PDB Short entry for 3MDV HEADER OXIDOREDUCTASE 30-MAR-10 3MDV TITLE CLOTRIMAZOLE COMPLEX OF CYTOCHROME P450 46A1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHOLESTEROL 24-HYDROXYLASE; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: UNP RESIDUES 51-500; COMPND 5 SYNONYM: CH24H, CYTOCHROME P450 46A1; COMPND 6 EC: 1.14.13.98; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: CYP46A1, CYP46; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: DH5ALPHA; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PUC18 KEYWDS CYP46A1, P450 46A1, P450, CLOTRIMAZOLE, MONOOXYGENASE, METABOLIC KEYWDS 2 ENZYME, OXIDOREDUCTASE, HEME, CHOLESTEROL METABOLISM, ENDOPLASMIC KEYWDS 3 RETICULUM, IRON, LIPID METABOLISM, MEMBRANE, METAL-BINDING, KEYWDS 4 MICROSOME, NADP, STEROID METABOLISM, TRANSMEMBRANE EXPDTA X-RAY DIFFRACTION AUTHOR N.MAST,C.CHARVET,I.PIKULEVA,C.D.STOUT REVDAT 4 06-SEP-23 3MDV 1 REMARK SEQADV LINK REVDAT 3 20-OCT-10 3MDV 1 JRNL REVDAT 2 13-OCT-10 3MDV 1 JRNL REVDAT 1 28-JUL-10 3MDV 0 JRNL AUTH N.MAST,C.CHARVET,I.A.PIKULEVA,C.D.STOUT JRNL TITL STRUCTURAL BASIS OF DRUG BINDING TO CYP46A1, AN ENZYME THAT JRNL TITL 2 CONTROLS CHOLESTEROL TURNOVER IN THE BRAIN. JRNL REF J.BIOL.CHEM. V. 285 31783 2010 JRNL REFN ISSN 0021-9258 JRNL PMID 20667828 JRNL DOI 10.1074/JBC.M110.143313 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH N.MAST,M.A.WHITE,I.BJORKHEM,E.F.JOHNSON,C.D.STOUT, REMARK 1 AUTH 2 I.A.PIKULEVA REMARK 1 TITL CRYSTAL STRUCTURES OF SUBSTRATE-BOUND AND SUBSTRATE-FREE REMARK 1 TITL 2 CYTOCHROME P450 46A1, THE PRINCIPAL CHOLESTEROL HYDROXYLASE REMARK 1 TITL 3 IN THE BRAIN. REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 105 9546 2008 REMARK 1 REFN ISSN 0027-8424 REMARK 1 PMID 18621681 REMARK 1 DOI 10.1073/PNAS.0803717105 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0072 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 93.0 REMARK 3 NUMBER OF REFLECTIONS : 36225 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) : 0.210 REMARK 3 R VALUE (WORKING SET) : 0.209 REMARK 3 FREE R VALUE : 0.228 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1909 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) : 2.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.46 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1848 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 65.20 REMARK 3 BIN R VALUE (WORKING SET) : 0.1690 REMARK 3 BIN FREE R VALUE SET COUNT : 114 REMARK 3 BIN FREE R VALUE : 0.1900 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 6836 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 136 REMARK 3 SOLVENT ATOMS : 484 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 42.