HEADER OXIDOREDUCTASE 11-FEB-08 3C8F TITLE 4FE-4S-PYRUVATE FORMATE-LYASE ACTIVATING ENZYME WITH PARTIALLY TITLE 2 DISORDERED ADOMET COMPND MOL_ID: 1; COMPND 2 MOLECULE: PYRUVATE FORMATE-LYASE 1-ACTIVATING ENZYME; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PFL-ACTIVATING ENZYME, FORMATE-C-ACETYLTRANSFERASE- COMPND 5 ACTIVATING ENZYME 1; COMPND 6 EC: 1.97.1.4; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: PFLA; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)PLYSS; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PCAL-N-AE KEYWDS ADOMET RADICAL, SAM RADICAL, ACTIVASE, GLYCYL RADICAL, CARBOHYDRATE KEYWDS 2 METABOLISM, GLUCOSE METABOLISM, IRON, IRON-SULFUR, METAL-BINDING, KEYWDS 3 OXIDOREDUCTASE, S-ADENOSYL-L-METHIONINE EXPDTA X-RAY DIFFRACTION AUTHOR J.L.VEY,C.L.DRENNAN REVDAT 7 21-FEB-24 3C8F 1 REMARK REVDAT 6 25-OCT-17 3C8F 1 REMARK REVDAT 5 14-MAY-14 3C8F 1 HETATM VERSN REVDAT 4 21-JUL-09 3C8F 1 REMARK REVDAT 3 24-FEB-09 3C8F 1 VERSN REVDAT 2 04-NOV-08 3C8F 1 JRNL REVDAT 1 28-OCT-08 3C8F 0 JRNL AUTH J.L.VEY,J.YANG,M.LI,W.E.BRODERICK,J.B.BRODERICK,C.L.DRENNAN JRNL TITL STRUCTURAL BASIS FOR GLYCYL RADICAL FORMATION BY PYRUVATE JRNL TITL 2 FORMATE-LYASE ACTIVATING ENZYME. JRNL REF PROC.NATL.ACAD.SCI.USA V. 105 16137 2008 JRNL REFN ISSN 0027-8424 JRNL PMID 18852451 JRNL DOI 10.1073/PNAS.0806640105 REMARK 2 REMARK 2 RESOLUTION. 2.25 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.90 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) (%) : 93.1 REMARK 3 NUMBER OF REFLECTIONS : 10618 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) : 0.224 REMARK 3 FREE R VALUE : 0.298 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1010 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.009 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) : 2.25 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.39 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 85.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1428 REMARK 3 BIN R VALUE (WORKING SET) : 0.2750 REMARK 3 BIN FREE R VALUE : 0.3670 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 147 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.030 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1928 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 29 REMARK 3 SOLVENT ATOMS : 60 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 36.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 57.99 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.46100 REMARK 3 B22 (A**2) : 1.46100 REMARK 3 B33 (A**2) : -2.92100 REMARK 3 B12 (A**2) : -2.43800 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) : 0.30 REMARK 3 ESD FROM SIGMAA (A) : 0.24 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) : 0.42 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.31 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.800 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.650 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.441 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.397 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.095 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.205 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 55.31 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 : CNS_TOPPAR:PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : LIGANDS3.PARAM REMARK 3 PARAMETER FILE 3 : CNS_TOPPAR:WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3C8F COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-FEB-08. REMARK 100 THE DEPOSITION ID IS D_1000046471. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-JUN-05; 04-JUN-05 REMARK 200 TEMPERATURE (KELVIN) : 100; 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; Y REMARK 200 RADIATION SOURCE : SSRL; SSRL REMARK 200 BEAMLINE : BL9-1; BL9-1 REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M REMARK 200 WAVELENGTH OR RANGE (A) : 1.73542, 1.74166, 1.37755; REMARK 200 1.0000 REMARK 200 MONOCHROMATOR : SIDE-SCATTERING CUBEROOT I-BEAM REMARK 200 BENT SINGLE CRYSTAL, ASYMETRIC REMARK 200 CUT 12.2 DEGS; SIDE-SCATTERING REMARK 200 CUBEROOT I-BEAM BENT SINGLE REMARK 200 CRYSTAL, ASYMETRIC CUT 12.2 DEGS REMARK 200 OPTICS : INTER-FRAME TOTAL DEAD TIME: 3S; REMARK 200 INTER-FRAME TOTAL DEAD TIME: 3S REMARK 200 REMARK 200 DETECTOR TYPE : CCD; CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315; ADSC QUANTUM REMARK 200 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK, HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11200 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.250 REMARK 200 RESOLUTION RANGE LOW (A) : 30.900 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.2 REMARK 200 DATA REDUNDANCY : 7.300 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.09300 REMARK 200 FOR THE DATA SET : 21.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.25 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.33 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.8 REMARK 200 DATA REDUNDANCY IN SHELL : 6.60 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.44000 REMARK 200 FOR SHELL : 4.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD; SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: SOLVE 2.05, RESOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.47 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M TRIS, 25% PEG 3350, 0.11 MM REMARK 280 OCTAETHYLENE GLYCOL MONODODECYL ETHER, PH 8.5, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 39.15533 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 78.31067 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 78.31067 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 39.15533 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 VAL A 60 CB CG1 CG2 REMARK 470 ARG A 111 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 162 CG CD CE NZ REMARK 470 ARG A 188 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 194 CG CD OE1 OE2 REMARK 470 GLU A 197 CG CD OE1 OE2 REMARK 470 MET A 212 CG SD CE REMARK 470 TYR A 216 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ASP A 219 CG OD1 OD2 REMARK 470 LYS A 225 CG CD CE NZ 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 GLY A 78 N - CA - C ANGL. DEV. = -20.0 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 SER A 8 -178.34 178.23 REMARK 500 VAL A 15 -33.81 -28.03 REMARK 500 ARG A 32 47.42 -143.27 REMARK 500 CYS A 36 129.09 -36.37 REMARK 500 SER A 69 -94.80 -0.53 REMARK 500 SER A 76 -145.43 -130.30 REMARK 500 TYR A 112 66.71 -103.42 REMARK 500 GLN A 132 123.60 178.17 REMARK 500 TRP A 173 -52.92 -124.45 REMARK 500 LYS A 195 143.34 -178.15 REMARK 500 LYS A 217 20.08 -74.81 REMARK 500 PRO A 223 162.59 -47.19 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 500 FE4 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 29 SG REMARK 620 2 SF4 A 500 S1 116.0 REMARK 620 3 SF4 A 500 S2 117.2 102.7 REMARK 620 4 SF4 A 500 S3 107.2 104.7 108.2 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 500 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 33 SG REMARK 620 2 SF4 A 500 S2 112.1 REMARK 620 3 SF4 A 500 S3 113.9 107.7 REMARK 620 4 SF4 A 500 S4 109.4 109.7 103.