ANGL. DEV. = -4.8 DEGREES REMARK 500 TRP A 178 CD1 - CG - CD2 ANGL. DEV. = 6.1 DEGREES REMARK 500 TRP A 178 CE2 - CD2 - CG ANGL. DEV. = -5.8 DEGREES REMARK 500 TRP A 183 CD1 - CG - CD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 TRP A 183 CE2 - CD2 - CG ANGL. DEV. = -5.4 DEGREES REMARK 500 ARG B 57 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 TRP B 71 CD1 - CG - CD2 ANGL. DEV. = 6.4 DEGREES REMARK 500 TRP B 71 CE2 - CD2 - CG ANGL. DEV. = -5.7 DEGREES REMARK 500 TRP B 77 CD1 - CG - CD2 ANGL. DEV. = 6.5 DEGREES REMARK 500 TRP B 77 CE2 - CD2 - CG ANGL. DEV. = -6.1 DEGREES REMARK 500 TRP B 77 CG - CD2 - CE3 ANGL. DEV. = 5.5 DEGREES REMARK 500 TRP B 122 CD1 - CG - CD2 ANGL. DEV. = 5.7 DEGREES REMARK 500 TRP B 122 CE2 - CD2 - CG ANGL. DEV. = -5.4 DEGREES REMARK 500 TRP B 124 CD1 - CG - CD2 ANGL. DEV. = 6.4 DEGREES REMARK 500 TRP B 124 CE2 - CD2 - CG ANGL. DEV. = -5.6 DEGREES REMARK 500 TRP B 158 CD1 - CG - CD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 TRP B 158 CE2 - CD2 - CG ANGL. DEV. = -5.6 DEGREES REMARK 500 TYR B 173 CB - CG - CD2 ANGL. DEV. = -3.6 DEGREES REMARK 500 TRP B 178 CD1 - CG - CD2 ANGL. DEV. = 6.7 DEGREES REMARK 500 TRP B 178 CE2 - CD2 - CG ANGL. DEV. = -6.1 DEGREES REMARK 500 TRP B 178 CG - CD2 - CE3 ANGL. DEV. = 5.9 DEGREES REMARK 500 TRP B 183 CD1 - CG - CD2 ANGL. DEV. = 6.4 DEGREES REMARK 500 TRP B 183 CE2 - CD2 - CG ANGL. DEV. = -6.0 DEGREES REMARK 500 REMARK 500 REMARK: NULL 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 ALA A 84 -139.44 -134.67 REMARK 500 ASN A 140 -106.07 51.61 REMARK 500 THR A 147 -169.28 -126.05 REMARK 500 ARG A 167 -123.48 45.64 REMARK 500 ALA B 84 -137.45 -137.38 REMARK 500 ASN B 140 -109.21 52.62 REMARK 500 ARG B 167 -126.65 49.15 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 193 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 26 NE2 REMARK 620 2 HIS A 73 NE2 93.5 REMARK 620 3 ASP A 156 OD2 85.7 111.0 REMARK 620 4 HIS A 160 NE2 90.7 128.4 120.6 REMARK 620 5 HOH A 194 O 176.7 89.2 91.6 89.1 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FE B 193 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 26 NE2 REMARK 620 2 HIS B 73 NE2 96.2 REMARK 620 3 ASP B 156 OD2 84.7 113.6 REMARK 620 4 HIS B 160 NE2 90.4 127.5 118.9 REMARK 620 5 HOH B 194 O 174.4 85.7 89.7 92.6 REMARK 620 N 1 2 3 4 REMARK 650 REMARK 650 HELIX REMARK 650 ASSIGNMENTS OF SECONDARY STRUCTURE ARE BASED ON THE REMARK 650 ALGORITHM OF KABSCH AND SANDER. EXCEPTIONS: THE FIRST REMARK 650 HELIX HAS A KINK NEAR RESIDUE 28; SUCCESSIVE 3/10 TURNS REMARK 650 ARE GIVEN PRIORITY OVER SHORT HELICES. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: FEA REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: FEB REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE A 193 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE B 193 DBREF 1ISB A 1 192 UNP P09157 SODF_ECOLI 1 192 DBREF 1ISB B 1 192 UNP P09157 SODF_ECOLI 1 192 SEQRES 1 A 192 SER PHE GLU LEU PRO ALA LEU PRO TYR ALA LYS ASP ALA SEQRES 2 A 192 LEU ALA PRO HIS ILE SER ALA GLU THR ILE GLU TYR HIS SEQRES 3 A 192 TYR GLY LYS HIS HIS GLN THR TYR VAL THR ASN LEU ASN SEQRES 4 A 192 ASN LEU ILE LYS GLY THR ALA PHE GLU GLY LYS SER LEU SEQRES 5 A 192 GLU GLU ILE ILE ARG SER SER GLU GLY GLY VAL PHE ASN SEQRES 6 A 192 ASN ALA ALA GLN VAL TRP ASN HIS THR PHE TYR TRP ASN SEQRES 7 A 192 CYS LEU ALA PRO ASN ALA GLY GLY GLU PRO THR GLY LYS SEQRES 8 A 192 VAL ALA GLU ALA ILE ALA ALA SER PHE GLY SER PHE ALA SEQRES 9 A 192 ASP PHE LYS ALA GLN PHE THR ASP ALA ALA ILE LYS ASN SEQRES 10 A 192 PHE GLY SER GLY TRP THR TRP LEU VAL LYS ASN SER ASP SEQRES 11 A 192 GLY LYS LEU ALA ILE VAL SER THR SER ASN ALA GLY THR SEQRES 12 A 192 PRO LEU THR THR ASP ALA THR PRO LEU LEU THR VAL ASP SEQRES 13 A 192 VAL TRP GLU HIS ALA TYR TYR ILE ASP TYR ARG ASN ALA SEQRES 14 A 192 ARG PRO GLY TYR LEU GLU HIS PHE TRP ALA LEU VAL ASN SEQRES 15 A 192 TRP GLU PHE VAL ALA LYS ASN LEU ALA ALA SEQRES 1 B 192 SER PHE GLU LEU PRO ALA LEU PRO TYR ALA LYS ASP ALA SEQRES 2 B 192 LEU ALA PRO HIS ILE SER ALA GLU THR ILE GLU TYR HIS SEQRES 3 B 192 TYR GLY LYS HIS HIS GLN THR TYR VAL THR ASN LEU ASN SEQRES 4 B 192 ASN LEU ILE LYS GLY THR ALA PHE GLU GLY LYS SER LEU SEQRES 5 B 192 GLU GLU ILE ILE ARG SER SER GLU GLY GLY VAL PHE ASN SEQRES 6 B 192 ASN ALA ALA GLN VAL TRP ASN HIS THR PHE TYR TRP ASN SEQRES 7 B 192 CYS LEU ALA PRO ASN ALA GLY GLY GLU PRO THR GLY LYS SEQRES 8 B 192 VAL ALA GLU ALA ILE ALA ALA SER PHE GLY SER PHE ALA SEQRES 9 B 192 ASP PHE LYS ALA GLN PHE THR ASP ALA ALA ILE LYS ASN SEQRES 10 B 192 PHE GLY SER GLY TRP THR TRP LEU VAL LYS ASN SER ASP SEQRES 11 B 192 GLY LYS LEU ALA ILE VAL SER THR SER ASN ALA GLY THR SEQRES 12 B 192 PRO LEU THR THR ASP ALA THR PRO LEU LEU THR VAL ASP