HEADER OXIDOREDUCTASE 10-MAY-19 6RO8 TITLE THE CRYSTAL STRUCTURE OF ACINETOBACTER RADIORESISTENS CYP116B5 HEME TITLE 2 DOMAIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME P450 RHF; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ACINETOBACTER RADIORESISTENS; SOURCE 3 ORGANISM_TAXID: 40216; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CYTOCHROME P450, MONOOXYGENASES, BIOCATALYSIS, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR A.CIARAMELLA,G.CATUCCI,G.GILARDI,G.DI NARDO REVDAT 3 24-JAN-24 6RO8 1 REMARK REVDAT 2 11-SEP-19 6RO8 1 JRNL REVDAT 1 28-AUG-19 6RO8 0 JRNL AUTH A.CIARAMELLA,G.CATUCCI,G.GILARDI,G.DI NARDO JRNL TITL CRYSTAL STRUCTURE OF BACTERIAL CYP116B5 HEME DOMAIN: NEW JRNL TITL 2 INSIGHTS ON CLASS VII P450S STRUCTURAL FLEXIBILITY AND JRNL TITL 3 PEROXYGENASE ACTIVITY. JRNL REF INT.J.BIOL.MACROMOL. V. 140 577 2019 JRNL REFN ISSN 0141-8130 JRNL PMID 31430491 JRNL DOI 10.1016/J.IJBIOMAC.2019.08.141 REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 91.33 REMARK 3 MIN(FOBS/SIGMA_FOBS) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 30052 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.200 REMARK 3 FREE R VALUE : 0.240 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : NULL REMARK 3 SHRINKAGE RADIUS : NULL REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : NULL REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 73.18 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 88.62 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 : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL 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 6RO8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 10-MAY-19. REMARK 100 THE DEPOSITION ID IS D_1292101516. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-JUL-18 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID23-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 X 2M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DIALS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 31654 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 109.900 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 13.50 REMARK 200 R MERGE (I) : 0.08400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 19.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.72 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 12.10 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.500 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: 6GII REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 76.28 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 5.19 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM AMINO ACIDS (0.02 M DL-ARGININE REMARK 280 HYDROCHLORIDE, 0.02M DL-THREONINE, 0.02M DL-HISTIDINE REMARK 280 MONOHYDROCHLORIDE MONOHYDRATE, 0.02M DL-5-HYDROXYLYSINE REMARK 280 HYDROCHLORIDE, 0.02M TRANS-4-HYDROXY-L-PROLINE), 0.1 M GLY-GLY, REMARK 280 AMPD BUFFER PH 8.5, 50% V/V OF 25% W/V PEG 4000, 40% W/V 1,2,6- REMARK 280 HEXANETRIOL, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 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+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 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 82.10000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 54.95000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 54.95000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 41.05000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 54.95000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 54.95000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 123.15000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 54.95000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 