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.56 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.06000 REMARK 3 B22 (A**2) : 0.06000 REMARK 3 B33 (A**2) : -0.12000 REMARK 3 B12 (A**2) : 0.00000 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): 0.119 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.055 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.153 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 6.573 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.914 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.909 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 7968 ; 0.013 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 12204 ; 1.336 ; 1.961 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 1688 ; 5.565 ; 7.500 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 332 ;40.655 ;23.193 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 1284 ;18.601 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 68 ;16.347 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 1046 ; 0.096 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 8846 ; 0.005 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL 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): 4226 ; 0.657 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 6830 ; 1.264 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 2898 ; 1.920 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 2802 ; 3.217 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; 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 : 1 REMARK 3 REMARK 3 NCS GROUP NUMBER : 1 REMARK 3 CHAIN NAMES : B A REMARK 3 NUMBER OF COMPONENTS NCS GROUP : 1 REMARK 3 COMPONENT C SSSEQI TO C SSSEQI CODE REMARK 3 1 B 59 B 489 3 REMARK 3 1 A 59 A 489 3 REMARK 3 GROUP CHAIN COUNT RMS WEIGHT REMARK 3 TIGHT POSITIONAL 1 B (A): 1696 ; 0.030 ; 0.050 REMARK 3 LOOSE POSITIONAL 1 B (A): 1722 ; 0.070 ; 5.000 REMARK 3 TIGHT THERMAL 1 B (A**2): 1696 ; 0.070 ; 0.500 REMARK 3 LOOSE THERMAL 1 B (A**2): 1722 ; 0.080 ;10.000 REMARK 3 REMARK 3 TWIN DETAILS REMARK 3 NUMBER OF TWIN DOMAINS : 2 REMARK 3 TWIN DOMAIN : 1 REMARK 3 TWIN OPERATOR : H, K, L REMARK 3 TWIN FRACTION : 0.459 REMARK 3 TWIN DOMAIN : 2 REMARK 3 TWIN OPERATOR : -H, K, -L REMARK 3 TWIN FRACTION : 0.541 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS REMARK 3 U VALUES: REFINED INDIVIDUALLY REMARK 3 TWIN DOMAINS: H,K,L TWIN FRACTION 0.459 -H,K,-L TWIN FRACTION 0.541 REMARK 4 REMARK 4 3MDV COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-APR-10. REMARK 100 THE DEPOSITION ID IS D_1000058422. