HEADER OXIDOREDUCTASE 28-MAR-22 7ZCL TITLE UNSPECIFIC PEROXYGENASE FROM COLLARIELLA VIRESCENS COMPND MOL_ID: 1; COMPND 2 MOLECULE: COLLARIELLA VIRESCENS UPO; COMPND 3 CHAIN: A; COMPND 4 EC: 1.11.2.1; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: COLLARIELLA VIRESCENS UPO; COMPND 8 CHAIN: B; COMPND 9 EC: 1.11.2.1; COMPND 10 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: COLLARIELLA VIRESCENS; SOURCE 3 ORGANISM_TAXID: 1934374; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 MOL_ID: 2; SOURCE 7 ORGANISM_SCIENTIFIC: COLLARIELLA VIRESCENS; SOURCE 8 ORGANISM_TAXID: 1934374; SOURCE 9 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 10 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS UNSPECIFIC PEROXYGENASES (UPO), COLLARIELLA VIRESCENS, SHORT UPO KEYWDS 2 FAMILY, MOLECULAR STRUCTURE, FATTY ACID EPOXIDATION, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR E.SANTILLANA,A.ROMERO REVDAT 3 31-JAN-24 7ZCL 1 REMARK REVDAT 2 08-JUN-22 7ZCL 1 JRNL REVDAT 1 18-MAY-22 7ZCL 0 JRNL AUTH D.LINDE,E.SANTILLANA,E.FERNANDEZ-FUEYO,A.GONZALEZ-BENJUMEA, JRNL AUTH 2 J.CARRO,A.GUTIERREZ,A.T.MARTINEZ,A.ROMERO JRNL TITL STRUCTURAL CHARACTERIZATION OF TWO SHORT UNSPECIFIC JRNL TITL 2 PEROXYGENASES: TWO DIFFERENT DIMERIC ARRANGEMENTS. JRNL REF ANTIOXIDANTS V. 11 2022 JRNL REFN ESSN 2076-3921 JRNL PMID 35624755 JRNL DOI 10.3390/ANTIOX11050891 REMARK 2 REMARK 2 RESOLUTION. 1.95 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.20.1_4487 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) : 1.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 68.47 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 35087 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.190 REMARK 3 R VALUE (WORKING SET) : 0.188 REMARK 3 FREE R VALUE : 0.242 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1754 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 68.4700 - 4.5700 1.00 2735 162 0.1790 0.2185 REMARK 3 2 4.5700 - 3.6300 1.00 2611 154 0.1604 0.1981 REMARK 3 3 3.6300 - 3.1700 1.00 2603 127 0.1820 0.2282 REMARK 3 4 3.1700 - 2.8800 1.00 2566 119 0.1931 0.2569 REMARK 3 5 2.8800 - 2.6700 1.00 2560 147 0.1876 0.2559 REMARK 3 6 2.6700 - 2.5200 1.00 2541 130 0.1811 0.2555 REMARK 3 7 2.5200 - 2.3900 1.00 2552 131 0.1761 0.2623 REMARK 3 8 2.3900 - 2.2900 1.00 2566 104 0.1781 0.2252 REMARK 3 9 2.2900 - 2.2000 1.00 2531 135 0.1827 0.2397 REMARK 3 10 2.2000 - 2.1200 1.00 2486 140 0.1908 0.2698 REMARK 3 11 2.1200 - 2.0600 1.00 2552 138 0.2157 0.2852 REMARK 3 12 2.0600 - 2.0000 1.00 2485 154 0.2542 0.3175 REMARK 3 13 2.0000 - 1.9500 1.00 2545 113 0.3138 0.3625 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 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) : 0.216 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.309 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 22.28 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.54 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 : 0.008 3857 REMARK 3 ANGLE : 1.032 5256 REMARK 3 CHIRALITY : 0.060 549 REMARK 3 PLANARITY : 0.009 670 REMARK 3 DIHEDRAL : 9.907 509 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 7ZCL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 29-MAR-22. REMARK 100 THE DEPOSITION ID IS D_1292121925. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-OCT-20 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : 8.5 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) : 0.97924 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 : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 35859 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.950 REMARK 200 RESOLUTION RANGE LOW (A) : 70.100 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 8.700 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.95 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.06 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 8.40 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 2YOR REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.20 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.24 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30% PEG 400, 0.1 M TRIS, PH 8.5, 0.2 M REMARK 280 SODIUM CITRATE, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 39.23800 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 21.11350 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 70.06550 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 21.11350 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 39.23800 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 70.06550 REMARK 290 SMTRY3 4 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 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 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 GLU B 141 CG CD OE1 OE2 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 OE2 GLU B 124 O HOH B 401 1.68 REMARK 500 N ALA B 1 O HOH B 402 2.16 REMARK 500 O HOH A 458 O HOH A 468 2.17 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 LEU A 87 -76.29 -90.24 REMARK 500 TYR A 151 68.84 -150.65 REMARK 500 PRO A 193 46.83 -74.71 REMARK 500 LEU B 87 -65.56 -91.04 REMARK 500 PRO B 193 46.82 -75.33 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 559 DISTANCE = 6.05 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 HEC A 301 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 19 SG REMARK 620 2 HEC A 301 NA 97.4 REMARK 620 3 HEC A 301 NB 95.4 86.5 REMARK 620 4 HEC A 301 NC 91.9 170.7 91.7 REMARK 620 5 HEC A 301 ND 95.7 92.5 168.9 87.5 REMARK 620 6 HOH A 460 O 177.7 83.9 86.6 86.8 82.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 302 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 89 OE2 REMARK 620 2 HIS A 90 O 79.9 REMARK 620 3 SER A 93 OG 171.0 92.8 REMARK 620 4 HEC A 301 O1D 97.1 91.0 88.3 REMARK 620 5 HOH A 433 O 82.7 89.4 92.0 179.5 REMARK 620 6 HOH A 434 O 88.7 168.4 98.7 88.1 91.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEC B 302 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 19 SG REMARK 620 2 HEC B 302 NA 95.8 REMARK 620 3 HEC B 302 NB 94.2 88.3 REMARK 620 4 HEC B 302 NC 93.8 170.2 88.9 REMARK 620 5 HEC B 302 ND 96.5 92.2 169.2 88.9 REMARK 620 6 HOH B 481 O 170.9 92.8 89.2 77.8 80.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 301 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU B 89 OE2 REMARK 620 2 HIS B 90 O 82.6 REMARK 620 3 SER B 93 OG 172.8 95.5 REMARK 620 4 HEC B 302 O1D 99.8 90.3 87.1 REMARK 620 5 HOH B 454 O 91.7 173.4 89.8 94.0 REMARK 620 6 HOH B 470 O 81.4 85.4 91.5 175.3 90.5 REMARK 620 N 1 2 3 4 5 DBREF 7ZCL A 2 227 PDB 7ZCL 7ZCL 2 227 DBREF 7ZCL B 1 227 PDB 7ZCL 7ZCL 1 227 SEQRES 1 A 226 LEU ASP PHE SER LYS TRP LYS THR ARG GLN PRO GLY GLU SEQRES 2 A 226 PHE ARG ALA PRO CYS PRO ALA MET ASN SER LEU ALA ASN SEQRES 3 A 226 HIS GLY PHE ILE PRO ARG ASP GLY ARG ASN ILE THR VAL SEQRES 4 A 226 ALA MET LEU VAL PRO VAL LEU GLN GLU VAL PHE HIS LEU SEQRES 5 A 226 SER PRO GLU LEU ALA GLN THR ILE SER THR LEU GLY LEU SEQRES 6 A 226 PHE THR ALA GLN ASP PRO SER LYS GLY VAL PHE THR LEU SEQRES 7 A 226 ASP ASP LEU ASN ARG HIS ASN LEU PHE GLU HIS ASP ALA SEQRES 8 A 226 SER LEU SER ARG GLU ASP TYR TYR PHE HIS LYS ASP ALA SEQRES 9 A 226 SER THR PHE ARG PRO GLU VAL PHE LYS LYS PHE MET SER SEQRES 10 A 226 HIS PHE LYS GLY LYS GLU TYR VAL THR LEU GLU ASP ALA SEQRES 11 A 226 ALA SER ALA ARG TYR ALA MET VAL GLN GLU SER ARG LYS SEQRES 12 A 226 LYS ASN PRO THR PHE THR TYR THR VAL GLN GLN ARG ILE SEQRES 13 A 226 THR SER TYR GLY GLU THR ILE LYS TYR PHE ARG THR ILE SEQRES 14 A 226 VAL GLU PRO ALA THR GLY LYS