HEADER OXIDOREDUCTASE 15-FEB-19 6O0B TITLE STRUCTURAL AND MECHANISTIC INSIGHTS INTO CO2 ACTIVATION BY NITROGENASE TITLE 2 IRON PROTEIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: NITROGENASE IRON PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: NITROGENASE FE PROTEIN,NITROGENASE COMPONENT II,NITROGENASE COMPND 5 REDUCTASE; COMPND 6 EC: 1.18.6.1; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: AZOTOBACTER VINELANDII (STRAIN DJ / ATCC BAA- SOURCE 3 1303); SOURCE 4 ORGANISM_TAXID: 322710; SOURCE 5 STRAIN: DJ / ATCC BAA-1303; SOURCE 6 GENE: NIFH, AVIN_01380; SOURCE 7 EXPRESSION_SYSTEM: AZOTOBACTER VINELANDII DJ; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 322710 KEYWDS NITROGENASE, IRON PROTEIN, IRON-SULFUR CLUSTER, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR L.A.RETTBERG,M.T.STIEBRITZ,W.KANG,C.C.LEE,M.W.RIBBE,Y.HU REVDAT 4 11-OCT-23 6O0B 1 LINK REVDAT 3 27-NOV-19 6O0B 1 REMARK REVDAT 2 30-OCT-19 6O0B 1 JRNL REVDAT 1 04-SEP-19 6O0B 0 JRNL AUTH L.A.RETTBERG,M.T.STIEBRITZ,W.KANG,C.C.LEE,M.W.RIBBE,Y.HU JRNL TITL STRUCTURAL AND MECHANISTIC INSIGHTS INTO CO2ACTIVATION BY JRNL TITL 2 NITROGENASE IRON PROTEIN. JRNL REF CHEMISTRY V. 25 13078 2019 JRNL REFN ISSN 0947-6539 JRNL PMID 31402524 JRNL DOI 10.1002/CHEM.201903387 REMARK 2 REMARK 2 RESOLUTION. 1.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.16-3549 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.27 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.1 REMARK 3 NUMBER OF REFLECTIONS : 81050 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.207 REMARK 3 R VALUE (WORKING SET) : 0.206 REMARK 3 FREE R VALUE : 0.219 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 2.450 REMARK 3 FREE R VALUE TEST SET COUNT : 1988 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 38.2700 - 3.8500 0.99 5786 144 0.1622 0.1630 REMARK 3 2 3.8500 - 3.0600 0.99 5740 141 0.1894 0.2393 REMARK 3 3 3.0600 - 2.6700 0.98 5647 147 0.2263 0.1992 REMARK 3 4 2.6700 - 2.4300 0.99 5682 146 0.2221 0.2340 REMARK 3 5 2.4300 - 2.2500 0.99 5684 139 0.2186 0.2260 REMARK 3 6 2.2500 - 2.1200 0.97 5601 133 0.2254 0.2718 REMARK 3 7 2.1200 - 2.0200 0.98 5629 144 0.2342 0.2467 REMARK 3 8 2.0200 - 1.9300 0.98 5658 156 0.2344 0.2508 REMARK 3 9 1.9300 - 1.8500 0.99 5656 141 0.2466 0.2349 REMARK 3 10 1.8500 - 1.7900 0.96 5481 126 0.2394 0.2513 REMARK 3 11 1.7900 - 1.7300 0.98 5590 150 0.2449 0.2675 REMARK 3 12 1.7300 - 1.6800 0.98 5667 138 0.2596 0.2674 REMARK 3 13 1.6800 - 1.6400 0.98 5650 137 0.2726 0.2805 REMARK 3 14 1.6400 - 1.6000 0.98 5591 146 0.3054 0.2921 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL 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) : 0.198 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.793 