HEADER OXIDOREDUCTASE 13-DEC-12 4IEW TITLE CYS-ONLY BOUND CYSTEINE DIOXYGENASE AT PH 9.0 IN THE PRESENCE OF CYS COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYSTEINE DIOXYGENASE TYPE 1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CYSTEINE DIOXYGENASE TYPE I, CDO, CDO-I; COMPND 5 EC: 1.13.11.20; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: BROWN RAT,RAT,RATS; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: CDO1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CUPIN FOLD, CATALYZES OXIDATION, CYSTEINE TO CYSTEINE SULFINATE, C93- KEYWDS 2 Y157 CROSSLINK, CYTOSOL, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR C.M.DRIGGERS,R.B.COOLEY,P.A.KARPLUS REVDAT 3 11-SEP-13 4IEW 1 JRNL REVDAT 2 21-AUG-13 4IEW 1 JRNL REVDAT 1 26-JUN-13 4IEW 0 JRNL AUTH C.M.DRIGGERS,R.B.COOLEY,B.SANKARAN,L.L.HIRSCHBERGER, JRNL AUTH 2 M.H.STIPANUK,P.A.KARPLUS JRNL TITL CYSTEINE DIOXYGENASE STRUCTURES FROM PH4 TO 9: CONSISTENT JRNL TITL 2 CYS-PERSULFENATE FORMATION AT INTERMEDIATE PH AND A JRNL TITL 3 CYS-BOUND ENZYME AT HIGHER PH. JRNL REF J.MOL.BIOL. V. 425 3121 2013 JRNL REFN ISSN 0022-2836 JRNL PMID 23747973 JRNL DOI 10.1016/J.JMB.2013.05.028 REMARK 2 REMARK 2 RESOLUTION. 1.45 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.8_1069) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VICENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE- REMARK 3 : KUNSTLEVE,LI-WEI HUNG,ROBERT IMMORMINO, REMARK 3 : TOM IOERGER,AIRLIE MCCOY,ERIK MCKEE,NIGEL REMARK 3 : MORIARTY,REETAL PAI,RANDY READ,JANE REMARK 3 : RICHARDSON,DAVID RICHARDSON,TOD ROMO,JIM REMARK 3 : SACCHETTINI,NICHOLAS SAUTER,JACOB SMITH, REMARK 3 : LAURENT STORONI,TOM TERWILLIGER,PETER REMARK 3 : ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 33.91 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 87.9 REMARK 3 NUMBER OF REFLECTIONS : 32889 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.154 REMARK 3 R VALUE (WORKING SET) : 0.149 REMARK 3 FREE R VALUE : 0.199 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.740 REMARK 3 FREE R VALUE TEST SET COUNT : 3202 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 33.9162 - 4.1213 1.00 1633 178 0.1539 0.1661 REMARK 3 2 4.1213 - 3.2720 0.77 1192 126 0.1339 0.1489 REMARK 3 3 3.2720 - 2.8587 1.00 1499 169 0.1431 0.1721 REMARK 3 4 2.8587 - 2.5974 0.84 1244 140 0.1454 0.2248 REMARK 3 5 2.5974 - 2.4113 1.00 1461 173 0.1409 0.2017 REMARK 3 6 2.4113 - 2.2691 1.00 1510 136 0.1355 0.1894 REMARK 3 7 2.2691 - 2.1555 0.75 1109 106 0.1251 0.1969 REMARK 3 8 2.1555 - 2.0617 0.89 1294 139 0.1262 0.1903 REMARK 3 9 2.0617 - 1.9823 0.89 1276 146 0.1245 0.2047 REMARK 3 10 1.9823 - 1.9139 0.69 1019 112 0.1362 0.2189 REMARK 3 11 1.9139 - 1.8541 0.69 999 108 0.1705 0.2909 REMARK 3 12 1.8541 - 1.8011 1.00 1478 137 0.1406 0.2556 REMARK 3 13 1.8011 - 1.7537 1.00 1449 160 0.1362 0.2704 REMARK 3 14 1.7537 - 1.7109 0.91 1323 134 0.1526 0.2501 REMARK 3 15 1.7109 - 1.6720 0.86 1237 147 0.1613 0.2541 REMARK 3 16 1.6720 - 1.6364 1.00 1434 166 0.1642 0.2383 REMARK 3 17 1.6364 - 1.6037 1.00 1455 144 0.1792 0.2397 REMARK 3 18 1.6037 - 1.5734 1.00 1416 171 0.1931 0.2847 REMARK 3 19 1.5734 - 1.5453 1.00 1424 177 0.2297 0.3165 REMARK 3 20 1.5453 - 1.5191 0.92 1310 135 0.2741 0.3680 REMARK 3 21 1.5191 - 1.4946 0.66 965 101 0.3190 0.3571 REMARK 3 22 1.4946 - 1.4716 0.88 1259 123 0.3169 0.3714 