HEADER OXIDOREDUCTASE 10-MAR-21 7M0H TITLE DHP B IN COMPLEX WITH 4-CHLOROPHENOL LIGAND COMPND MOL_ID: 1; COMPND 2 MOLECULE: DEHALOPEROXIDASE B; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: AMPHITRITE ORNATA; SOURCE 3 ORGANISM_TAXID: 129555; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI 'BL21-GOLD(DE3)PLYSS AG'; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 866768; SOURCE 6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PET16B KEYWDS PEROXIDASE, PEROXYGENASE, COMPLEX, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR L.M.CAREY,R.A.GHILADI REVDAT 3 13-MAR-24 7M0H 1 SOURCE REVDAT 2 18-OCT-23 7M0H 1 REMARK REVDAT 1 31-AUG-22 7M0H 0 JRNL AUTH L.M.CAREY,R.A.GHILADI JRNL TITL MECHANISTIC AND STRUCTURAL STUDIES OF 2,4-DIHALOPHENOL: JRNL TITL 2 BRIDGING THE FUNCTIONAL GAP BETWEEN REACTIVITY AND JRNL TITL 3 INHIBITION IN DEHALOPEROXIDASE JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.91 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.11.1_2575) 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.91 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.26 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 21591 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) : 0.185 REMARK 3 FREE R VALUE : 0.245 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.240 REMARK 3 FREE R VALUE TEST SET COUNT : 1994 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 37.2600 - 4.5974 0.98 1493 150 0.1761 0.2356 REMARK 3 2 4.5974 - 3.6501 0.99 1451 148 0.1541 0.2062 REMARK 3 3 3.6501 - 3.1890 1.00 1421 140 0.1836 0.2240 REMARK 3 4 3.1890 - 2.8975 1.00 1412 146 0.1970 0.2600 REMARK 3 5 2.8975 - 2.6899 1.00 1413 143 0.2037 0.2502 REMARK 3 6 2.6899 - 2.5313 1.00 1421 144 0.1954 0.2968 REMARK 3 7 2.5313 - 2.4046 1.00 1385 144 0.1840 0.2264 REMARK 3 8 2.4046 - 2.2999 1.00 1398 137 0.1899 0.2577 REMARK 3 9 2.2999 - 2.2114 1.00 1394 146 0.1959 0.2560 REMARK 3 10 2.2114 - 2.1351 1.00 1391 143 0.1881 0.2549 REMARK 3 11 2.1351 - 2.0684 1.00 1404 137 0.1839 0.2483 REMARK 3 12 2.0684 - 2.0092 1.00 1377 143 0.1918 0.2574 REMARK 3 13 2.0092 - 1.9563 1.00 1385 144 0.2033 0.2880 REMARK 3 14 1.9563 - 1.9100 0.91 1252 129 0.2251 0.2883 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) : 0.210 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.430 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 : 0.007 2331 REMARK 3 ANGLE : 0.916 3168 REMARK 3 CHIRALITY : 0.042 320 REMARK 3 PLANARITY : 0.004 405 REMARK 3 DIHEDRAL : 9.856 1823 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 7M0H COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-MAR-21. REMARK 100 THE DEPOSITION ID IS D_1000255429. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-AUG-15 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 22-BM REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21635 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.910 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 4.800 REMARK 200 R MERGE (I) : 0.08100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.92 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.95 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.6 REMARK 200 DATA REDUNDANCY IN SHELL : 4.70 REMARK 200 R MERGE FOR SHELL (I) : 0.56500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.900 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: 3IXF REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.03 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG4000, AMMONIUM SULFATE, SODIUM REMARK 280 CACODYLATE BUFFER, PH 6.4, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 277K 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 29.79000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 33.84950 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 33.69200 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 33.84950 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 29.79000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 33.69200 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 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: 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 ARG A 33 CD NE CZ NH1 NH2 REMARK 470 LYS A 36 CD CE NZ REMARK 470 LYS A 51 CE NZ REMARK 470 LYS A 87 CD CE NZ REMARK 470 GLU A 98 OE1 OE2 REMARK 470 GLN A 118 CD OE1 NE2 REMARK 470 LYS A 137 CG CD CE NZ REMARK 470 LYS B 36 CD CE NZ REMARK 470 LYS B 41 CE NZ REMARK 470 LYS B 87 CD CE NZ REMARK 470 LYS B 137 CG CD CE NZ 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 LYS A 32 0.27 -66.32 REMARK 500 SER A 114 49.68 -91.76 REMARK 500 ASP B 12 54.28 -147.73 REMARK 500 PHE B 35 55.33 -142.05 REMARK 500 SER B 114 38.35 -88.55 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 HEM A 201 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 89 NE2 REMARK 620 2 HEM A 201 NA 95.6 REMARK 620 3 HEM A 201 NB 90.5 87.1 REMARK 620 4 HEM A 201 NC 96.6 167.7 91.7 REMARK 620 5 HEM A 201 ND 103.5 90.3 165.9 87.9 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 201 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 89 NE2 REMARK 620 2 HEM B 201 NA 89.5 REMARK 620 3 HEM B 201 NB 96.0 88.2 REMARK 620 4 HEM B 201 NC 103.7 166.8 90.5 REMARK 620 5 HEM B 201 ND 97.4 88.5 166.2 89.7 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 HEM A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue 4CH A 203 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue HEM B 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 B 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue 4CH B 203 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 7M0F RELATED DB: PDB REMARK 900 DHP B IN COMPLEX WITH 4-BROMOPHENOL DBREF 7M0H A 1 137 UNP Q9NAV7 Q9NAV7_9ANNE 2 138 DBREF 7M0H B 1 137 UNP Q9NAV7 Q9NAV7_9ANNE 2 138 SEQRES 1 A 137 GLY PHE LYS GLN ASP ILE ALA THR LEU ARG GLY ASP LEU SEQRES 2 A 137 ARG THR TYR ALA GLN ASP ILE PHE LEU ALA PHE LEU ASN SEQRES 3 A 137 LYS TYR PRO ASP GLU LYS ARG ASN PHE LYS ASN TYR VAL SEQRES 4 A 137 GLY LYS SER ASP GLN GLU LEU LYS SER MET ALA LYS PHE SEQRES 5 A 137 GLY ASP HIS THR GLU LYS VAL PHE ASN LEU MET MET GLU SEQRES 6 A 137 VAL ALA ASP ARG ALA THR ASP CYS VAL PRO LEU ALA