HEADER OXIDOREDUCTASE 03-JAN-22 7QP5 TITLE CRYSTAL STRUCTURE OF E. COLI FHUF COMPND MOL_ID: 1; COMPND 2 MOLECULE: FERRIC IRON REDUCTASE PROTEIN FHUF; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI K-12; SOURCE 3 ORGANISM_TAXID: 83333; SOURCE 4 STRAIN: K12; SOURCE 5 GENE: FHUF, YJJS, B4367, JW4331; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS FERRIC SIDEROPHORE REDUCTASE, IRON-SULPHUR PROTEIN, IRON UPTAKE, KEYWDS 2 OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR I.B.TRINDADE,F.ROLLO,P.M.MATIAS,E.MOE,R.O.LOURO REVDAT 3 01-MAY-24 7QP5 1 REMARK REVDAT 2 19-JUL-23 7QP5 1 REMARK REVDAT 1 12-JUL-23 7QP5 0 JRNL AUTH I.B.TRINDADE,F.ROLLO,S.TODOROVIC,T.CATARINO,E.MOE, JRNL AUTH 2 P.M.MATIAS,M.PICCIOLI,R.O.LOURO JRNL TITL THE STRUCTURE OF A NOVEL FERREDOXIN: FHUF, A JRNL TITL 2 FERRIC-SIDEROPHORE REDUCTASE FROM E. COLI K-12 WITH A NOVEL JRNL TITL 3 2FE-2S CLUSTER COORDINATION JRNL REF BIORXIV 2023 JRNL REFN ISSN 2692-8205 JRNL DOI 10.1101/2023.07.04.547673 REMARK 2 REMARK 2 RESOLUTION. 1.92 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.20_4438 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.92 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 65.95 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 59.0 REMARK 3 NUMBER OF REFLECTIONS : 25244 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.212 REMARK 3 R VALUE (WORKING SET) : 0.209 REMARK 3 FREE R VALUE : 0.252 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.230 REMARK 3 FREE R VALUE TEST SET COUNT : 1319 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 65.9500 - 3.9900 0.99 4556 260 0.1756 0.2031 REMARK 3 2 3.9900 - 3.1700 0.99 4518 239 0.1885 0.2462 REMARK 3 3 3.1700 - 2.7700 0.95 4256 240 0.2335 0.2981 REMARK 3 4 2.7700 - 2.5200 0.74 3354 186 0.2672 0.2912 REMARK 3 5 2.5200 - 2.3400 0.59 2625 150 0.2623 0.3151 REMARK 3 6 2.3400 - 2.2000 0.46 2049 109 0.2564 0.3034 REMARK 3 7 2.2000 - 2.0900 0.34 1531 73 0.2711 0.3116 REMARK 3 8 2.0900 - 2.0000 0.19 848 48 0.2859 0.3156 REMARK 3 9 2.0000 - 1.9200 0.04 188 14 0.3018 0.3789 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.272 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 32.180 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 28.19 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 33.81 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.003 3984 REMARK 3 ANGLE : 0.559 5431 REMARK 3 CHIRALITY : 0.039 617 REMARK 3 PLANARITY : 0.005 693 REMARK 3 DIHEDRAL : 12.861 1472 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : 1 REMARK 3 NCS GROUP : ens_1 REMARK 3 NCS OPERATOR : 1 REMARK 3 REFERENCE SELECTION: NULL REMARK 3 SELECTION : chain "A" REMARK 3 ATOM PAIRS NUMBER : NULL REMARK 3 RMSD : NULL REMARK 3 NCS OPERATOR : 2 REMARK 3 REFERENCE SELECTION: NULL REMARK 3 SELECTION : (chain "B" and resid 21 through 301) REMARK 3 ATOM PAIRS NUMBER : NULL REMARK 3 RMSD : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 7QP5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 04-JAN-22. REMARK 100 THE DEPOSITION ID IS D_1292119935. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-DEC-21 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALBA REMARK 200 BEAMLINE : XALOC REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97934 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS FEB 5, 2021 REMARK 200 DATA SCALING SOFTWARE : STARANISO 1.0.5 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25252 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.920 REMARK 200 RESOLUTION RANGE LOW (A) : 65.950 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 52.7 REMARK 200 DATA REDUNDANCY : 3.300 REMARK 200 R MERGE (I) : 0.07800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.92 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.11 REMARK 200 COMPLETENESS FOR SHELL (%) : 10.7 REMARK 200 DATA REDUNDANCY IN SHELL : 2.10 REMARK 200 R MERGE FOR SHELL (I) : 0.56700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER 2.8.3 REMARK 200 STARTING MODEL: ALPHA FOLD MODEL REMARK 200 REMARK 200 REMARK: THICK PLATE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.78 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.55 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN CONCENTRATION 50 MG/ML, 0.2 M REMARK 280 MGCL2.6H2O, 0.1 M TRIS-HCL PH 8.5, 30% W/V PEG 4000, HANGING REMARK 280 DROP VAPOR DIFFUSION; 2 MICROLITERS PROTEIN + 2 MICROLITERS REMARK 280 RESERVOIR EQUILIBRATED AGAINST 500 MICROLITERS RESERVOIR, PH 8.2, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 58.45600 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 36.78700 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 58.45600 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 36.78700 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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 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 LEU A 18 REMARK 465 GLN A 19 REMARK 465 PRO A 20 REMARK 465 LYS A 262 REMARK 465 LEU B 18 REMARK 465 GLN B 19 REMARK 465 LYS B 262 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 477 O HOH A 479 1.99 REMARK 500 O HOH A 465 O HOH A 477 2.01 REMARK 500 OH TYR B 189 OD2 ASP B 258 2.04 REMARK 500 O HOH A 469 O HOH A 476 2.09 REMARK 500 OD1 ASN A 147 OG SER B 121 2.10 REMARK 500 OH TYR A 189 OD2 ASP A 258 2.11 REMARK 500 O HOH B 471 O HOH B 472 2.12 REMARK 500 O HOH A 469 O HOH A 475 2.16 REMARK 500 O HOH B 466 O HOH B 471 2.18 REMARK 500 OH TYR A 78 O HOH A 401 2.18 REMARK 500 O HOH A 483 O HOH A 484 2.19 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 THR A 113 36.08 -140.28 REMARK 500 ASP A 258 58.09 -113.60 REMARK 500 THR B 113 35.38 -140.14 REMARK 500 ASP B 258 57.47 -113.72 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 A 485 DISTANCE = 5.95 ANGSTROMS 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 FES A 301 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 