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 31-JUL-09 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 : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : SIDE SCATTERING I-BEAM BENT REMARK 200 SINGLE CRYSTAL, ASYMMETRIC CUT REMARK 200 4.9650 DEG REMARK 200 OPTICS : RH COATED FLAT MIRROR 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 3.3.15 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 39099 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 93.074 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.3 REMARK 200 DATA REDUNDANCY : 4.900 REMARK 200 R MERGE (I) : 0.10400 REMARK 200 R SYM (I) : 0.10400 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 4.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.53 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.2 REMARK 200 DATA REDUNDANCY IN SHELL : 4.90 REMARK 200 R MERGE FOR SHELL (I) : 0.39600 REMARK 200 R SYM FOR SHELL (I) : 0.39600 REMARK 200 <I/SIGMA(I)> 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: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 2Q9F REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.73 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 14% PEG 8000, 20% GLYCEROL, 50 MM KPI, REMARK 280 PH 6.4, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 41 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 3555 -Y,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X,Z+3/4 REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X,-Y,Z REMARK 290 7555 -Y+1/2,X,Z+3/4 REMARK 290 8555 Y,-X+1/2,Z+1/4 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 60.80500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 60.80500 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 72.30500 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 60.80500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 36.15250 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 60.80500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 108.45750 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 60.80500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 60.80500 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 72.30500 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 7 0.000000 -1.000000 0.000000 60.80500 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 108.45750 REMARK 290 SMTRY1 8 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 60.80500 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 36.15250 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 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 957 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 49 REMARK 465 ALA A 50 REMARK 465 LYS A 51 REMARK 465 LYS A 52 REMARK 465 ASP A 53 REMARK 465 GLU A 54 REMARK 465 VAL A 55 REMARK 465 GLY A 56 REMARK 465 GLY A 57 REMARK 465 ARG A 58 REMARK 465 LEU A 229 REMARK 465 ALA A 230 REMARK 465 LYS A 231 REMARK 465 PHE A 232 REMARK 465 LEU A 233 REMARK 465 PRO A 234 REMARK 465 GLY A 235 REMARK 465 GLY A 490 REMARK 465 TRP A 491 REMARK 465 GLN A 