REMARK 3 23 1.4716 - 1.4500 0.48 701 74 0.3524 0.3946 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) : 0.200 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.190 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 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 : 0.014 1590 REMARK 3 ANGLE : 1.296 2159 REMARK 3 CHIRALITY : 0.083 230 REMARK 3 PLANARITY : 0.005 279 REMARK 3 DIHEDRAL : 14.359 594 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 4IEW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-JAN-13. REMARK 100 THE RCSB ID CODE IS RCSB076665. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JUN-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.2.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.976 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL, SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 33886 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.450 REMARK 200 RESOLUTION RANGE LOW (A) : 34.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 88.2 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX (PHENIX.REFINE: 1.8_1069) REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.13 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PURIFIED ENZYME WAS CONCENTRATED TO ~8 REMARK 280 MG/ML AND THEN ADDED INTO A CRYSTALLIZATION SCREEN CONTAINING 0.1 REMARK 280 M TRI-SODIUM CITRATE PH=5.6, 24-34% PEG 4K, AND 0.1-0.25 M REMARK 280 AMMONIUM ACETATE. 1.5L OF PROTEIN SOLUTION WAS ADDED TO EACH WELL REMARK 280 AND MIXED WITH AN EQUIVALENT VOLUME OF RESERVOIR SOLUTION., PH REMARK 280 6.2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 61.20000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 28.80000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 28.80000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 91.80000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 28.80000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 28.80000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 30.60000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 28.80000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 28.80000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 91.80000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 28.80000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 28.80000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 30.60000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 61.20000 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 837 LIES ON A SPECIAL POSITION. 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 ARG A 3 REMARK 465 THR A 4 REMARK 465 PHE A 191 REMARK 465 THR A 192 REMARK 465 THR A 193 REMARK 465 SER A 194 REMARK 465 GLY A 195 REMARK 465 SER A 196 REMARK 465 LEU A 197 REMARK 465 GLU A 198 REMARK 465 ASN A 199 REMARK 465 ASN A 200 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 ASN A 128 -7.67 74.11 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 FE2 A 501 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 86 NE2 REMARK 620 2 HIS A 140 NE2 96.3 REMARK 620 3 HIS A 88 NE2 100.1 90.0 REMARK 620 4 CYS A 502 N 93.1 170.5 89.7 REMARK 620 5 CYS A 502 SG 107.7 92.3 151.6 83.5 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE2 A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYS A 502 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4IEO