244 SG REMARK 620 2 FES A 301 S1 114.2 REMARK 620 3 FES A 301 S2 105.2 104.2 REMARK 620 4 CYS A 259 SG 99.7 113.2 120.5 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FES A 301 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 245 SG REMARK 620 2 FES A 301 S1 114.5 REMARK 620 3 FES A 301 S2 110.0 104.2 REMARK 620 4 CYS A 256 SG 98.6 113.2 116.8 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FES B 301 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 244 SG REMARK 620 2 FES B 301 S1 115.1 REMARK 620 3 FES B 301 S2 106.6 104.0 REMARK 620 4 CYS B 259 SG 100.2 113.4 117.8 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FES B 301 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 245 SG REMARK 620 2 FES B 301 S1 114.7 REMARK 620 3 FES B 301 S2 109.3 104.2 REMARK 620 4 CYS B 256 SG 101.9 112.6 114.5 REMARK 620 N 1 2 3 DBREF 7QP5 A 18 262 UNP P39405 FHUF_ECOLI 18 262 DBREF 7QP5 B 18 262 UNP P39405 FHUF_ECOLI 18 262 SEQADV 7QP5 SER A 143 UNP P39405 CYS 143 ENGINEERED MUTATION SEQADV 7QP5 SER B 143 UNP P39405 CYS 143 ENGINEERED MUTATION SEQRES 1 A 245 LEU GLN PRO GLN ASP PRO THR LEU ALA GLN ALA VAL ARG SEQRES 2 A 245 ALA THR ILE ALA LYS HIS ARG GLU HIS LEU LEU GLU PHE SEQRES 3 A 245 ILE ARG LEU ASP GLU PRO ALA PRO LEU ASN ALA MET THR SEQRES 4 A 245 LEU ALA GLN TRP SER SER PRO ASN VAL LEU SER SER LEU SEQRES 5 A 245 LEU ALA VAL TYR SER ASP HIS ILE TYR ARG ASN GLN PRO SEQRES 6 A 245 MET MET ILE ARG GLU ASN LYS PRO LEU ILE SER LEU TRP SEQRES 7 A 245 ALA GLN TRP TYR ILE GLY LEU MET VAL PRO PRO LEU MET SEQRES 8 A 245 LEU ALA LEU LEU THR GLN GLU LYS ALA LEU ASP VAL SER SEQRES 9 A 245 PRO GLU HIS PHE HIS ALA GLU PHE HIS GLU THR GLY ARG SEQRES 10 A 245 VAL ALA CYS PHE TRP VAL ASP VAL SER GLU ASP LYS ASN SEQRES 11 A 245 ALA THR PRO HIS SER PRO GLN HIS ARG MET GLU THR LEU SEQRES 12 A 245 ILE SER GLN ALA LEU VAL PRO VAL VAL GLN ALA LEU GLU SEQRES 13 A 245 ALA THR GLY GLU ILE ASN GLY LYS LEU ILE TRP SER ASN SEQRES 14 A 245 THR GLY TYR LEU ILE ASN TRP TYR LEU THR GLU MET LYS SEQRES 15 A 245 GLN LEU LEU GLY GLU ALA THR VAL GLU SER LEU ARG HIS SEQRES 16 A 245 ALA LEU PHE PHE GLU LYS THR LEU THR ASN GLY GLU ASP SEQRES 17 A 245 ASN PRO LEU TRP ARG THR VAL VAL LEU ARG ASP GLY LEU SEQRES 18 A 245 LEU VAL ARG ARG THR CYS CYS GLN ARG TYR ARG LEU PRO SEQRES 19 A 245 ASP VAL GLN GLN CYS GLY ASP CYS THR LEU LYS SEQRES 1 B 245 LEU GLN PRO GLN ASP PRO THR LEU ALA GLN ALA VAL ARG SEQRES 2 B 245 ALA THR ILE ALA LYS HIS ARG GLU HIS LEU LEU GLU PHE SEQRES 3 B 245 ILE ARG LEU ASP GLU PRO ALA PRO LEU ASN ALA MET THR SEQRES 4 B 245 LEU ALA GLN TRP SER SER PRO ASN VAL LEU SER SER LEU SEQRES 5 B 245 LEU ALA VAL TYR SER ASP HIS ILE TYR ARG ASN GLN PRO SEQRES 6 B 245 MET MET ILE ARG GLU ASN LYS PRO LEU ILE SER LEU TRP SEQRES 7 B 245 ALA GLN TRP TYR ILE GLY LEU MET VAL PRO PRO LEU MET SEQRES 8 B 245 LEU ALA LEU LEU THR GLN GLU LYS ALA LEU ASP VAL SER SEQRES 9 B 245 PRO GLU HIS PHE HIS ALA GLU PHE HIS