492 REMARK 465 PRO A 493 REMARK 465 ALA A 494 REMARK 465 PRO A 495 REMARK 465 PRO A 496 REMARK 465 PRO A 497 REMARK 465 PRO A 498 REMARK 465 PRO A 499 REMARK 465 CYS A 500 REMARK 465 HIS A 501 REMARK 465 HIS A 502 REMARK 465 HIS A 503 REMARK 465 HIS A 504 REMARK 465 MET B 49 REMARK 465 ALA B 50 REMARK 465 LYS B 51 REMARK 465 LYS B 52 REMARK 465 ASP B 53 REMARK 465 GLU B 54 REMARK 465 VAL B 55 REMARK 465 GLY B 56 REMARK 465 GLY B 57 REMARK 465 ARG B 58 REMARK 465 LEU B 229 REMARK 465 ALA B 230 REMARK 465 LYS B 231 REMARK 465 PHE B 232 REMARK 465 LEU B 233 REMARK 465 PRO B 234 REMARK 465 GLY B 235 REMARK 465 GLY B 490 REMARK 465 TRP B 491 REMARK 465 GLN B 492 REMARK 465 PRO B 493 REMARK 465 ALA B 494 REMARK 465 PRO B 495 REMARK 465 PRO B 496 REMARK 465 PRO B 497 REMARK 465 PRO B 498 REMARK 465 PRO B 499 REMARK 465 CYS B 500 REMARK 465 HIS B 501 REMARK 465 HIS B 502 REMARK 465 HIS B 503 REMARK 465 HIS B 504 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 NH2 ARG B 147 O HOH B 1062 1.59 REMARK 500 NH2 ARG B 139 O HOH B 804 2.02 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ARG A 147 NE - CZ - NH2 ANGL. DEV. = 3.5 DEGREES REMARK 500 ARG A 248 NE - CZ - NH1 ANGL. DEV. = -4.0 DEGREES REMARK 500 ARG A 248 NE - CZ - NH2 ANGL. DEV. = 5.6 DEGREES REMARK 500 ARG A 267 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 ARG A 267 NE - CZ - NH2 ANGL. DEV. = -3.9 DEGREES REMARK 500 ARG A 461 NE - CZ - NH1 ANGL. DEV. = 4.5 DEGREES REMARK 500 ARG A 461 NE - CZ - NH2 ANGL. DEV. = -4.9 DEGREES REMARK 500 ARG A 487 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 ARG A 487 NE - CZ - NH2 ANGL. DEV. = -3.5 DEGREES REMARK 500 ARG B 139 NE - CZ - NH1 ANGL. DEV. = 4.3 DEGREES REMARK 500 ARG B 139 NE - CZ - NH2 ANGL. DEV. = -3.5 DEGREES REMARK 500 ARG B 147 NE - CZ - NH1 ANGL. DEV. = 4.1 DEGREES REMARK 500 ARG B 147 NE - CZ - NH2 ANGL. DEV. = -4.0 DEGREES REMARK 500 ARG B 248 NE - CZ - NH1 ANGL. DEV. = 4.5 DEGREES REMARK 500 ARG B 248 NE - CZ - NH2 ANGL. DEV. = -4.3 DEGREES REMARK 500 ARG B 461 NE - CZ - NH1 ANGL. DEV. = -3.3 DEGREES REMARK 500 ARG B 461 NE - CZ - NH2 ANGL. DEV. = 3.2 DEGREES REMARK 500 ARG B 487 NE - CZ - NH1 ANGL. DEV. = -4.0 DEGREES REMARK 500 ARG B 487 NE - CZ - NH2 ANGL. DEV. = 4.4 DEGREES 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 120 -85.44 -120.65 REMARK 500 GLN A 123 40.44 -101.27 REMARK 500 ALA A 144 0.11 -66.99 REMARK 500 GLN A 175 -19.02 -151.02 REMARK 500 HIS A 304 -31.11 -134.74 REMARK 500 SER A 431 -172.17 65.38 REMARK 500 GLN A 473 -128.48 -96.27 REMARK 500 PRO A 481 16.86 -68.27 REMARK 500 LEU B 120 -85.12 -121.54 REMARK 500 GLN B 123 42.04 -104.99 REMARK 500 GLN B 175 3.91 -152.74 REMARK 500 HIS B 304 -33.14 -136.19 REMARK 500 GLU B 377 131.07 -38.40 REMARK 500 PHE B 428 