HEADER TRANSCRIPTION 05-FEB-08 2ZHH TITLE CRYSTAL STRUCTURE OF SOXR COMPND MOL_ID: 1; COMPND 2 MOLECULE: REDOX-SENSITIVE TRANSCRIPTIONAL ACTIVATOR SOXR; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 83333; SOURCE 4 STRAIN: K12; SOURCE 5 GENE: SOXR; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET-3XA KEYWDS OXIDATIVE STRESS, MERR FAMILY, ACTIVATOR, DNA-BINDING, IRON, IRON- KEYWDS 2 SULFUR, METAL-BINDING, TRANSCRIPTION, TRANSCRIPTION REGULATION EXPDTA X-RAY DIFFRACTION AUTHOR S.WATANABE,A.KITA,K.KOBAYASHI,K.MIKI REVDAT 5 01-NOV-23 2ZHH 1 REMARK REVDAT 4 13-JUL-11 2ZHH 1 VERSN REVDAT 3 24-FEB-09 2ZHH 1 VERSN REVDAT 2 01-APR-08 2ZHH 1 JRNL REVDAT 1 25-MAR-08 2ZHH 0 JRNL AUTH S.WATANABE,A.KITA,K.KOBAYASHI,K.MIKI JRNL TITL CRYSTAL STRUCTURE OF THE [2FE-2S] OXIDATIVE-STRESS SENSOR JRNL TITL 2 SOXR BOUND TO DNA JRNL REF PROC.NATL.ACAD.SCI.USA V. 105 4121 2008 JRNL REFN ISSN 0027-8424 JRNL PMID 18334645 JRNL DOI 10.1073/PNAS.0709188105 REMARK 2 REMARK 2 RESOLUTION. 3.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 3.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 14.95 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1953849.160 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 91.4 REMARK 3 NUMBER OF REFLECTIONS : 4833 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) : 0.244 REMARK 3 FREE R VALUE : 0.276 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.800 REMARK 3 FREE R VALUE TEST SET COUNT : 278 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.017 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) : 3.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.40 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 67.20 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 555 REMARK 3 BIN R VALUE (WORKING SET) : 0.5100 REMARK 3 BIN FREE R VALUE : 0.5260 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 34 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.090 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 908 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 12 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 148.2 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 44.97000 REMARK 3 B22 (A**2) : 44.97000 REMARK 3 B33 (A**2) : -89.95000 REMARK 3 B12 (A**2) : 38.21000 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) : 0.60 REMARK 3 ESD FROM SIGMAA (A) : 1.23 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) : 0.72 REMARK 3 ESD FROM C-V SIGMAA (A) : 1.50 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 19.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.870 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) : 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 : FLAT MODEL REMARK 3 KSOL : 0.21 REMARK 3 BSOL : 58.72 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : FES.PARAM REMARK 3 PARAMETER FILE 5 : LI6.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER_REP.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : FES.TOP REMARK 3 TOPOLOGY FILE 5 : LI6.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2ZHH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 07-FEB-08. REMARK 100 THE DEPOSITION ID IS D_1000027977. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-FEB-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : AR-NW12A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 4881 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.200 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.8 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05400 REMARK 200 FOR THE DATA SET : 27.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.31 REMARK 200 COMPLETENESS FOR SHELL (%) : 58.8 REMARK 200 DATA REDUNDANCY IN SHELL : 5.40 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.19300 REMARK 200 FOR SHELL : 7.