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 33.48 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 : 0.007 4188 REMARK 3 ANGLE : 0.804 5677 REMARK 3 CHIRALITY : 0.063 679 REMARK 3 PLANARITY : 0.005 736 REMARK 3 DIHEDRAL : 8.454 2535 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 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6O0B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-FEB-19. REMARK 100 THE DEPOSITION ID IS D_1000239774. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-NOV-16 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97557 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 REMARK 200 DATA SCALING SOFTWARE : SCALA 3.3.22 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 81373 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 38.270 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.1 REMARK 200 DATA REDUNDANCY : 6.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.69 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.10 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER 2.8.3 REMARK 200 STARTING MODEL: 1G1M REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.39 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.58 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, SODIUM CHLORIDE, TRIS, REMARK 280 GLYCEROL, PH 8.0, LIQUID DIFFUSION, TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 46.52250 REMARK 290 SMTRY3 2 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: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3390 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 21980 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -41.0 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 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 ALA A 1 REMARK 465 GLU A 287 REMARK 465 GLU A 288 REMARK 465 VAL A 289 REMARK 465 ALA B 1 REMARK 465 VAL B 289 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS A 32 CG CD CE NZ REMARK 470 LYS A 41 CG CD CE NZ REMARK 470 LYS A 52 CG CD CE NZ REMARK 470 GLU A 59 CG CD OE1 OE2 REMARK 470 GLU A 63 CG CD OE1 OE2 REMARK 470 GLU A 68 CG CD OE1 OE2 REMARK 470 GLU A 71 CG CD OE1 OE2 REMARK 470 GLU A 73 CG CD OE1 OE2 REMARK 470 GLU A 111 CG CD OE1 OE2 REMARK 470 GLU A 116 CG CD OE1 OE2 REMARK 470 ASP A 117 CG OD1 OD2 REMARK 470 ASP A 118 CG OD1 OD2 REMARK 470 ASP A 129 CG OD1 OD2 REMARK 470 ASP A 190 CG OD1 OD2 REMARK 470 ASN A 201 CG OD1 ND2 REMARK 470 ARG A 213 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 221 CG CD OE1 OE2 REMARK 470 LYS A 235 CG CD CE NZ REMARK 470 ARG A 245 CG CD NE CZ NH1 NH2 REMARK 470 ASP A 262 CG OD1 OD2 REMARK 470 GLU A 266 CG CD OE1 OE2 REMARK 470 GLU A 275 CG CD OE1 OE2 REMARK 