64.57 -151.71 REMARK 500 SER B 431 -172.12 68.81 REMARK 500 GLN B 473 -130.17 -94.45 REMARK 500 PRO B 481 15.82 -67.17 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 505 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 437 SG REMARK 620 2 HEM A 505 NA 98.0 REMARK 620 3 HEM A 505 NB 90.2 89.9 REMARK 620 4 HEM A 505 NC 94.7 167.2 89.0 REMARK 620 5 HEM A 505 ND 99.5 89.2 170.3 89.7 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 505 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 437 SG REMARK 620 2 HEM B 505 NA 98.3 REMARK 620 3 HEM B 505 NB 90.0 88.5 REMARK 620 4 HEM B 505 NC 95.7 165.8 89.1 REMARK 620 5 HEM B 505 ND 102.7 92.5 166.9 86.7 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 505 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL6 A 506 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 505 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL6 B 506 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2Q9F RELATED DB: PDB REMARK 900 CHOLESTEROL 3-SULFATE COMPLEX OF CYTOCHROME P450 46A1 REMARK 900 RELATED ID: 2Q9G RELATED DB: PDB REMARK 900 APO FORM OF CYTOCHROME P450 46A1 REMARK 900 RELATED ID: 3MDM RELATED DB: PDB REMARK 900 RELATED ID: 3MDR RELATED DB: PDB REMARK 900 RELATED ID: 3MDT RELATED DB: PDB DBREF 3MDV A 51 500 UNP Q9Y6A2 CP46A_HUMAN 51 500 DBREF 3MDV B 51 500 UNP Q9Y6A2 CP46A_HUMAN 51 500 SEQADV 3MDV MET A 49 UNP Q9Y6A2 EXPRESSION TAG SEQADV 3MDV ALA A 50 UNP Q9Y6A2 EXPRESSION TAG SEQADV 3MDV HIS A 501 UNP Q9Y6A2 EXPRESSION TAG SEQADV 3MDV HIS A 502 UNP Q9Y6A2 EXPRESSION TAG SEQADV 3MDV HIS A 503 UNP Q9Y6A2 EXPRESSION TAG SEQADV 3MDV HIS A 504 UNP Q9Y6A2 EXPRESSION TAG SEQADV 3MDV MET B 49 UNP Q9Y6A2 EXPRESSION TAG SEQADV 3MDV ALA B 50 UNP Q9Y6A2 EXPRESSION TAG SEQADV 3MDV HIS B 501 UNP Q9Y6A2 EXPRESSION TAG SEQADV 3MDV HIS B 502 UNP Q9Y6A2 EXPRESSION TAG SEQADV 3MDV HIS B 503 UNP Q9Y6A2 EXPRESSION TAG SEQADV 3MDV HIS B 504 UNP Q9Y6A2 EXPRESSION TAG SEQRES 1 A 456 MET ALA LYS LYS ASP GLU VAL GLY GLY ARG VAL LEU GLN SEQRES 2 A 456 ASP VAL PHE LEU ASP TRP ALA LYS LYS TYR GLY PRO VAL SEQRES 3 A 456 VAL ARG VAL ASN VAL PHE HIS LYS THR SER VAL ILE VAL SEQRES 4 A 456 THR SER PRO GLU SER VAL LYS LYS PHE LEU MET SER THR SEQRES 5 A 456 LYS TYR ASN LYS ASP SER LYS MET TYR ARG ALA LEU GLN SEQRES 6 A 456 THR VAL PHE GLY GLU ARG LEU PHE GLY GLN GLY LEU VAL SEQRES 7 A 456 SER GLU CYS ASN TYR GLU ARG TRP HIS LYS GLN ARG ARG SEQRES 8 A 456 VAL ILE ASP LEU ALA PHE SER ARG SER SER LEU VAL SER SEQRES 9 A 456 LEU MET GLU THR PHE ASN GLU LYS ALA GLU GLN LEU VAL SEQRES 10 A 456 GLU ILE LEU GLU ALA LYS ALA ASP GLY GLN THR PRO VAL SEQRES 11 A 456 SER MET GLN ASP MET LEU THR TYR THR ALA MET ASP ILE SEQRES 12 A 456 LEU ALA LYS ALA ALA PHE GLY MET GLU THR SER MET LEU SEQRES 13 A 456 