HEADER OXIDOREDUCTASE 05-MAY-03 1P7R TITLE CRYSTAL STRUCTURE OF REDUCED, CO-EXPOSED COMPLEX OF CYTOCHROME P450CAM TITLE 2 WITH (S)-(-)-NICOTINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME P450-CAM; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CAMPHOR 5-MONOOXYGENASE, P450CAM; COMPND 5 EC: 1.14.15.1; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PSEUDOMONAS PUTIDA; SOURCE 3 ORGANISM_TAXID: 303; SOURCE 4 GENE: CAMC OR CYP101; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: DH5ALPHA; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PBLUESCRIPT KEYWDS OXIDOREDUCTASE, MONOOXYGENASE, HEME, NICOTINE EXPDTA X-RAY DIFFRACTION AUTHOR M.STRICKLER,B.M.GOLDSTEIN,K.MAXFIELD,L.SHIREMAN,G.KIM,D.MATTESON, AUTHOR 2 J.P.JONES REVDAT 3 14-FEB-24 1P7R 1 REMARK SEQADV HETSYN LINK REVDAT 2 24-FEB-09 1P7R 1 VERSN REVDAT 1 28-OCT-03 1P7R 0 JRNL AUTH M.STRICKLER,B.M.GOLDSTEIN,K.MAXFIELD,L.SHIREMAN,G.KIM, JRNL AUTH 2 D.MATTESON,J.P.JONES JRNL TITL CRYSTALLOGRAPHIC STUDIES ON THE COMPLEX BEHAVIOR OF NICOTINE JRNL TITL 2 BINDING TO P450CAM (CYP101)(DAGGER). JRNL REF BIOCHEMISTRY V. 42 11943 2003 JRNL REFN ISSN 0006-2960 JRNL PMID 14556625 JRNL DOI 10.1021/BI034833O REMARK 2 REMARK 2 RESOLUTION. 2.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.38 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 201929.590 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 79.1 REMARK 3 NUMBER OF REFLECTIONS : 10026 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 SET) : 0.238 REMARK 3 FREE R VALUE : 0.284 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.300 REMARK 3 FREE R VALUE TEST SET COUNT : 1037 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.009 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.85 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.03 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 71.20 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1321 REMARK 3 BIN R VALUE (WORKING SET) : 0.3450 REMARK 3 BIN FREE R VALUE : 0.4080 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 146 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.034 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3227 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 55 REMARK 3 SOLVENT ATOMS : 25 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 34.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -8.54000 REMARK 3 B22 (A**2) : -8.54000 REMARK 3 B33 (A**2) : 17.09000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.38 REMARK 3 ESD FROM SIGMAA (A) : 0.50 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.46 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.56 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.067 REMARK 3 BOND ANGLES (DEGREES) : 2.800 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.190 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.030 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.750 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.390 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.190 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.28 REMARK 3 BSOL : 10.00 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_S_NOVDW_REP.PARAM REMARK 3 PARAMETER FILE 2 : HEME19X_NOVDW_FEBONDS.PARAM REMARK 3 PARAMETER FILE 3 : NICOTINE_NOVDW.PARAM REMARK 3 PARAMETER FILE 4 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : HEMEIII_FEBONDS.TOP REMARK 3 TOPOLOGY FILE 3 : NICOTINE_NEW.TOP REMARK 3 TOPOLOGY FILE 4 : WATER_REP.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 1P7R COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-MAY-03. REMARK 100 THE DEPOSITION ID IS D_1000019113. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-JUN-97 REMARK 200 TEMPERATURE (KELVIN) : 103 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : YALE MIRRORS REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS II REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10395 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.850 REMARK 200 RESOLUTION RANGE LOW (A) : 28.380 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 80.9 REMARK 200 DATA REDUNDANCY : 12.90 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07500 REMARK 200 FOR THE DATA SET : 12.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.87 REMARK 200 COMPLETENESS FOR SHELL (%) : 70.1 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.39200 REMARK 200 FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.16 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.70 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, POTASSIUM PHOSPHATE, REMARK 280 POTASSIUM CHLORIDE, DITHIOTHREITOL, NICOTINE, PH 7.0, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 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+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 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 124.37950 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 31.72750 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 31.72750 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 186.56925 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 31.72750 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 31.72750 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 62.18975 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 31.72750 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 31.72750 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 186.56925 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 31.72750 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 31.72750 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 62.18975 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 124.37950 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 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 THR A 1 REMARK 465 THR A 2 REMARK 465 GLU A 3 REMARK 465 THR A 4 REMARK 465 ILE A 5 REMARK 465 GLN A 6 REMARK 465 SER A 7 REMARK 465 ASN A 8 REMARK 465 ALA A 9 REMARK 465 HIS A 417 REMARK 465 HIS A 418 REMARK 465 HIS A 419 REMARK 465 HIS A 420 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 GLU A 276 CD GLU A 276 OE2 0.082 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 25 59.34 -65.76 REMARK 500 ASN A 30 59.64 -167.55 REMARK 500 ASN A 33 35.30 -92.81 REMARK 500 ASP A 97 25.18 -141.53 REMARK 500 CYS A 148 159.73 177.26 REMARK 500 TYR A 154 -50.35 -144.68 REMARK 500 THR A 252 -74.24 -122.17 REMARK 500 PRO A 321 109.15 -51.08 REMARK 500 PRO A 335 -57.51 -29.75 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 430 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 357 SG REMARK 620 2 HEM A 430 NA 91.0 REMARK 620 3 HEM A 430 NB 84.3 89.1 REMARK 620 4 HEM A 430 NC 88.9 179.0 91.9 REMARK 620 5 HEM A 430 ND 90.5 88.2 174.2 90.8 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 430 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCT A 440 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1P2Y RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CYTOCHROME P450CAM IN COMPLEX WITH (S)-(-)- REMARK 900 NICOTINE DBREF 1P7R A 1 414 UNP P00183 CPXA_PSEPU 1 414 SEQADV 1P7R HIS A 415 UNP P00183 EXPRESSION TAG SEQADV 1P7R HIS A 416 UNP P00183 EXPRESSION TAG SEQADV 1P7R HIS A 417 UNP P00183 EXPRESSION TAG SEQADV 1P7R HIS A 418 UNP P00183 EXPRESSION TAG SEQADV 1P7R HIS A 419 UNP P00183 EXPRESSION TAG SEQADV 1P7R HIS A 420 UNP P00183 EXPRESSION TAG SEQRES 1 A 420 THR THR GLU THR ILE GLN SER ASN