GLU THR GLY ARG SEQRES 10 B 245 VAL ALA CYS PHE TRP VAL ASP VAL SER GLU ASP LYS ASN SEQRES 11 B 245 ALA THR PRO HIS SER PRO GLN HIS ARG MET GLU THR LEU SEQRES 12 B 245 ILE SER GLN ALA LEU VAL PRO VAL VAL GLN ALA LEU GLU SEQRES 13 B 245 ALA THR GLY GLU ILE ASN GLY LYS LEU ILE TRP SER ASN SEQRES 14 B 245 THR GLY TYR LEU ILE ASN TRP TYR LEU THR GLU MET LYS SEQRES 15 B 245 GLN LEU LEU GLY GLU ALA THR VAL GLU SER LEU ARG HIS SEQRES 16 B 245 ALA LEU PHE PHE GLU LYS THR LEU THR ASN GLY GLU ASP SEQRES 17 B 245 ASN PRO LEU TRP ARG THR VAL VAL LEU ARG ASP GLY LEU SEQRES 18 B 245 LEU VAL ARG ARG THR CYS CYS GLN ARG TYR ARG LEU PRO SEQRES 19 B 245 ASP VAL GLN GLN CYS GLY ASP CYS THR LEU LYS HET FES A 301 4 HET FES B 301 4 HETNAM FES FE2/S2 (INORGANIC) CLUSTER FORMUL 3 FES 2(FE2 S2) FORMUL 5 HOH *157(H2 O) HELIX 1 AA1 THR A 24 ARG A 37 1 14 HELIX 2 AA2 GLU A 38 GLU A 42 5 5 HELIX 3 AA3 THR A 56 SER A 61 1 6 HELIX 4 AA4 SER A 62 TYR A 78 1 17 HELIX 5 AA5 GLU A 87 THR A 113 1 27 HELIX 6 AA6 SER A 121 GLU A 123 5 3 HELIX 7 AA7 SER A 152 ALA A 164 1 13 HELIX 8 AA8 LEU A 165 ALA A 174 1 10 HELIX 9 AA9 ASN A 179 MET A 198 1 20 HELIX 10 AB1 MET A 198 GLY A 203 1 6 HELIX 11 AB2 GLY A 203 PHE A 216 1 14 HELIX 12 AB3 GLN A 246 LEU A 250 5 5 HELIX 13 AB4 THR B 24 ARG B 37 1 14 HELIX 14 AB5 GLU B 38 GLU B 42 5 5 HELIX 15 AB6 THR B 56 SER B 61 1 6 HELIX 16 AB7 SER B 62 TYR B 78 1 17 HELIX 17 AB8 GLU B 87 THR B 113 1 27 HELIX 18 AB9 SER B 121 GLU B 123 5 3 HELIX 19 AC1 SER B 152 ALA B 164 1 13 HELIX 20 AC2 LEU B 165 ALA B 174 1 10 HELIX 21 AC3 ASN B 179 MET B 198 1 20 HELIX 22 AC4 MET B 198 GLY B 203 1 6 HELIX 23 AC5 GLY B 203 PHE B 216 1 14 HELIX 24 AC6 GLN B 246 LEU B 250 5 5 SHEET 1 AA1 3 ILE A 44 LEU A 46 0 SHEET 2 AA1 3 VAL A 135 VAL A 140 1 O VAL A 140 N ARG A 45 SHEET 3 AA1 3 PHE A 125 PHE A 129 -1 N GLU A 128 O CYS A 137 SHEET 1 AA2 2 VAL A 232 ARG A 235 0 SHEET 2 AA2 2 LEU A 238 ARG A 241 -1 O VAL A 240 N VAL A 233 SHEET 1 AA3 3 ILE B 44 LEU B 46 0 SHEET 2 AA3 3 VAL B 135 VAL B 140 1 O VAL B 140 N ARG B 45 SHEET 3 AA3 3 PHE B 125 PHE B 129 -1 N GLU B 128 O CYS B 137 SHEET 1 AA4 2 VAL B 232 ARG B 235 0 SHEET 2 AA4 2 LEU B 238 ARG B 241 -1 O VAL B 240 N VAL B 233 LINK SG CYS A 244 FE2 FES A 301 1555 1555 2.31 LINK SG CYS A 245 FE1 FES A 301 1555 1555 2.27 LINK SG CYS A 256 FE1 FES A 301 1555 1555 2.31 LINK SG CYS A 259 FE2 FES A 301 1555 1555 2.28 LINK SG CYS B 244 FE2 FES B 301 1555 1555 2.31 LINK SG CYS B 245 FE1 FES B 301 1555 1555 2.27 LINK SG CYS B 256 FE1 FES B 301 1555 1555 2.29 LINK SG CYS B 259 FE2 FES B 301 1555 1555 2.27 CRYST1 116.912 73.574 71.878 90.00 113.44 90.00 C 1 2 1 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 0.008553 0.000000 0.003708 0.00000 SCALE2 0.000000 0.013592 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015164 0.00000 MTRIX1 1 0.281610 -0.004627 0.959518 -6.68050 1 MTRIX2 1 0.000585 -0.999987 -0.004994 -44.82362 1 MTRIX3 1 0.959529 0.001967 -0.281604 -5.15463 1