54.95000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 41.05000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 54.95000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 54.95000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 123.15000 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 82.10000 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 TOTAL BURIED SURFACE AREA: 1240 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17730 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -23.0 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 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 HIS A 2 REMARK 465 HIS A 3 REMARK 465 HIS A 4 REMARK 465 HIS A 5 REMARK 465 HIS A 6 REMARK 465 HIS A 7 REMARK 465 MET A 8 REMARK 465 ASN A 9 REMARK 465 VAL A 10 REMARK 465 LYS A 11 REMARK 465 VAL A 12 REMARK 465 PRO A 13 REMARK 465 MET A 14 REMARK 465 HIS A 15 REMARK 465 GLY A 16 REMARK 465 GLN A 17 REMARK 465 CYS A 18 REMARK 465 ALA A 432 REMARK 465 GLN A 433 REMARK 465 PRO A 434 REMARK 465 GLU A 435 REMARK 465 GLN A 436 REMARK 465 THR A 437 REMARK 465 ALA A 438 REMARK 465 ARG A 439 REMARK 465 GLN A 440 REMARK 465 ILE A 441 REMARK 465 THR A 442 REMARK 465 SER A 443 REMARK 465 PHE A 444 REMARK 465 PRO A 445 REMARK 465 ILE A 446 REMARK 465 GLY A 447 REMARK 465 ALA A 448 REMARK 465 PRO A 449 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 O VAL A 120 N ARG A 124 1.97 REMARK 500 O PRO A 119 N HIS A 121 2.13 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 ASP A 41 96.46 -165.72 REMARK 500 LEU A 53 61.42 -160.55 REMARK 500 ASN A 110 -126.52 -129.81 REMARK 500 THR A 112 -122.06 -111.82 REMARK 500 VAL A 120 -24.46 20.36 REMARK 500 THR A 133 151.49 -48.56 REMARK 500 MET A 167 -27.29 -151.17 REMARK 500 ASP A 185 -135.08 -144.33 REMARK 500 HIS A 272 -36.32 -149.00 REMARK 500 TRP A 430 -167.29 -168.24 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 ASP A 117 GLU A 118 -135.32 REMARK 500 GLU A 118 PRO A 119 139.57 REMARK 500 TYR A 364 ARG A 365 148.34 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 500 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 381 SG REMARK 620 2 HEM A 500 NA 93.6 REMARK 620 3 HEM A 500 NB 89.7 91.7 REMARK 620 4 HEM A 500 NC 86.3 179.8 88.4 REMARK 620 5 HEM A 500 ND 91.4 86.5 177.9 93.4 REMARK 620 6 HOH A 601 O 177.0 88.1 92.8 92.1 86.2 REMARK 620 N 1 2 3 4 5 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 500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue HIS A 501 DBREF 6RO8 A 8 449 UNP G9BWN9 G9BWN9_ACIRA 1 442 SEQADV 6RO8 MET A 1 UNP G9BWN9 INITIATING METHIONINE SEQADV 6RO8 HIS A 2 UNP G9BWN9 EXPRESSION TAG SEQADV 6RO8 HIS A 3 UNP G9BWN9 EXPRESSION TAG SEQADV 6RO8 HIS A 4 UNP G9BWN9 EXPRESSION TAG SEQADV 6RO8 HIS A 5 UNP G9BWN9 EXPRESSION TAG SEQADV 6RO8 HIS A 6 UNP G9BWN9 EXPRESSION TAG SEQADV 6RO8 HIS A 7 UNP G9BWN9 EXPRESSION TAG SEQRES 1 A 449 MET HIS HIS HIS HIS HIS HIS MET ASN VAL LYS VAL PRO SEQRES 2 A 449 MET HIS GLY GLN CYS SER PHE HIS ALA GLU LEU GLN GLN SEQRES 3 A 449 LYS GLY LYS ASN PHE ASP MET PHE ALA VAL PRO TYR GLN SEQRES 4 A 449 GLN ASP PRO ALA LEU ALA LEU LYS GLU PHE ARG ALA GLN SEQRES 5 A 449 LEU PRO ILE PHE PHE SER GLU ALA MET GLY TYR TRP ILE SEQRES 6 A 449 VAL THR ARG TYR GLU ASP VAL LYS ALA ILE PHE ARG ASP SEQRES 7 A 449 PRO ILE THR PHE SER ALA CYS ASN ALA LEU GLU LYS LEU SEQRES 8 A 449 THR PRO SER CYS PRO GLU ALA LEU LYS ILE LEU GLU LYS SEQRES 9 A 449 TYR LYS TYR GLY MET ASN ARG THR LEU VAL ASN GLU ASP SEQRES 10 A 449 GLU PRO VAL HIS MET GLU ARG ARG ARG ALA LEU MET ASP SEQRES 11 A 449 ALA PHE THR PRO GLN ASN LEU GLU GLU HIS GLN HIS PHE SEQRES 12 A 449 VAL ARG GLU LEU VAL ARG LYS LYS VAL ASP GLY PHE ILE SEQRES 13 A 449 TYR LYS GLY ARG ALA ASP LEU VAL GLN GLU MET