HEADER OXIDOREDUCTASE 18-SEP-18 6MI0 TITLE CRYSTAL STRUCTURE OF THE P450 DOMAIN OF THE CYP51-FERREDOXIN FUSION TITLE 2 PROTEIN FROM METHYLOCOCCUS CAPSULATUS, LIGAND-FREE STATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME P450 51; COMPND 3 CHAIN: A; COMPND 4 EC: 1.14.13.70; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: METHYLOCOCCUS CAPSULATUS (STRAIN ATCC 33009 / SOURCE 3 NCIMB 11132 / BATH); SOURCE 4 ORGANISM_TAXID: 243233; SOURCE 5 STRAIN: ATCC 33009 / NCIMB 11132 / BATH; SOURCE 6 GENE: CYP51, MCA2711; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: HMS-174 KEYWDS CYTOCHROME P450 FOLD, CYP51, HEME, STEROL BIOSYNTHESIS, KEYWDS 2 OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR T.HARGROVE,Z.WAWRZAK,D.C.LAMB,G.I.LEPESHEVA REVDAT 4 11-OCT-23 6MI0 1 REMARK REVDAT 3 20-JAN-21 6MI0 1 JRNL REVDAT 2 01-JAN-20 6MI0 1 REMARK REVDAT 1 10-JUL-19 6MI0 0 JRNL AUTH D.C.LAMB,T.Y.HARGROVE,B.ZHAO,Z.WAWRZAK,J.V.GOLDSTONE, JRNL AUTH 2 W.D.NES,S.L.KELLY,M.R.WATERMAN,J.J.STEGEMAN,G.I.LEPESHEVA JRNL TITL CONCERNING P450 EVOLUTION: STRUCTURAL ANALYSES SUPPORT JRNL TITL 2 BACTERIAL ORIGIN OF STEROL 14 ALPHA-DEMETHYLASES. JRNL REF MOL.BIOL.EVOL. 2020 JRNL REFN ESSN 1537-1719 JRNL PMID 33031537 JRNL DOI 10.1093/MOLBEV/MSAA260 REMARK 2 REMARK 2 RESOLUTION. 2.73 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0232 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.73 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 65.84 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 97.6 REMARK 3 NUMBER OF REFLECTIONS : 22239 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 + TEST SET) : 0.215 REMARK 3 R VALUE (WORKING SET) : 0.214 REMARK 3 FREE R VALUE : 0.234 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.400 REMARK 3 FREE R VALUE TEST SET COUNT : 1269 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.73 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.80 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1669 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.83 REMARK 3 BIN R VALUE (WORKING SET) : 0.3780 REMARK 3 BIN FREE R VALUE SET COUNT : 93 REMARK 3 BIN FREE R VALUE : 0.3810 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3609 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 43 REMARK 3 SOLVENT ATOMS : 79 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 83.68 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.58000 REMARK 3 B22 (A**2) : -1.58000 REMARK 3 B33 (A**2) : 5.11000 REMARK 3 B12 (A**2) : -0.79000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.429 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.269 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.253 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 13.875 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.950 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.943 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3745 ; 0.002 ; 0.013 REMARK 3 BOND LENGTHS OTHERS (A): 3531 ; 0.000 ; 0.017 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 5078 ; 1.103 ; 1.676 REMARK 3 BOND ANGLES OTHERS (DEGREES): 8146 ; 1.072 ; 1.581 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 445 ; 7.312 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 223 ;28.368 ;20.045 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 649 ;17.229 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 42 ;18.243 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 467 ; 0.038 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 4188 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 866 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1783 ; 7.715 ; 8.424 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1782 ; 7.714 ; 8.420 