LEU GLY ALA GLN LYS PRO LEU SER GLN ALA VAL LYS LEU SEQRES 14 A 456 MET LEU GLU GLY ILE THR ALA SER ARG ASN THR LEU ALA SEQRES 15 A 456 LYS PHE LEU PRO GLY LYS ARG LYS GLN LEU ARG GLU VAL SEQRES 16 A 456 ARG GLU SER ILE ARG PHE LEU ARG GLN VAL GLY ARG ASP SEQRES 17 A 456 TRP VAL GLN ARG ARG ARG GLU ALA LEU LYS ARG GLY GLU SEQRES 18 A 456 GLU VAL PRO ALA ASP ILE LEU THR GLN ILE LEU LYS ALA SEQRES 19 A 456 GLU GLU GLY ALA GLN ASP ASP GLU GLY LEU LEU ASP ASN SEQRES 20 A 456 PHE VAL THR PHE PHE ILE ALA GLY HIS GLU THR SER ALA SEQRES 21 A 456 ASN HIS LEU ALA PHE THR VAL MET GLU LEU SER ARG GLN SEQRES 22 A 456 PRO GLU ILE VAL ALA ARG LEU GLN ALA GLU VAL ASP GLU SEQRES 23 A 456 VAL ILE GLY SER LYS ARG TYR LEU ASP PHE GLU ASP LEU SEQRES 24 A 456 GLY ARG LEU GLN TYR LEU SER GLN VAL LEU LYS GLU SER SEQRES 25 A 456 LEU ARG LEU TYR PRO PRO ALA TRP GLY THR PHE ARG LEU SEQRES 26 A 456 LEU GLU GLU GLU THR LEU ILE ASP GLY VAL ARG VAL PRO SEQRES 27 A 456 GLY ASN THR PRO LEU LEU PHE SER THR TYR VAL MET GLY SEQRES 28 A 456 ARG MET ASP THR TYR PHE GLU ASP PRO LEU THR PHE ASN SEQRES 29 A 456 PRO ASP ARG PHE GLY PRO GLY ALA PRO LYS PRO ARG PHE SEQRES 30 A 456 THR TYR PHE PRO PHE SER LEU GLY HIS ARG SER CYS ILE SEQRES 31 A 456 GLY GLN GLN PHE ALA GLN MET GLU VAL LYS VAL VAL MET SEQRES 32 A 456 ALA LYS LEU LEU GLN ARG LEU GLU PHE ARG LEU VAL PRO SEQRES 33 A 456 GLY GLN ARG PHE GLY LEU GLN GLU GLN ALA THR LEU LYS SEQRES 34 A 456 PRO LEU ASP PRO VAL LEU CYS THR LEU ARG PRO ARG GLY SEQRES 35 A 456 TRP GLN PRO ALA PRO PRO PRO PRO PRO CYS HIS HIS HIS SEQRES 36 A 456 HIS SEQRES 1 B 456 MET ALA LYS LYS ASP GLU VAL GLY GLY ARG VAL LEU GLN SEQRES 2 B 456 ASP VAL PHE LEU ASP TRP ALA LYS LYS TYR GLY PRO VAL SEQRES 3 B 456 VAL ARG VAL ASN VAL PHE HIS LYS THR SER VAL ILE VAL SEQRES 4 B 456 THR SER PRO GLU SER VAL LYS LYS PHE LEU MET SER THR SEQRES 5 B 456 LYS TYR ASN LYS ASP SER LYS MET TYR ARG ALA LEU GLN SEQRES 6 B 456 THR VAL PHE GLY GLU ARG LEU PHE GLY GLN GLY LEU VAL SEQRES 7 B 456 SER GLU CYS ASN TYR GLU ARG TRP HIS LYS GLN ARG ARG SEQRES 8 B 456 VAL ILE ASP LEU ALA PHE SER ARG SER SER LEU VAL SER SEQRES 9 B 456 LEU MET GLU THR PHE ASN GLU LYS ALA GLU GLN LEU VAL SEQRES 10 B 456 GLU ILE LEU GLU ALA LYS ALA ASP GLY GLN THR PRO VAL SEQRES 11 B 456 SER MET GLN ASP MET LEU THR TYR THR ALA MET ASP ILE SEQRES 12 B 456 LEU ALA LYS ALA ALA PHE GLY MET GLU THR SER MET LEU SEQRES 13 B 456 LEU GLY ALA GLN LYS PRO LEU SER GLN ALA VAL LYS LEU SEQRES 14 B 456 MET LEU GLU GLY ILE THR ALA SER ARG ASN THR LEU ALA SEQRES 15 B 456 LYS PHE LEU PRO GLY LYS ARG LYS GLN LEU ARG GLU VAL SEQRES 16 B 456 ARG GLU SER ILE ARG PHE LEU ARG GLN VAL GLY ARG ASP SEQRES 17 B 456 TRP VAL GLN ARG ARG ARG GLU ALA LEU LYS ARG GLY GLU SEQRES 18 B 456 GLU VAL PRO ALA ASP ILE LEU THR