SER SEQRES 7 A 137 ASP ALA SER THR LEU VAL GLN MET LYS GLN HIS SER GLY SEQRES 8 A 137 LEU THR THR GLY ASN PHE GLU LYS LEU PHE VAL ALA LEU SEQRES 9 A 137 VAL GLU TYR MET ARG ALA SER GLY GLN SER PHE ASP SER SEQRES 10 A 137 GLN SER TRP ASP ARG PHE GLY LYS ASN LEU VAL SER ALA SEQRES 11 A 137 LEU SER SER ALA GLY MET LYS SEQRES 1 B 137 GLY PHE LYS GLN ASP ILE ALA THR LEU ARG GLY ASP LEU SEQRES 2 B 137 ARG THR TYR ALA GLN ASP ILE PHE LEU ALA PHE LEU ASN SEQRES 3 B 137 LYS TYR PRO ASP GLU LYS ARG ASN PHE LYS ASN TYR VAL SEQRES 4 B 137 GLY LYS SER ASP GLN GLU LEU LYS SER MET ALA LYS PHE SEQRES 5 B 137 GLY ASP HIS THR GLU LYS VAL PHE ASN LEU MET MET GLU SEQRES 6 B 137 VAL ALA ASP ARG ALA THR ASP CYS VAL PRO LEU ALA SER SEQRES 7 B 137 ASP ALA SER THR LEU VAL GLN MET LYS GLN HIS SER GLY SEQRES 8 B 137 LEU THR THR GLY ASN PHE GLU LYS LEU PHE VAL ALA LEU SEQRES 9 B 137 VAL GLU TYR MET ARG ALA SER GLY GLN SER PHE ASP SER SEQRES 10 B 137 GLN SER TRP ASP ARG PHE GLY LYS ASN LEU VAL SER ALA SEQRES 11 B 137 LEU SER SER ALA GLY MET LYS HET HEM A 201 43 HET SO4 A 202 5 HET 4CH A 203 8 HET HEM B 201 43 HET SO4 B 202 5 HET 4CH B 203 8 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM SO4 SULFATE ION HETNAM 4CH 4-CHLOROPHENOL HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 SO4 2(O4 S 2-) FORMUL 5 4CH 2(C6 H5 CL O) FORMUL 9 HOH *184(H2 O) HELIX 1 AA1 GLY A 1 ASP A 12 1 12 HELIX 2 AA2 ASP A 12 TYR A 28 1 17 HELIX 3 AA3 PRO A 29 VAL A 39 5 11 HELIX 4 AA4 SER A 42 SER A 48 1 7 HELIX 5 AA5 MET A 49 ALA A 70 1 22 HELIX 6 AA6 LEU A 76 MET A 86 1 11 HELIX 7 AA7 LYS A 87 SER A 90 5 4 HELIX 8 AA8 THR A 93 SER A 111 1 19 HELIX 9 AA9 ASP A 116 ALA A 134 1 19 HELIX 10 AB1 PHE B 2 ASP B 12 1 11 HELIX 11 AB2 ASP B 12 TYR B 28 1 17 HELIX 12 AB3 PRO B 29 VAL B 39 5 11 HELIX 13 AB4 SER B 42 LYS B 47 1 6 HELIX 14 AB5 MET B 49 ALA B 70 1 22 HELIX 15 AB6 LEU B 76 MET B 86 1 11 HELIX 16 AB7 LYS B 87 SER B 90 5 4 HELIX 17 AB8 THR B 93 SER B 111 1 19 HELIX 18 AB9 ASP B 116 ALA B 134 1 19 LINK NE2 HIS A 89 FE HEM A 201 1555 1555 2.33 LINK NE2 HIS B 89 FE HEM B 201 1555 1555 2.34 SITE 1 AC1 15 GLU A 31 ASN A 34 HIS A 55 LYS A 58 SITE 2 AC1 15 VAL A 59 MET A 63 LEU A 83 MET A 86 SITE 3 AC1 15 GLN A 88 HIS A 89 LEU A 92 ASN A 96 SITE 4 AC1 15 PHE A 97 LEU A 127 4CH A 203 SITE 1 AC2 9 LYS A 32 VAL A 39 GLY A 40 HOH A 303 SITE 2 AC2 9 HOH A 351 GLY B 1 PHE B 2 LYS B 3 SITE 3 AC2 9 HOH B 312 SITE 1 AC3 6 PHE A 21 PHE A 35 HIS A 55 THR A 56 SITE 2 AC3 6 VAL A 59 HEM A 201 SITE 1 AC4 13 HIS B 55 LYS B 58 VAL B 59 MET B 63 SITE 2 AC4 13 MET B 86 GLN B 88 HIS B 89 LEU B 92 SITE 3 AC4 13 ASN B 96 PHE B 97 LEU B 127 4CH B 203 SITE 4 AC4 13 HOH B 302 SITE 1 AC5 8 GLY A 1 PHE A 2 LYS A 3 LYS B 32 SITE 2 AC5 8 VAL B 39 GLY B 40 HOH B 331 HOH B 345 SITE 1 AC6 7 PHE B 21 PHE B 35 TYR B 38 HIS B 55 SITE 2 AC6 7 THR B 56 VAL B 59 HEM B 201 CRYST1 59.580 67.384 67.699 90.00 90.00 90.00 P 21 21 21 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 0.016784 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014840 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014771 0.00000