SEQRES 13 B 192 VAL TRP GLU HIS ALA TYR TYR ILE ASP TYR ARG ASN ALA SEQRES 14 B 192 ARG PRO GLY TYR LEU GLU HIS PHE TRP ALA LEU VAL ASN SEQRES 15 B 192 TRP GLU PHE VAL ALA LYS ASN LEU ALA ALA HET FE A 193 1 HET FE B 193 1 HETNAM FE FE (III) ION FORMUL 3 FE 2(FE 3+) FORMUL 5 HOH *281(H2 O) HELIX 1 HA1 ALA A 20 ILE A 42 1 23 HELIX 2 HA2 LEU A 52 SER A 58 1 7 HELIX 3 HA3 GLY A 61 ASN A 78 1 18 HELIX 4 HA4 GLY A 90 PHE A 100 1 11 HELIX 5 HA5 PHE A 103 LYS A 116 1 14 HELIX 6 HA6 PRO A 144 THR A 146 5 3 HELIX 7 HA7 ARG A 170 TRP A 178 1 9 HELIX 8 HA8 TRP A 183 LEU A 190 1 8 HELIX 9 HB1 ALA B 20 ILE B 42 1 23 HELIX 10 HB2 LEU B 52 SER B 58 1 7 HELIX 11 HB3 GLY B 61 ASN B 78 1 18 HELIX 12 HB4 GLY B 90 PHE B 100 1 11 HELIX 13 HB5 PHE B 103 LYS B 116 1 14 HELIX 14 HB6 PRO B 144 THR B 146 5 3 HELIX 15 HB7 ARG B 170 TRP B 178 1 9 HELIX 16 HB8 TRP B 183 LEU B 190 1 8 SHEET 1 B1A 3 LEU A 133 SER A 139 0 SHEET 2 B1A 3 GLY A 121 LYS A 127 -1 O TRP A 122 N THR A 138 SHEET 3 B1A 3 THR A 150 ASP A 156 -1 N THR A 150 O LYS A 127 SHEET 1 B1B 3 LEU B 133 SER B 139 0 SHEET 2 B1B 3 GLY B 121 LYS B 127 -1 O TRP B 122 N THR B 138 SHEET 3 B1B 3 THR B 150 ASP B 156 -1 N THR B 150 O LYS B 127 LINK NE2 HIS A 26 FE FE A 193 1555 1555 2.15 LINK NE2 HIS A 73 FE FE A 193 1555 1555 2.06 LINK OD2 ASP A 156 FE FE A 193 1555 1555 1.89 LINK NE2 HIS A 160 FE FE A 193 1555 1555 2.08 LINK FE FE A 193 O HOH A 194 1555 1555 1.92 LINK NE2 HIS B 26 FE FE B 193 1555 1555 2.17 LINK NE2 HIS B 73 FE FE B 193 1555 1555 2.03 LINK OD2 ASP B 156 FE FE B 193 1555 1555 1.93 LINK NE2 HIS B 160 FE FE B 193 1555 1555 2.06 LINK FE FE B 193 O HOH B 194 1555 1555 1.99 CISPEP 1 ALA A 15 PRO A 16 0 5.54 CISPEP 2 ALA B 15 PRO B 16 0 3.74 SITE 1 FEA 5 HIS A 26 HIS A 73 ASP A 156 HIS A 160 SITE 2 FEA 5 HOH A 194 SITE 1 FEB 5 HIS B 26 HIS B 73 ASP B 156 HIS B 160 SITE 2 FEB 5 HOH B 194 SITE 1 AC1 5 HIS A 26 HIS A 73 ASP A 156 HIS A 160 SITE 2 AC1 5 HOH A 194 SITE 1 AC2 5 HIS B 26 HIS B 73 ASP B 156 HIS B 160 SITE 2 AC2 5 HOH B 194 CRYST1 81.620 75.280 71.610 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 0.012252 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013284 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013965 0.00000 MTRIX1 1 -0.146900 -0.954100 0.261200 56.55263 1 MTRIX2 1 -0.955000 0.068000 -0.288600 67.20761 1 MTRIX3 1 0.257600 -0.291800 -0.921100 61.45992 1