GLN ILE LEU LYS ALA SEQRES 19 B 456 GLU GLU GLY ALA GLN ASP ASP GLU GLY LEU LEU ASP ASN SEQRES 20 B 456 PHE VAL THR PHE PHE ILE ALA GLY HIS GLU THR SER ALA SEQRES 21 B 456 ASN HIS LEU ALA PHE THR VAL MET GLU LEU SER ARG GLN SEQRES 22 B 456 PRO GLU ILE VAL ALA ARG LEU GLN ALA GLU VAL ASP GLU SEQRES 23 B 456 VAL ILE GLY SER LYS ARG TYR LEU ASP PHE GLU ASP LEU SEQRES 24 B 456 GLY ARG LEU GLN TYR LEU SER GLN VAL LEU LYS GLU SER SEQRES 25 B 456 LEU ARG LEU TYR PRO PRO ALA TRP GLY THR PHE ARG LEU SEQRES 26 B 456 LEU GLU GLU GLU THR LEU ILE ASP GLY VAL ARG VAL PRO SEQRES 27 B 456 GLY ASN THR PRO LEU LEU PHE SER THR TYR VAL MET GLY SEQRES 28 B 456 ARG MET ASP THR TYR PHE GLU ASP PRO LEU THR PHE ASN SEQRES 29 B 456 PRO ASP ARG PHE GLY PRO GLY ALA PRO LYS PRO ARG PHE SEQRES 30 B 456 THR TYR PHE PRO PHE SER LEU GLY HIS ARG SER CYS ILE SEQRES 31 B 456 GLY GLN GLN PHE ALA GLN MET GLU VAL LYS VAL VAL MET SEQRES 32 B 456 ALA LYS LEU LEU GLN ARG LEU GLU PHE ARG LEU VAL PRO SEQRES 33 B 456 GLY GLN ARG PHE GLY LEU GLN GLU GLN ALA THR LEU LYS SEQRES 34 B 456 PRO LEU ASP PRO VAL LEU CYS THR LEU ARG PRO ARG GLY SEQRES 35 B 456 TRP GLN PRO ALA PRO PRO PRO PRO PRO CYS HIS HIS HIS SEQRES 36 B 456 HIS HET HEM A 505 43 HET CL6 A 506 25 HET HEM B 505 43 HET CL6 B 506 25 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM CL6 1-[(2-CHLOROPHENYL)(DIPHENYL)METHYL]-1H-IMIDAZOLE HETSYN HEM HEME HETSYN CL6 CLOTRIMAZOLE FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 CL6 2(C22 H17 CL N2) FORMUL 7 HOH *484(H2 O) HELIX 1 1 VAL A 59 GLY A 72 1 14 HELIX 2 2 SER A 89 MET A 98 1 10 HELIX 3 3 ASP A 105 GLN A 113 1 9 HELIX 4 4 ASN A 130 ASP A 142 1 13 HELIX 5 5 LEU A 143 PHE A 145 5 3 HELIX 6 6 SER A 146 SER A 152 1 7 HELIX 7 7 LEU A 153 ALA A 170 1 18 HELIX 8 8 MET A 180 GLY A 198 1 19 HELIX 9 9 SER A 202 GLY A 206 5 5 HELIX 10 10 GLN A 208 ASN A 227 1 20 HELIX 11 11 LYS A 236 ARG A 267 1 32 HELIX 12 12 ASP A 274 ALA A 282 1 9 HELIX 13 13 ASP A 289 GLY A 303 1 15 HELIX 14 14 HIS A 304 SER A 319 1 16 HELIX 15 15 GLN A 321 ILE A 336 1 16 HELIX 16 16 ASP A 343 ARG A 349 1 7 HELIX 17 17 LEU A 350 TYR A 364 1 15 HELIX 18 18 THR A 395 ARG A 400 1 6 HELIX 19 19 ASN A 412 GLY A 417 5 6 HELIX 20 20 LEU A 432 SER A 436 5 5 HELIX 21 21 GLY A 439 ARG A 457 1 19 HELIX 22 22 VAL B 59 GLY B 72 1 14 HELIX 23 23 SER B 89 MET B 98 1 10 HELIX 24 24 ASP B 105 GLN B 113 1 9 HELIX 25 25 ASN B 130 ASP B 142 1 13 HELIX 26 26 LEU B 143 PHE B 145 5 3 HELIX 27 27 SER B 146 SER B 152 1 7 HELIX 28 28 LEU B 153 ALA B 170 1 18 HELIX 29 29 MET B 180 GLY B 198 1 19 HELIX 30 30 SER B 202 GLY B 206 5 5 HELIX 31 31 GLN B 208 ASN B 227 1 20 HELIX 32 32 LYS B 236 ARG B 267 1 32 HELIX 33 33 ASP B 274 ALA B 282 1 9 HELIX 34 34 ASP B 289 GLY B 303 1 15 HELIX 35 35 HIS B 304 SER B 319 1 