470 GLU A 277 CG CD OE1 OE2 REMARK 470 GLU A 279 CG CD OE1 OE2 REMARK 470 SER A 280 OG REMARK 470 LYS A 284 CG CD CE NZ REMARK 470 LYS B 32 CG CD CE NZ REMARK 470 LYS B 41 CG CD CE NZ REMARK 470 ASP B 43 CG OD1 OD2 REMARK 470 LYS B 52 CG CD CE NZ REMARK 470 GLU B 59 CG CD OE1 OE2 REMARK 470 GLU B 63 CG CD OE1 OE2 REMARK 470 THR B 66 OG1 CG2 REMARK 470 GLU B 68 CG CD OE1 OE2 REMARK 470 GLU B 71 CG CD OE1 OE2 REMARK 470 GLU B 73 CG CD OE1 OE2 REMARK 470 ASP B 74 CG OD1 OD2 REMARK 470 LYS B 77 CG CD CE NZ REMARK 470 GLU B 92 CG CD OE1 OE2 REMARK 470 GLU B 111 CG CD OE1 OE2 REMARK 470 GLU B 116 CG CD OE1 OE2 REMARK 470 ASP B 117 CG OD1 OD2 REMARK 470 ASP B 118 CG OD1 OD2 REMARK 470 ASP B 129 CG OD1 OD2 REMARK 470 ASN B 173 CG OD1 ND2 REMARK 470 ARG B 187 CG CD NE CZ NH1 NH2 REMARK 470 ARG B 213 CG CD NE CZ NH1 NH2 REMARK 470 ASP B 214 CG OD1 OD2 REMARK 470 LYS B 233 CG CD CE NZ REMARK 470 LYS B 235 CG CD CE NZ REMARK 470 GLU B 270 CG CD OE1 OE2 REMARK 470 GLU B 277 CG CD OE1 OE2 REMARK 470 GLU B 279 CG CD OE1 OE2 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 VAL A 95 -42.32 -130.13 REMARK 500 ASP A 117 -149.74 -158.81 REMARK 500 ASP A 129 -78.22 -137.84 REMARK 500 SER A 176 32.78 -150.83 REMARK 500 THR A 205 -150.13 -123.63 REMARK 500 ASP A 231 83.56 -152.16 REMARK 500 ALA B 53 130.74 -173.64 REMARK 500 VAL B 95 -33.65 -132.90 REMARK 500 ASP B 129 -82.35 -130.14 REMARK 500 THR B 205 -149.91 -118.91 REMARK 500 ASP B 231 77.64 -157.39 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 SF4 A 301 FE3 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 97 SG REMARK 620 2 SF4 A 301 S1 112.9 REMARK 620 3 SF4 A 301 S2 117.0 104.0 REMARK 620 4 SF4 A 301 S4 111.1 104.7 106.2 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 301 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 132 SG REMARK 620 2 SF4 A 301 S2 105.5 REMARK 620 3 SF4 A 301 S3 117.4 107.7 REMARK 620 4 SF4 A 301 S4 115.2 105.4 104.8 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 301 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 97 SG REMARK 620 2 SF4 A 301 S1 112.3 REMARK 620 3 SF4 A 301 S3 116.2 106.1 REMARK 620 4 SF4 A 301 S4 112.2 103.8 105.3 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 301 FE4 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 132 SG REMARK 620 2 SF4 A 301 S1 114.1 REMARK 620 3 SF4 A 301 S2 117.8 104.9 REMARK 620 4 SF4 A 301 S3 105.8 105.7 107.8 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SF4 A 301 DBREF 6O0B A 1 289 UNP C1DGZ6 C1DGZ6_AZOVD 2 290 DBREF 6O0B B 1 289 UNP C1DGZ6 C1DGZ6_AZOVD 2 290 SEQRES 1 A 289 ALA MET ARG GLN CYS ALA ILE TYR GLY LYS GLY GLY ILE SEQRES 2 A 289 GLY LYS SER THR THR THR GLN ASN LEU VAL ALA ALA LEU SEQRES 3 A 