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 500 FE3 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 36 SG REMARK 620 2 SF4 A 500 S1 119.8 REMARK 620 3 SF4 A 500 S2 106.9 102.8 REMARK 620 4 SF4 A 500 S4 110.9 106.9 108.9 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 500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MT2 A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PGE A 502 DBREF 3C8F A 1 245 UNP P0A9N4 PFLA_ECOLI 2 246 SEQRES 1 A 245 SER VAL ILE GLY ARG ILE HIS SER PHE GLU SER CYS GLY SEQRES 2 A 245 THR VAL ASP GLY PRO GLY ILE ARG PHE ILE THR PHE PHE SEQRES 3 A 245 GLN GLY CYS LEU MET ARG CYS LEU TYR CYS HIS ASN ARG SEQRES 4 A 245 ASP THR TRP ASP THR HIS GLY GLY LYS GLU VAL THR VAL SEQRES 5 A 245 GLU ASP LEU MET LYS GLU VAL VAL THR TYR ARG HIS PHE SEQRES 6 A 245 MET ASN ALA SER GLY GLY GLY VAL THR ALA SER GLY GLY SEQRES 7 A 245 GLU ALA ILE LEU GLN ALA GLU PHE VAL ARG ASP TRP PHE SEQRES 8 A 245 ARG ALA CYS LYS LYS GLU GLY ILE HIS THR CYS LEU ASP SEQRES 9 A 245 THR ASN GLY PHE VAL ARG ARG TYR ASP PRO VAL ILE ASP SEQRES 10 A 245 GLU LEU LEU GLU VAL THR ASP LEU VAL MET LEU ASP LEU SEQRES 11 A 245 LYS GLN MET ASN ASP GLU ILE HIS GLN ASN LEU VAL GLY SEQRES 12 A 245 VAL SER ASN HIS ARG THR LEU GLU PHE ALA LYS TYR LEU SEQRES 13 A 245 ALA ASN LYS ASN VAL LYS VAL TRP ILE ARG TYR VAL VAL SEQRES 14 A 245 VAL PRO GLY TRP SER ASP ASP ASP ASP SER ALA HIS ARG SEQRES 15 A 245 LEU GLY GLU PHE THR ARG ASP MET GLY ASN VAL GLU LYS SEQRES 16 A 245 ILE GLU LEU LEU PRO TYR HIS GLU LEU GLY LYS HIS LYS SEQRES 17 A 245 TRP VAL ALA MET GLY GLU GLU TYR LYS LEU ASP GLY VAL SEQRES 18 A 245 LYS PRO PRO LYS LYS GLU THR MET GLU ARG VAL LYS GLY SEQRES 19 A 245 ILE LEU GLU GLN TYR GLY HIS LYS VAL MET PHE HET SF4 A 500 8 HET MT2 A 501 11 HET PGE A 502 10 HETNAM SF4 IRON/SULFUR CLUSTER HETNAM MT2 [(3S)-3-AMINO-3-CARBOXYPROPYL](ETHYL)METHYLSULFONIUM HETNAM PGE TRIETHYLENE GLYCOL HETSYN MT2 S-ETHYL-L-METHIONINE FORMUL 2 SF4 FE4 S4 FORMUL 3 MT2 C7 H16 N O2 S 1+ FORMUL 4 PGE C6 H14 O4 FORMUL 5 HOH *60(H2 O) HELIX 1 1 ASN A 38 TRP A 42 5 5 HELIX 2 2 THR A 51 VAL A 60 1 10 HELIX 3 3 TYR A 62 ASN A 67 1 6 HELIX 4 4 GLU A 79 LEU A 82 5 4 HELIX 5 5 GLN A 83 LYS A 96 1 14 HELIX 6 6 ASP A 113 VAL A 122 1 10 HELIX 7 7 ASN A 134 GLY A 143 1 10 HELIX 8 8 ASN A 146 ASN A 160 1 15 HELIX 9 9 ASP A 176 GLY A 191 1 16 HELIX 10 10 GLY A 205 MET A 212 1 8 HELIX 11 11 LYS A 225 GLN A 238 1 14 SHEET 1 A 8 LYS A 48 VAL A 50 0 SHEET 2 A 8 GLY A 4 GLY A 13 -1 N ILE A 6 O LYS A 48 SHEET 3 A 8 ILE A 20 PHE A 26 -1 O ILE A 23 N GLU A 10 SHEET 4 A 8 GLY A 72 GLY A 77 1 O SER A 76 N THR A 24 SHEET 5 A 8 THR A 101 THR A 105 1 O ASP A 104 N ALA A 75 SHEET 6 A 8 LEU A 125 ASP A 129 1 O LEU A 125 N LEU A 103 SHEET 7 A 8 VAL A 163 VAL A 169 1 O TRP A 164 N LEU A 128 SHEET 8 A 8 VAL A 193 PRO A 200 1 O LEU A 199 N VAL A 169 LINK SG CYS A 29 FE4 SF4 A 500 1555 1555 2.29 LINK SG CYS A 33 FE1 SF4 A 500 1555 1555 2.31 LINK SG CYS A 36 FE3 SF4 A 500 1555 1555 2.29 SITE 1 AC1 9 CYS A 29 MET A 31 CYS A 33 CYS A 36 SITE 2 AC1 9 THR A 41 TRP A 42 GLY A 78 ASN A 106 SITE 3 AC1 9 LYS A 131 SITE 1 AC2 7 HIS A 37 GLY A 77 GLY A 78 ASP A 104 SITE 2 AC2 7 ASN A 106 ASP A 129 ARG A 166 SITE 1 AC3 6 ARG A 21 SER A 69 HIS A 100 LEU A 125 SITE 2 AC3 6 MET A 127 TRP A 164 CRYST1 58.051 58.051 117.466 90.00 90.00 120.00 P 31 2 1 6 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 0.017226 0.009946 0.000000 0.00000 SCALE2 0.000000 0.019891 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008513 0.00000