16 HELIX 36 36 GLN B 321 ILE B 336 1 16 HELIX 37 37 ASP B 343 ARG B 349 1 7 HELIX 38 38 LEU B 350 TYR B 364 1 15 HELIX 39 39 THR B 395 ARG B 400 1 6 HELIX 40 40 ASN B 412 GLY B 417 5 6 HELIX 41 41 LEU B 432 SER B 436 5 5 HELIX 42 42 GLY B 439 ARG B 457 1 19 SHEET 1 A 4 VAL A 74 VAL A 79 0 SHEET 2 A 4 LYS A 82 VAL A 87 -1 O ILE A 86 N VAL A 75 SHEET 3 A 4 THR A 389 SER A 394 1 O LEU A 392 N VAL A 85 SHEET 4 A 4 GLY A 369 LEU A 374 -1 N ARG A 372 O LEU A 391 SHEET 1 B 2 THR A 114 VAL A 115 0 SHEET 2 B 2 GLU A 118 ARG A 119 -1 O GLU A 118 N VAL A 115 SHEET 1 C 3 VAL A 178 SER A 179 0 SHEET 2 C 3 LEU A 483 PRO A 488 -1 O CYS A 484 N VAL A 178 SHEET 3 C 3 LEU A 458 LEU A 462 -1 N GLU A 459 O ARG A 487 SHEET 1 D 2 THR A 378 ILE A 380 0 SHEET 2 D 2 VAL A 383 VAL A 385 -1 O VAL A 383 N ILE A 380 SHEET 1 E 2 LEU A 470 GLU A 472 0 SHEET 2 E 2 LEU A 476 PRO A 478 -1 O LYS A 477 N GLN A 471 SHEET 1 F 4 VAL B 74 VAL B 79 0 SHEET 2 F 4 LYS B 82 VAL B 87 -1 O ILE B 86 N VAL B 75 SHEET 3 F 4 THR B 389 SER B 394 1 O LEU B 392 N VAL B 85 SHEET 4 F 4 GLY B 369 LEU B 374 -1 N ARG B 372 O LEU B 391 SHEET 1 G 2 THR B 114 VAL B 115 0 SHEET 2 G 2 GLU B 118 ARG B 119 -1 O GLU B 118 N VAL B 115 SHEET 1 H 3 VAL B 178 SER B 179 0 SHEET 2 H 3 LEU B 483 PRO B 488 -1 O CYS B 484 N VAL B 178 SHEET 3 H 3 LEU B 458 LEU B 462 -1 N GLU B 459 O ARG B 487 SHEET 1 I 2 THR B 378 ILE B 380 0 SHEET 2 I 2 VAL B 383 VAL B 385 -1 O VAL B 383 N ILE B 380 SHEET 1 J 2 LEU B 470 GLU B 472 0 SHEET 2 J 2 LEU B 476 PRO B 478 -1 O LYS B 477 N GLN B 471 LINK SG CYS A 437 FE HEM A 505 1555 1555 2.23 LINK SG CYS B 437 FE HEM B 505 1555 1555 2.18 SITE 1 AC1 26 LYS A 104 TYR A 109 LEU A 125 VAL A 126 SITE 2 AC1 26 TRP A 134 ARG A 138 PHE A 299 ALA A 302 SITE 3 AC1 26 GLY A 303 THR A 306 SER A 307 HIS A 310 SITE 4 AC1 26 ALA A 367 THR A 370 PRO A 429 PHE A 430 SITE 5 AC1 26 ARG A 435 SER A 436 CYS A 437 ILE A 438 SITE 6 AC1 26 PHE A 442 ALA A 443 GLU A 446 CL6 A 506 SITE 7 AC1 26 HOH A 627 HOH A 628 SITE 1 AC2 7 LEU A 112 PHE A 121 VAL A 126 LEU A 219 SITE 2 AC2 7 ILE A 301 THR A 475 HEM A 505 SITE 1 AC3 23 LYS B 104 TYR B 109 LEU B 125 VAL B 126 SITE 2 AC3 23 TRP B 134 ARG B 138 PHE B 299 ALA B 302 SITE 3 AC3 23 GLY B 303 THR B 306 SER B 307 HIS B 310 SITE 4 AC3 23 ALA B 367 THR B 370 PRO B 429 PHE B 430 SITE 5 AC3 23 ARG B 435 CYS B 437 ILE B 438 PHE B 442 SITE 6 AC3 23 CL6 B 506 HOH B 615 HOH B 617 SITE 1 AC4 9 LEU B 112 PHE B 121 LEU B 219 THR B 298 SITE 2 AC4 9 ILE B 301 GLU B 305 ALA B 367 THR B 475 SITE 3 AC4 9 HEM B 505 CRYST1 121.610 121.610 144.610 90.00 90.00 90.00 I 41 16 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 0.008223 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008223 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006915 0.00000