289 ALA GLU MET GLY LYS LYS VAL MET ILE VAL GLY CYS ASP SEQRES 4 A 289 PRO LYS ALA ASP SER THR ARG LEU ILE LEU HIS SER LYS SEQRES 5 A 289 ALA GLN ASN THR ILE MET GLU MET ALA ALA GLU ALA GLY SEQRES 6 A 289 THR VAL GLU ASP LEU GLU LEU GLU ASP VAL LEU LYS ALA SEQRES 7 A 289 GLY TYR GLY GLY VAL LYS CYS VAL GLU SER GLY GLY PRO SEQRES 8 A 289 GLU PRO GLY VAL GLY CYS ALA GLY ARG GLY VAL ILE THR SEQRES 9 A 289 ALA ILE ASN PHE LEU GLU GLU GLU GLY ALA TYR GLU ASP SEQRES 10 A 289 ASP LEU ASP PHE VAL PHE TYR ASP VAL LEU GLY ASP VAL SEQRES 11 A 289 VAL CYS GLY GLY PHE ALA MET PRO ILE ARG GLU ASN LYS SEQRES 12 A 289 ALA GLN GLU ILE TYR ILE VAL CYS SER GLY GLU MET MET SEQRES 13 A 289 ALA MET TYR ALA ALA ASN ASN ILE SER LYS GLY ILE VAL SEQRES 14 A 289 LYS TYR ALA ASN SER GLY SER VAL ARG LEU GLY GLY LEU SEQRES 15 A 289 ILE CYS ASN SER ARG ASN THR ASP ARG GLU ASP GLU LEU SEQRES 16 A 289 ILE ILE ALA LEU ALA ASN LYS LEU GLY THR GLN MET ILE SEQRES 17 A 289 HIS PHE VAL PRO ARG ASP ASN VAL VAL GLN ARG ALA GLU SEQRES 18 A 289 ILE ARG ARG MET THR VAL ILE GLU TYR ASP PRO LYS ALA SEQRES 19 A 289 LYS GLN ALA ASP GLU TYR ARG ALA LEU ALA ARG LYS VAL SEQRES 20 A 289 VAL ASP ASN LYS LEU LEU VAL ILE PRO ASN PRO ILE THR SEQRES 21 A 289 MET ASP GLU LEU GLU GLU LEU LEU MET GLU PHE GLY ILE SEQRES 22 A 289 MET GLU VAL GLU ASP GLU SER ILE VAL GLY LYS THR ALA SEQRES 23 A 289 GLU GLU VAL SEQRES 1 B 289 ALA MET ARG GLN CYS ALA ILE TYR GLY LYS GLY GLY ILE SEQRES 2 B 289 GLY LYS SER THR THR THR GLN ASN LEU VAL ALA ALA LEU SEQRES 3 B 289 ALA GLU MET GLY LYS LYS VAL MET ILE VAL GLY CYS ASP SEQRES 4 B 289 PRO LYS ALA ASP SER THR ARG LEU ILE LEU HIS SER LYS SEQRES 5 B 289 ALA GLN ASN THR ILE MET GLU MET ALA ALA GLU ALA GLY SEQRES 6 B 289 THR VAL GLU ASP LEU GLU LEU GLU ASP VAL LEU LYS ALA SEQRES 7 B 289 GLY TYR GLY GLY VAL LYS CYS VAL GLU SER GLY GLY PRO SEQRES 8 B 289 GLU PRO GLY VAL GLY CYS ALA GLY ARG GLY VAL ILE THR SEQRES 9 B 289 ALA ILE ASN PHE LEU GLU GLU GLU GLY ALA TYR GLU ASP SEQRES 10 B 289 ASP LEU ASP PHE VAL PHE TYR ASP VAL LEU GLY ASP VAL SEQRES 11 B 289 VAL CYS GLY GLY PHE ALA MET PRO ILE ARG GLU ASN LYS SEQRES 12 B 289 ALA GLN GLU ILE TYR ILE VAL CYS SER GLY GLU MET MET SEQRES 13 B 289 ALA MET TYR ALA ALA ASN ASN ILE SER LYS GLY ILE VAL SEQRES 14 B 289 LYS TYR ALA ASN SER GLY SER VAL ARG LEU GLY GLY LEU SEQRES 15 B 289 ILE CYS ASN SER ARG ASN THR ASP ARG GLU ASP GLU LEU SEQRES 16 B 289 ILE ILE ALA LEU ALA ASN LYS LEU GLY THR GLN MET ILE SEQRES 17 B 289 HIS PHE VAL PRO ARG ASP ASN VAL VAL GLN ARG ALA GLU SEQRES 18 B 289 ILE ARG ARG MET THR VAL ILE GLU TYR ASP PRO LYS ALA SEQRES 19 B 289 LYS GLN ALA ASP GLU TYR ARG ALA LEU ALA ARG LYS VAL SEQRES 20 B 289 VAL ASP ASN LYS LEU LEU VAL ILE PRO ASN PRO ILE