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 2ZHG REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 74.05 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.74 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M TRIS-HCL PH 8.6, 2% (W/V) PEG REMARK 280 10000, 30% (V/V) GLYCEROL, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 62 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 -X,-Y,Z REMARK 290 5555 Y,-X+Y,Z+2/3 REMARK 290 6555 X-Y,X,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 58.74533 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 29.37267 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 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 58.74533 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 29.37267 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: 4490 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12490 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -48.4 KCAL/MOL 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 BIOMT1 2 -1.000000 0.000000 0.000000 40.00300 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 -69.28723 REMARK 350 BIOMT3 2 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 MET A 1 REMARK 465 GLU A 2 REMARK 465 LYS A 3 REMARK 465 LYS A 4 REMARK 465 LEU A 5 REMARK 465 PRO A 6 REMARK 465 ARG A 7 REMARK 465 ILE A 8 REMARK 465 LYS A 9 REMARK 465 LEU A 80 REMARK 465 PRO A 81 REMARK 465 GLU A 82 REMARK 465 GLY A 83 REMARK 465 HIS A 84 REMARK 465 PRO A 135 REMARK 465 GLY A 136 REMARK 465 ASP A 137 REMARK 465 ARG A 138 REMARK 465 LEU A 139 REMARK 465 GLY A 140 REMARK 465 GLU A 141 REMARK 465 GLU A 142 REMARK 465 GLY A 143 REMARK 465 THR A 144 REMARK 465 GLY A 145 REMARK 465 ALA A 146 REMARK 465 ARG A 147 REMARK 465 LEU A 148 REMARK 465 LEU A 149 REMARK 465 GLU A 150 REMARK 465 ASP A 151 REMARK 465 GLU A 152 REMARK 465 GLN A 153 REMARK 465 ASN A 154 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 19 CG CD CE NZ REMARK 470 THR A 85 OG1 CG2 REMARK 470 LYS A 89 CG CD CE NZ REMARK 470 GLU A 90 CG CD OE1 OE2 REMARK 470 LYS A 92 CG CD CE NZ REMARK 470 ARG A 104 CG CD NE CZ NH1 NH2 REMARK 470 SER A 126 OG REMARK 470 SER A 128 OG REMARK 470 ASP A 129 CG OD1 OD2 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 ARG A 41 159.32 -45.62 REMARK 500 SER A 43 59.93 37.33 REMARK 500 ASN A 45 21.20 48.60 REMARK 500 GLN A 46 83.95 -61.96 REMARK 500 THR A 72 -15.29 -46.94 REMARK 500 LEU A 86 51.20 37.08 REMARK 500 GLN A 93 -84.28 -61.66 REMARK 500 CYS A 122 -92.93 -76.99 REMARK 500 CYS A 130 99.79 -67.88 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 FES A 501 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 119 SG REMARK 620 2 FES A 501 S1 122.1 REMARK 620 3 FES A 501 S2 105.8 103.8 REMARK 620 4 CYS A 130 SG 95.7 109.2 121.5 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FES A 501 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 122 SG REMARK 620 2 FES A 501 S1 113.2 REMARK 620 3 FES A 501 S2 114.8 103.8 REMARK 620 4 CYS A 124 SG 97.6 113.6 114.4 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 FES A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DTT A 901 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2ZHG RELATED DB: PDB REMARK 900 THE SAME PROTEIN COMPLEXED WITH DNA DBREF 2ZHH A 1 154 UNP P0ACS2 SOXR_ECOLI 1 154 SEQRES 1 A 154 MET GLU LYS LYS LEU PRO ARG ILE LYS ALA LEU LEU THR SEQRES 2 A 154 PRO GLY GLU VAL ALA LYS ARG SER GLY VAL ALA VAL SER SEQRES 3 A 154 ALA LEU HIS PHE TYR GLU SER LYS GLY LEU ILE THR SER SEQRES 4 A 154 ILE ARG ASN SER GLY ASN GLN ARG ARG TYR LYS ARG ASP SEQRES 5 A 154 VAL LEU ARG TYR VAL ALA ILE ILE LYS ILE ALA GLN ARG SEQRES 6 A 154 ILE GLY ILE PRO LEU ALA THR ILE GLY GLU ALA PHE GLY SEQRES 7 A 154 VAL LEU PRO GLU GLY HIS THR LEU SER ALA LYS GLU TRP SEQRES 8 A 154 LYS GLN LEU SER SER GLN TRP ARG GLU GLU LEU ASP ARG SEQRES 9 A 154 ARG ILE HIS THR LEU VAL ALA LEU ARG ASP GLU LEU ASP SEQRES 10 A 154 GLY CYS ILE GLY CYS GLY CYS LEU SER ARG SER ASP CYS SEQRES 11 A 154 PRO LEU ARG ASN PRO GLY ASP ARG LEU GLY GLU GLU GLY SEQRES 12 A 154 THR GLY ALA ARG LEU LEU GLU ASP GLU GLN ASN HET FES A 501 4 HET DTT A 901 8 HETNAM FES FE2/S2 (INORGANIC) CLUSTER HETNAM DTT 2,3-DIHYDROXY-1,4-DITHIOBUTANE HETSYN DTT 1,4-DITHIOTHREITOL FORMUL 2 FES FE2 S2 FORMUL 3 DTT C4 H10 O2 S2 HELIX 1 1 THR A 13 GLY A 22 1 10 HELIX 2 2 ALA A 24 LYS A 34 1 11 HELIX 3 3 ASP A 52 ILE A 66 1 15 HELIX 4 4 PRO A 69 PHE A 77 1 9 HELIX 5 5 SER A 87 GLY A 123 1 37 HELIX 6 6 CYS A 130 ASN A 134 5 5 SHEET 1 A 2 LEU A 11 LEU A 12 0 SHEET 2 A 2 TYR A 49 LYS A 50 -1 O TYR A 49 N LEU A 12 LINK SG CYS A 119 FE2 FES A 501 1555 1555 2.28 LINK SG CYS A 122 FE1 FES A 501 1555 1555 2.24 LINK SG CYS A 124 FE1 FES A 501 1555 1555 2.25 LINK SG CYS A 130 FE2 FES A 501 1555 1555 2.19 SITE 1 AC1 6 CYS A 119 CYS A 122 GLY A 123 CYS A 124 SITE 2 AC1 6 LEU A 125 CYS A 130 SITE 1 AC2 2 HIS A 107 ARG A 113 CRYST1 80.006 80.006 88.118 90.00 90.00 120.00 P 62 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 0.012499 0.007216 0.000000 0.00000 SCALE2 0.000000 0.014433 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011348 0.00000