LEU TRP SEQRES 14 A 449 GLU ILE PRO LEU MET VAL ALA LEU HIS PHE LEU GLY VAL SEQRES 15 A 449 PRO GLU ASP ASP MET GLN GLU LEU ARG LYS PHE ALA VAL SEQRES 16 A 449 ALA HIS THR VAL ASN THR TRP GLY ARG PRO THR LEU GLU SEQRES 17 A 449 GLN GLN LEU GLU VAL ALA GLU GLY VAL GLY GLN PHE TRP SEQRES 18 A 449 GLU TYR SER GLY ARG VAL LEU GLU LYS MET LYS ASN ASN SEQRES 19 A 449 PRO GLU GLY LYS GLY TRP MET TYR ASP MET ILE ALA LYS SEQRES 20 A 449 ASN ARG VAL MET PRO GLU VAL VAL THR ASP ASN TYR LEU SEQRES 21 A 449 HIS SER MET MET MET ALA ILE MET VAL ALA ALA HIS GLU SEQRES 22 A 449 THR THR ALA LEU ALA SER ALA ASN ALA LEU LYS LEU LEU SEQRES 23 A 449 LEU ALA ASP ARG LYS VAL TRP LYS LYS ILE CYS ASP ASN SEQRES 24 A 449 PRO GLN LEU ILE PRO GLY ALA VAL GLU GLU CYS LEU ARG SEQRES 25 A 449 HIS SER GLY SER VAL VAL ALA TRP ARG ARG GLN VAL THR SEQRES 26 A 449 THR GLU SER GLU VAL SER GLY VAL LYS PHE ARG LYS GLY SEQRES 27 A 449 ASP LYS LEU PHE LEU VAL SER ALA SER ALA ASN HIS ASP SEQRES 28 A 449 GLU LEU HIS PHE GLU ASN ALA ASP GLU LEU ASP ILE TYR SEQRES 29 A 449 ARG ASP ASN ALA ILE GLU HIS LEU THR PHE GLY TYR GLY SEQRES 30 A 449 ALA HIS GLN CYS MET GLY LYS ASN ILE GLY ARG MET GLU SEQRES 31 A 449 MET CYS ILE PHE ILE GLU GLU LEU SER ARG ARG ILE PRO SEQRES 32 A 449 ASP LEU LYS LEU CYS GLU GLN GLU PHE THR TYR LEU ALA SEQRES 33 A 449 ASN THR SER PHE ARG GLY PRO GLU ALA LEU TRP THR GLU SEQRES 34 A 449 TRP GLN ALA GLN PRO GLU GLN THR ALA ARG GLN ILE THR SEQRES 35 A 449 SER PHE PRO ILE GLY ALA PRO HET HEM A 500 43 HET HIS A 501 11 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM HIS HISTIDINE HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 HIS C6 H10 N3 O2 1+ FORMUL 4 HOH *71(H2 O) HELIX 1 AA1 SER A 19 ASN A 30 1 12 HELIX 2 AA2 ALA A 35 ASP A 41 1 7 HELIX 3 AA3 ASP A 41 LEU A 46 1 6 HELIX 4 AA4 LEU A 46 LEU A 53 1 8 HELIX 5 AA5 ARG A 68 ASP A 78 1 11 HELIX 6 AA6 ALA A 84 GLU A 89 5 6 HELIX 7 AA7 CYS A 95 TYR A 105 1 11 HELIX 8 AA8 VAL A 120 LEU A 128 1 9 HELIX 9 AA9 THR A 133 ILE A 156 1 24 HELIX 10 AB1 LEU A 163 MET A 167 1 5 HELIX 11 AB2 TRP A 169 LEU A 180 1 12 HELIX 12 AB3 ASP A 186 GLY A 203 1 18 HELIX 13 AB4 THR A 206 ASN A 234 1 29 HELIX 14 AB5 GLY A 239 MET A 251 1 13 HELIX 15 AB6 THR A 256 ALA A 271 1 16 HELIX 16 AB7 HIS A 272 ASP A 289 1 18 HELIX 17 AB8 ASP A 289 ASN A 299 1 11 HELIX 18 AB9 LEU A 302 GLY A 315 1 14 HELIX 19 AC1 VAL A 344 HIS A 350 1 7 HELIX 20 AC2 ASN A 367 HIS A 371 5 5 HELIX 21 AC3 GLY A 383 ILE A 402 1 20 SHEET 1 AA1 5 ILE A 55 SER A 58 0 SHEET 2 AA1 5 TYR A 63 VAL A 66 -1 O ILE A 65 N PHE A 56 SHEET 3 AA1 5 LYS A 340 LEU A 343 1 O PHE A 342 N TRP A 64 SHEET 4 AA1 5 TRP A 320 VAL A 324 -1 N TRP A 320 O LEU A 343 SHEET 5 AA1 5 PHE A 82 SER A 83 -1 N SER A 83 O GLN A 323 SHEET 1 AA2 3 ARG A 160 ASP A 162 0 SHEET 2 AA2 3 TRP A 427 GLU A 429 -1 O THR A 428 N ALA A 161 SHEET 3 AA2 3 LYS A 406 LEU A 407 -1 N LYS A 406 O GLU A 429 SHEET 1 AA3 2 SER A 328 VAL A 330 0 SHEET 2 AA3 2 VAL A 333 PHE A 335 -1 O PHE A 335 N SER A 328 LINK SG CYS A 381 FE HEM A 500 1555 1555 2.50 LINK FE HEM A 500 O HOH A 601 1555 1555 2.30 SITE 1 AC1 23 PHE A 76 LEU A 113 VAL A 114 MET A 122 SITE 2 AC1 23 ARG A 126 ALA A 270 ALA A 271 THR A 274 SITE 3 AC1 23 THR A 275 ALA A 278 SER A 316 ARG A 322 SITE 4 AC1 23 THR A 373 PHE A 374 GLY A 375 TYR A 376 SITE 5 AC1 23 ALA A 378 HIS A 379 GLN A 380 CYS A 381 SITE 6 AC1 23 GLY A 383 HIS A 501 HOH A 601 SITE 1 AC2 7 ALA A 270 THR A 274 TRP A 320 PHE A 420 SITE 2 AC2 7 HEM A 500 HOH A 601 HOH A 614 CRYST1 109.900 109.900 164.200 90.00 90.00 90.00 P 41 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 0.009099 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009099 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006090 0.00000