CYS PRO VAL ALA TRP ILE SEQRES 15 A 226 LYS ILE LEU PHE GLU GLN GLU ARG LEU PRO TYR ASN GLU SEQRES 16 A 226 GLY TRP ARG PRO PRO LYS ALA GLU LEU SER GLY PHE SER SEQRES 17 A 226 MET ALA SER ASP VAL LEU GLU LEU ALA LEU VAL THR PRO SEQRES 18 A 226 GLU LYS LEU ILE ASP SEQRES 1 B 227 ALA LEU ASP PHE SER LYS TRP LYS THR ARG GLN PRO GLY SEQRES 2 B 227 GLU PHE ARG ALA PRO CYS PRO ALA MET ASN SER LEU ALA SEQRES 3 B 227 ASN HIS GLY PHE ILE PRO ARG ASP GLY ARG ASN ILE THR SEQRES 4 B 227 VAL ALA MET LEU VAL PRO VAL LEU GLN GLU VAL PHE HIS SEQRES 5 B 227 LEU SER PRO GLU LEU ALA GLN THR ILE SER THR LEU GLY SEQRES 6 B 227 LEU PHE THR ALA GLN ASP PRO SER LYS GLY VAL PHE THR SEQRES 7 B 227 LEU ASP ASP LEU ASN ARG HIS ASN LEU PHE GLU HIS ASP SEQRES 8 B 227 ALA SER LEU SER ARG GLU ASP TYR TYR PHE HIS LYS ASP SEQRES 9 B 227 ALA SER THR PHE ARG PRO GLU VAL PHE LYS LYS PHE MET SEQRES 10 B 227 SER HIS PHE LYS GLY LYS GLU TYR VAL THR LEU GLU ASP SEQRES 11 B 227 ALA ALA SER ALA ARG TYR ALA MET VAL GLN GLU SER ARG SEQRES 12 B 227 LYS LYS ASN PRO THR PHE THR TYR THR VAL GLN GLN ARG SEQRES 13 B 227 ILE THR SER TYR GLY GLU THR ILE LYS TYR PHE ARG THR SEQRES 14 B 227 ILE VAL GLU PRO ALA THR GLY LYS CYS PRO VAL ALA TRP SEQRES 15 B 227 ILE LYS ILE LEU PHE GLU GLN GLU ARG LEU PRO TYR ASN SEQRES 16 B 227 GLU GLY TRP ARG PRO PRO LYS ALA GLU LEU SER GLY PHE SEQRES 17 B 227 SER MET ALA SER ASP VAL LEU GLU LEU ALA LEU VAL THR SEQRES 18 B 227 PRO GLU LYS LEU ILE ASP HET HEC A 301 43 HET MG A 302 1 HET MG B 301 1 HET HEC B 302 43 HETNAM HEC HEME C HETNAM MG MAGNESIUM ION FORMUL 3 HEC 2(C34 H34 FE N4 O4) FORMUL 4 MG 2(MG 2+) FORMUL 7 HOH *268(H2 O) HELIX 1 AA1 ASP A 3 TRP A 7 5 5 HELIX 2 AA2 CYS A 19 HIS A 28 1 10 HELIX 3 AA3 THR A 39 HIS A 52 1 14 HELIX 4 AA4 SER A 54 PHE A 67 1 14 HELIX 5 AA5 ASP A 71 GLY A 75 5 5 HELIX 6 AA6 ASP A 80 ARG A 84 5 5 HELIX 7 AA7 ASP A 98 LYS A 103 1 6 HELIX 8 AA8 ARG A 109 SER A 118 1 10 HELIX 9 AA9 HIS A 119 LYS A 121 5 3 HELIX 10 AB1 THR A 127 ASN A 146 1 20 HELIX 11 AB2 THR A 152 ILE A 170 1 19 HELIX 12 AB3 VAL A 180 GLU A 190 1 11 HELIX 13 AB4 SER A 206 VAL A 220 1 15 HELIX 14 AB5 ASP B 3 TRP B 7 5 5 HELIX 15 AB6 CYS B 19 HIS B 28 1 10 HELIX 16 AB7 THR B 39 HIS B 52 1 14 HELIX 17 AB8 SER B 54 PHE B 67 1 14 HELIX 18 AB9 ASP B 71 GLY B 75 5 5 HELIX 19 AC1 ASP B 80 ARG B 84 5 5 HELIX 20 AC2 ASP B 98 LYS B 103 1 6 HELIX 21 AC3 ARG B 109 SER B 118 1 10 HELIX 22 AC4 HIS B 119 LYS B 121 5 3 HELIX 23 AC5 THR B 127 ASN B 146 1 20 HELIX 24 AC6 THR B 152 ILE B 170 1 19 HELIX 25 AC7 VAL B 180 GLU B 190 1 11 HELIX 26 AC8 PRO B 193 GLY B 197 5 5 HELIX 27 AC9 SER B 206 VAL B 220 1 15 SHEET 1 AA1 2 TYR A 125 VAL A 126 0 SHEET 2 AA1 2 CYS A 178 PRO A 179 -1 O CYS A 178 N VAL A 126 SHEET 1 AA2 2 TYR B 125 VAL B 126 0 SHEET 2 AA2 2 CYS B 178 PRO B 179 -1 O CYS B 178 N VAL B 126 LINK SG CYS A 19 FE HEC A 301 1555 1555 2.39 LINK OE2 GLU A 89 MG MG A 302 1555 1555 2.01 LINK O HIS A 90 MG MG A 302 1555 1555 2.13 LINK OG SER A 93 MG MG A 302 1555 1555 2.09 LINK O1D HEC A 301 MG MG A 302 1555 1555 2.06 LINK FE HEC A 301 O HOH A 460 1555 1555 2.10 LINK MG MG A 302 O HOH A 433 1555 1555 1.97 LINK MG MG A 302 O HOH A 434 1555 1555 2.10 LINK SG CYS B 19 FE HEC B 302 1555 1555 2.34 LINK OE2 GLU B 89 MG MG B 301 1555 1555 2.12 LINK O HIS B 90 MG MG B 301 1555 1555 2.04 LINK OG SER B 93 MG MG B 301 1555 1555 2.14 LINK MG MG B 301 O1D HEC B 302 1555 1555 2.08 LINK MG MG B 301 O HOH B 454 1555 1555 2.02 LINK MG MG B 301 O HOH B 470 1555 1555 2.25 LINK FE HEC B 302 O HOH B 481 1555 1555 2.63 CRYST1 78.476 140.131 42.227 90.00 90.00 90.00 P 21 21 21 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 0.012743 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007136 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023682 0.00000