THR SEQRES 21 B 289 MET ASP GLU LEU GLU GLU LEU LEU MET GLU PHE GLY ILE SEQRES 22 B 289 MET GLU VAL GLU ASP GLU SER ILE VAL GLY LYS THR ALA SEQRES 23 B 289 GLU GLU VAL HET SF4 A 301 8 HETNAM SF4 IRON/SULFUR CLUSTER FORMUL 3 SF4 FE4 S4 FORMUL 4 HOH *252(H2 O) HELIX 1 AA1 GLY A 14 MET A 29 1 16 HELIX 2 AA2 THR A 45 HIS A 50 1 6 HELIX 3 AA3 THR A 56 ALA A 64 1 9 HELIX 4 AA4 THR A 66 LEU A 70 5 5 HELIX 5 AA5 GLU A 71 VAL A 75 5 5 HELIX 6 AA6 TYR A 80 GLY A 82 5 3 HELIX 7 AA7 CYS A 97 GLU A 112 1 16 HELIX 8 AA8 ALA A 136 GLU A 141 1 6 HELIX 9 AA9 GLU A 154 TYR A 171 1 18 HELIX 10 AB1 ARG A 191 GLY A 204 1 14 HELIX 11 AB2 ASP A 214 ARG A 223 1 10 HELIX 12 AB3 THR A 226 ASP A 231 1 6 HELIX 13 AB4 ALA A 234 ASN A 250 1 17 HELIX 14 AB5 THR A 260 PHE A 271 1 12 HELIX 15 AB6 GLY B 14 MET B 29 1 16 HELIX 16 AB7 THR B 45 HIS B 50 1 6 HELIX 17 AB8 THR B 56 GLY B 65 1 10 HELIX 18 AB9 THR B 66 LEU B 70 5 5 HELIX 19 AC1 GLU B 71 LEU B 76 1 6 HELIX 20 AC2 TYR B 80 GLY B 82 5 3 HELIX 21 AC3 CYS B 97 GLU B 112 1 16 HELIX 22 AC4 ALA B 136 GLU B 141 1 6 HELIX 23 AC5 GLU B 154 TYR B 171 1 18 HELIX 24 AC6 ARG B 191 GLY B 204 1 14 HELIX 25 AC7 ASP B 214 ILE B 222 1 9 HELIX 26 AC8 THR B 226 ASP B 231 1 6 HELIX 27 AC9 ALA B 234 ASP B 249 1 16 HELIX 28 AD1 THR B 260 PHE B 271 1 12 HELIX 29 AD2 ASP B 278 VAL B 282 5 5 SHEET 1 AA1 8 LYS A 77 ALA A 78 0 SHEET 2 AA1 8 LYS A 84 GLU A 87 -1 O CYS A 85 N LYS A 77 SHEET 3 AA1 8 VAL A 33 CYS A 38 1 N GLY A 37 O VAL A 86 SHEET 4 AA1 8 PHE A 121 LEU A 127 1 O ASP A 125 N CYS A 38 SHEET 5 AA1 8 ARG A 3 GLY A 9 1 N CYS A 5 O VAL A 122 SHEET 6 AA1 8 GLU A 146 CYS A 151 1 O VAL A 150 N TYR A 8 SHEET 7 AA1 8 ARG A 178 ASN A 185 1 O GLY A 180 N ILE A 147 SHEET 8 AA1 8 MET A 207 VAL A 211 1 O VAL A 211 N CYS A 184 SHEET 1 AA2 8 LYS B 77 ALA B 78 0 SHEET 2 AA2 8 LYS B 84 GLU B 87 -1 O CYS B 85 N LYS B 77 SHEET 3 AA2 8 VAL B 33 CYS B 38 1 N GLY B 37 O VAL B 86 SHEET 4 AA2 8 PHE B 121 LEU B 127 1 O ASP B 125 N CYS B 38 SHEET 5 AA2 8 ARG B 3 GLY B 9 1 N CYS B 5 O VAL B 122 SHEET 6 AA2 8 GLU B 146 CYS B 151 1 O TYR B 148 N ALA B 6 SHEET 7 AA2 8 ARG B 178 ASN B 185 1 O GLY B 180 N ILE B 147 SHEET 8 AA2 8 MET B 207 VAL B 211 1 O VAL B 211 N CYS B 184 LINK SG CYS A 97 FE3 SF4 A 301 1555 1555 2.34 LINK SG CYS A 132 FE1 SF4 A 301 1555 1555 2.32 LINK FE2 SF4 A 301 SG CYS B 97 1555 1555 2.28 LINK FE4 SF4 A 301 SG CYS B 132 1555 1555 2.27 SITE 1 AC1 8 CYS A 97 ALA A 98 CYS A 132 GLY A 134 SITE 2 AC1 8 CYS B 97 ALA B 98 CYS B 132 GLY B 134 CRYST1 57.071 93.045 60.796 90.00 98.88 90.00 P 1 21 1 4 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 0.017522 0.000000 0.002736 0.00000 SCALE2 0.000000 0.010747 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016648 0.00000