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2227 ;11.033 ;12.665 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 2228 ;11.031 ;12.670 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1961 ; 8.273 ; 9.333 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 1959 ; 8.272 ; 9.335 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 2851 ;12.259 ;13.658 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 4309 ;17.830 ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 4302 ;17.841 ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 6MI0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-SEP-18. REMARK 100 THE DEPOSITION ID IS D_1000236983. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-MAY-18 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 21-ID-F REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97872 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24087 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.730 REMARK 200 RESOLUTION RANGE LOW (A) : 65.840 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.6 REMARK 200 DATA REDUNDANCY : 5.300 REMARK 200 R MERGE (I) : 0.05500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 16.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.73 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.80 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 5.40 REMARK 200 R MERGE FOR SHELL (I) : 0.80000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.200 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: 6MCW REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 71.57 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.33 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: POTASSIUM PHOSPHATE, PEG 3350, REMARK 280 GLYCEROL, PH 7.4, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-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 22.41533 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 44.83067 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 44.83067 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 22.41533 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 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 SER A 2 REMARK 465 HIS A 3 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 PHE A 49 -125.83 61.83 REMARK 500 ASP A 112 -119.19 59.88 REMARK 500 HIS A 164 -81.61 -106.68 REMARK 500 ASN A 167 -71.65 -50.16 REMARK 500 LEU A 193 171.29 178.49 REMARK 500 HIS A 259 -75.51 -73.41 REMARK 500 HIS A 294 -26.56 -143.46 REMARK 500 GLN A 304 73.21 -118.86 REMARK 500 ASN A 362 62.71 62.92 REMARK 500 ASP A 378 -76.84 -76.31 REMARK 500 LYS A 379 -1.83 -57.84 REMARK 500 GLN A 385 38.33 -153.14 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 501 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 394 SG REMARK 620 2 HEM A 501 NA 99.6 REMARK 620 3 HEM A 501 NB 89.6 88.0 REMARK 620 4 HEM A 501 NC 81.0 174.2 86.2 REMARK 620 5 HEM A 501 ND 89.8 93.7 178.4 92.2 REMARK 620 6 HOH A 619 O 170.3 74.3 82.7 104.3 98.0 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 501 DBREF 6MI0 A 1 449 UNP Q603T8 Q603T8_METCA 1 449 SEQRES 1 A 449 MET SER HIS PRO PRO SER ASN THR PRO PRO VAL LYS PRO SEQRES 2 A 449 GLY GLY LEU PRO LEU LEU GLY HIS ILE LEU GLU PHE GLY SEQRES 3 A 449 LYS ASN PRO HIS ALA PHE LEU MET ALA LEU ARG HIS GLU SEQRES 4 A 449 PHE GLY ASP VAL ALA GLU PHE ARG MET PHE HIS GLN ARG SEQRES 5 A 449 MET VAL LEU LEU THR GLY SER GLN ALA SER GLU ALA PHE SEQRES 6 A 449 TYR ARG ALA PRO ASP GLU VAL LEU ASP GLN GLY PRO ALA SEQRES 7 A 449 TYR ARG ILE MET THR PRO ILE PHE GLY ARG GLY VAL VAL SEQRES 8 A 449 PHE ASP ALA ARG ILE GLU ARG LYS ASN GLN GLN LEU GLN SEQRES 9 A 449 MET LEU MET PRO ALA LEU ARG ASP LYS PRO MET ARG THR SEQRES 10 A 449 TYR SER GLU ILE ILE VAL ALA