RELATED DB: PDB REMARK 900 RELATED ID: 4IEP RELATED DB: PDB REMARK 900 RELATED ID: 4IEQ RELATED DB: PDB REMARK 900 RELATED ID: 4IER RELATED DB: PDB REMARK 900 RELATED ID: 4IES RELATED DB: PDB REMARK 900 RELATED ID: 4IET RELATED DB: PDB REMARK 900 RELATED ID: 4IEU RELATED DB: PDB REMARK 900 RELATED ID: 4IEV RELATED DB: PDB REMARK 900 RELATED ID: 4IEX RELATED DB: PDB REMARK 900 RELATED ID: 4IEY RELATED DB: PDB REMARK 900 RELATED ID: 4IEZ RELATED DB: PDB REMARK 900 RELATED ID: 4IF0 RELATED DB: PDB REMARK 900 RELATED ID: 4IF1 RELATED DB: PDB DBREF 4IEW A 1 200 UNP P21816 CDO1_RAT 1 200 SEQRES 1 A 200 MET GLU ARG THR GLU LEU LEU LYS PRO ARG THR LEU ALA SEQRES 2 A 200 ASP LEU ILE ARG ILE LEU HIS GLU LEU PHE ALA GLY ASP SEQRES 3 A 200 GLU VAL ASN VAL GLU GLU VAL GLN ALA VAL LEU GLU ALA SEQRES 4 A 200 TYR GLU SER ASN PRO ALA GLU TRP ALA LEU TYR ALA LYS SEQRES 5 A 200 PHE ASP GLN TYR ARG TYR THR ARG ASN LEU VAL ASP GLN SEQRES 6 A 200 GLY ASN GLY LYS PHE ASN LEU MET ILE LEU CYS TRP GLY SEQRES 7 A 200 GLU GLY HIS GLY SER SER ILE HIS ASP HIS THR ASP SER SEQRES 8 A 200 HIS CYS PHE LEU LYS LEU LEU GLN GLY ASN LEU LYS GLU SEQRES 9 A 200 THR LEU PHE ASP TRP PRO ASP LYS LYS SER ASN GLU MET SEQRES 10 A 200 ILE LYS LYS SER GLU ARG THR LEU ARG GLU ASN GLN CYS SEQRES 11 A 200 ALA TYR ILE ASN ASP SER ILE GLY LEU HIS ARG VAL GLU SEQRES 12 A 200 ASN VAL SER HIS THR GLU PRO ALA VAL SER LEU HIS LEU SEQRES 13 A 200 TYR SER PRO PRO PHE ASP THR CYS HIS ALA PHE ASP GLN SEQRES 14 A 200 ARG THR GLY HIS LYS ASN LYS VAL THR MET THR PHE HIS SEQRES 15 A 200 SER LYS PHE GLY ILE ARG THR PRO PHE THR THR SER GLY SEQRES 16 A 200 SER LEU GLU ASN ASN HET FE2 A 501 1 HET CYS A 502 7 HETNAM FE2 FE (II) ION HETNAM CYS CYSTEINE FORMUL 2 FE2 FE 2+ FORMUL 3 CYS C3 H7 N O2 S FORMUL 4 HOH *256(H2 O) HELIX 1 1 THR A 11 PHE A 23 1 13 HELIX 2 2 ASN A 29 TYR A 40 1 12 HELIX 3 3 ASN A 43 ALA A 48 1 6 HELIX 4 4 LEU A 49 ALA A 51 5 3 SHEET 1 A 7 CYS A 130 ILE A 133 0 SHEET 2 A 7 HIS A 92 GLN A 99 -1 N LEU A 95 O ALA A 131 SHEET 3 A 7 ALA A 151 SER A 158 -1 O LEU A 154 N LYS A 96 SHEET 4 A 7 ASN A 71 TRP A 77 -1 N MET A 73 O HIS A 155 SHEET 5 A 7 THR A 59 ASP A 64 -1 N ASN A 61 O ILE A 74 SHEET 6 A 7 SER A 183 LYS A 184 1 O SER A 183 N LEU A 62 SHEET 7 A 7 ILE A 187 ARG A 188 -1 O ILE A 187 N LYS A 184 SHEET 1 B 3 ILE A 85 HIS A 86 0 SHEET 2 B 3 THR A 163 PHE A 167 -1 O PHE A 167 N ILE A 85 SHEET 3 B 3 LYS A 174 THR A 178 -1 O VAL A 177 N CYS A 164 SHEET 1 C 3 LYS A 119 LEU A 125 0 SHEET 2 C 3 LEU A 102 PHE A 107 -1 N LEU A 102 O LEU A 125 SHEET 3 C 3 LEU A 139 GLU A 143 -1 O GLU A 143 N LYS A 103 LINK SG CYS A 93 CE2 TYR A 157 1555 1555 1.79 LINK NE2 HIS A 86 FE FE2 A 501 1555 1555 1.98 LINK NE2 HIS A 140 FE FE2 A 501 1555 1555 2.12 LINK NE2 HIS A 88 FE FE2 A 501 1555 1555 2.19 LINK FE FE2 A 501 N CYS A 502 1555 1555 2.24 LINK FE FE2 A 501 SG CYS A 502 1555 1555 2.35 CISPEP 1 SER A 158 PRO A 159 0 -4.47 SITE 1 AC1 4 HIS A 86 HIS A 88 HIS A 140 CYS A 502 SITE 1 AC2 11 TYR A 58 ARG A 60 LEU A 75 HIS A 86 SITE 2 AC2 11 HIS A 88 HIS A 140 VAL A 142 HIS A 155 SITE 3 AC2 11 TYR A 157 MET A 179 FE2 A 501 CRYST1 57.600 57.600 122.400 90.00 90.00 90.00 P 43 21 2 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 0.017361 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017361 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008170 0.00000