GLU VAL GLU ALA MET LEU SEQRES 11 A 449 ARG ASP TRP LYS ASP ALA GLY THR ILE ASP LEU LEU GLU SEQRES 12 A 449 LEU THR LYS GLU LEU THR ILE TYR THR SER SER HIS CYS SEQRES 13 A 449 LEU LEU GLY ALA GLU PHE ARG HIS GLU LEU ASN THR GLU SEQRES 14 A 449 PHE ALA GLY ILE TYR ARG ASP LEU GLU MET GLY ILE GLN SEQRES 15 A 449 PRO ILE ALA TYR VAL PHE PRO ASN LEU PRO LEU PRO VAL SEQRES 16 A 449 PHE LYS ARG ARG ASP GLN ALA ARG VAL ARG LEU GLN GLU SEQRES 17 A 449 LEU VAL THR GLN ILE MET GLU ARG ARG ALA ARG SER GLN SEQRES 18 A 449 GLU ARG SER THR ASN VAL PHE GLN MET LEU ILE ASP ALA SEQRES 19 A 449 SER TYR ASP ASP GLY SER LYS LEU THR PRO HIS GLU ILE SEQRES 20 A 449 THR GLY MET LEU ILE ALA THR ILE PHE ALA GLY HIS HIS SEQRES 21 A 449 THR SER SER GLY THR THR ALA TRP VAL LEU ILE GLU LEU SEQRES 22 A 449 LEU ARG ARG PRO GLU TYR LEU ARG ARG VAL ARG ALA GLU SEQRES 23 A 449 ILE ASP ALA LEU PHE GLU THR HIS GLY ARG VAL THR PHE SEQRES 24 A 449 GLU SER LEU ARG GLN MET PRO GLN LEU GLU ASN VAL ILE SEQRES 25 A 449 LYS GLU VAL LEU ARG LEU HIS PRO PRO LEU ILE LEU LEU SEQRES 26 A 449 MET ARG LYS VAL MET LYS ASP PHE GLU VAL GLN GLY MET SEQRES 27 A 449 ARG ILE GLU ALA GLY LYS PHE VAL CYS ALA ALA PRO SER SEQRES 28 A 449 VAL THR HIS ARG ILE PRO GLU LEU PHE PRO ASN PRO GLU SEQRES 29 A 449 LEU PHE ASP PRO ASP ARG TYR THR PRO GLU ARG ALA GLU SEQRES 30 A 449 ASP LYS ASP LEU TYR GLY TRP GLN ALA PHE GLY GLY GLY SEQRES 31 A 449 ARG HIS LYS CYS SER GLY ASN ALA PHE ALA MET PHE GLN SEQRES 32 A 449 ILE LYS ALA ILE VAL CYS VAL LEU LEU ARG ASN TYR GLU SEQRES 33 A 449 PHE GLU LEU ALA ALA ALA PRO GLU SER TYR ARG ASP ASP SEQRES 34 A 449 TYR ARG LYS MET VAL VAL GLU PRO ALA SER PRO CYS LEU SEQRES 35 A 449 ILE ARG TYR ARG ARG ARG ASP HET HEM A 501 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 HOH *79(H2 O) HELIX 1 AA1 HIS A 21 ASN A 28 1 8 HELIX 2 AA2 ASN A 28 GLY A 41 1 14 HELIX 3 AA3 GLY A 58 ALA A 68 1 11 HELIX 4 AA4 GLY A 76 ARG A 80 5 5 HELIX 5 AA5 MET A 82 GLY A 87 1 6 HELIX 6 AA6 ARG A 95 MET A 107 1 13 HELIX 7 AA7 PRO A 108 LEU A 110 5 3 HELIX 8 AA8 PRO A 114 ARG A 131 1 18 HELIX 9 AA9 LEU A 141 LEU A 158 1 18 HELIX 10 AB1 GLY A 159 ARG A 163 5 5 HELIX 11 AB2 LEU A 166 GLY A 180 1 15 HELIX 12 AB3 GLN A 182 VAL A 187 1 6 HELIX 13 AB4 LEU A 193 SER A 220 1 28 HELIX 14 AB5 ASN A 226 ALA A 234 1 9 HELIX 15 AB6 THR A 243 ARG A 275 1 33 HELIX 16 AB7 ARG A 276 GLU A 292 1 17 HELIX 17 AB8 THR A 298 GLN A 304 1 7 HELIX 18 AB9 MET A 305 HIS A 319 1 15 HELIX 19 AC1 ALA A 349 HIS A 354 1 6 HELIX 20 AC2 ASP A 367 THR A 372 5 6 HELIX 21 AC3 GLY A 389 LYS A 393 5 5 HELIX 22 AC4 GLY A 396 ASN A 414 1 19 HELIX 23 AC5 ALA A 422 TYR A 426 5 5 SHEET 1 AA1 5 VAL A 43 MET A 48 0 SHEET 2 AA1 5 GLN A 51 LEU A 56 -1 O LEU A 55 N ALA A 44 SHEET 3 AA1 5 PHE A 345 ALA A 348 1 O CYS A 347 N LEU A 56 SHEET 4 AA1 5 LEU A 325 VAL A 329 -1 N ARG A 327 O VAL A 346 SHEET 5 AA1 5 LEU A 73 ASP A 74 -1 N ASP A 74 O LYS A 328 SHEET 1 AA2 3 ALA A 136 ASP A 140 0 SHEET 2 AA2 3 LEU A 442 ARG A 447 -1 O ILE A 443 N ILE A 139 SHEET 3 AA2 3 TYR A 415 LEU A 419 -1 N GLU A 418 O ARG A 444 SHEET 1 AA3 2 PHE A 333 VAL A 335 0 SHEET 2 AA3 2 MET A 338 ILE A 340 -1 O MET A 338 N VAL A 335 LINK SG CYS A 394 FE HEM A 501 1555 1555 2.34 LINK FE HEM A 501 O HOH A 619 1555 1555 2.62 SITE 1 AC1 19 GLN A 75 LEU A 103 ALA A 257 GLY A 258 SITE 2 AC1 19 THR A 261 SER A 262 PRO A 321 LEU A 322 SITE 3 AC1 19 ARG A 327 ALA A 386 PHE A 387 GLY A 388 SITE 4 AC1 19 HIS A 392 LYS A 393 CYS A 394 ALA A 400 SITE 5 AC1 19 HOH A 618 HOH A 619 HOH A 657 CRYST1 151.861 151.861 67.246 90.00 90.00 120.00 P 31 2 1 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 0.006585 0.003802 0.000000 0.00000 SCALE2 0.000000 0.007604 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014871 0.00000