ALA ASN LEU ALA PRO SEQRES 2 A 420 LEU PRO PRO HIS VAL PRO GLU HIS LEU VAL PHE ASP PHE SEQRES 3 A 420 ASP MET TYR ASN PRO SER ASN LEU SER ALA GLY VAL GLN SEQRES 4 A 420 GLU ALA TRP ALA VAL LEU GLN GLU SER ASN VAL PRO ASP SEQRES 5 A 420 LEU VAL TRP THR ARG CYS ASN GLY GLY HIS TRP ILE ALA SEQRES 6 A 420 THR ARG GLY GLN LEU ILE ARG GLU ALA TYR GLU ASP TYR SEQRES 7 A 420 ARG HIS PHE SER SER GLU CYS PRO PHE ILE PRO ARG GLU SEQRES 8 A 420 ALA GLY GLU ALA TYR ASP PHE ILE PRO THR SER MET ASP SEQRES 9 A 420 PRO PRO GLU GLN ARG GLN PHE ARG ALA LEU ALA ASN GLN SEQRES 10 A 420 VAL VAL GLY MET PRO VAL VAL ASP LYS LEU GLU ASN ARG SEQRES 11 A 420 ILE GLN GLU LEU ALA CYS SER LEU ILE GLU SER LEU ARG SEQRES 12 A 420 PRO GLN GLY GLN CYS ASN PHE THR GLU ASP TYR ALA GLU SEQRES 13 A 420 PRO PHE PRO ILE ARG ILE PHE MET LEU LEU ALA GLY LEU SEQRES 14 A 420 PRO GLU GLU ASP ILE PRO HIS LEU LYS TYR LEU THR ASP SEQRES 15 A 420 GLN MET THR ARG PRO ASP GLY SER MET THR PHE ALA GLU SEQRES 16 A 420 ALA LYS GLU ALA LEU TYR ASP TYR LEU ILE PRO ILE ILE SEQRES 17 A 420 GLU GLN ARG ARG GLN LYS PRO GLY THR ASP ALA ILE SER SEQRES 18 A 420 ILE VAL ALA ASN GLY GLN VAL ASN GLY ARG PRO ILE THR SEQRES 19 A 420 SER ASP GLU ALA LYS ARG MET CYS GLY LEU LEU LEU VAL SEQRES 20 A 420 GLY GLY LEU ASP THR VAL VAL ASN PHE LEU SER PHE SER SEQRES 21 A 420 MET GLU PHE LEU ALA LYS SER PRO GLU HIS ARG GLN GLU SEQRES 22 A 420 LEU ILE GLU ARG PRO GLU ARG ILE PRO ALA ALA CYS GLU SEQRES 23 A 420 GLU LEU LEU ARG ARG PHE SER LEU VAL ALA ASP GLY ARG SEQRES 24 A 420 ILE LEU THR SER ASP TYR GLU PHE HIS GLY VAL GLN LEU SEQRES 25 A 420 LYS LYS GLY ASP GLN ILE LEU LEU PRO GLN MET LEU SER SEQRES 26 A 420 GLY LEU ASP GLU ARG GLU ASN ALA CYS PRO MET HIS VAL SEQRES 27 A 420 ASP PHE SER ARG GLN LYS VAL SER HIS THR THR PHE GLY SEQRES 28 A 420 HIS GLY SER HIS LEU CYS LEU GLY GLN HIS LEU ALA ARG SEQRES 29 A 420 ARG GLU ILE ILE VAL THR LEU LYS GLU TRP LEU THR ARG SEQRES 30 A 420 ILE PRO ASP PHE SER ILE ALA PRO GLY ALA GLN ILE GLN SEQRES 31 A 420 HIS LYS SER GLY ILE VAL SER GLY VAL GLN ALA LEU PRO SEQRES 32 A 420 LEU VAL TRP ASP PRO ALA THR THR LYS ALA VAL HIS HIS SEQRES 33 A 420 HIS HIS HIS HIS HET HEM A 430 43 HET NCT A 440 12 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM NCT (S)-3-(1-METHYLPYRROLIDIN-2-YL)PYRIDINE HETSYN HEM HEME HETSYN NCT (S)-(-)-NICOTINE; 3-[(2S)-1-METHYL-2-PYRROLIDINYL] HETSYN 2 NCT PYRIDINE FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 NCT C10 H14 N2 FORMUL 4 HOH *25(H2 O) HELIX 1 1 PRO A 19 VAL A 23 5 5 HELIX 2 2 ASN A 33 ALA A 36 5 4 HELIX 3 3 GLY A 37 VAL A 44 1 8 HELIX 4 4 LEU A 45 GLU A 47 5 3 HELIX 5 5 ARG A 57 GLY A 61 5 5 HELIX 6 6 ARG A 67 ASP A 77 1 11 HELIX 7 7 PRO A 89 TYR A 96 1 8 HELIX 8 8 GLN A 108 GLY A 120 1 13 HELIX 9 9 GLY A 120 ARG A 143 1 24 HELIX 10 10 PHE A 150 TYR A 154 1 5 HELIX 11 11 GLU A 156 ALA A 167 1 12 HELIX 12 12 PRO A 170 GLU A 172 5 3 HELIX 13 13 ASP A 173 ARG A 186 1 14 HELIX 14 14 THR A 192 LYS A 214 1 23 HELIX 15 15 ASP A 218 ASN A 225 1 8 HELIX 16 16 THR A 234 THR A 252 1 19 HELIX 17 17 THR A 252 LYS A 266 1 15 HELIX 18 18 SER A 267 ARG A 277 1 11 HELIX 19 19 ARG A 280 PHE A 292 1 13 HELIX 20 20 LEU A 324 ASP A 328 5 5 HELIX 21 21 HIS A 352 LEU A 356 5 5 HELIX 22 22 GLY A 359 THR A 376 1 18 HELIX 23 23 ASP A 407 THR A 411 5 5 SHEET 1 A 5 LEU A 53 THR A 56 0 SHEET 2 A 5 HIS A 62 ALA A 65 -1 O ILE A 64 N VAL A 54 SHEET 3 A 5 GLN A 317 LEU A 319 1 O LEU A 319 N TRP A 63 SHEET 4 A 5 GLY A 298 LEU A 301 -1 N ARG A 299 O ILE A 318 SHEET 5 A 5 PHE A 81 SER A 82 -1 N SER A 82 O ILE A 300 SHEET 1 B 3 GLN A 147 ASN A 149 0 SHEET 2 B 3 PRO A 403 VAL A 405 -1 O LEU A 404 N CYS A 148 SHEET 3 B 3 SER A 382 ILE A 383 -1 N SER A 382 O VAL A 405 SHEET 1 C 2 GLN A 227 VAL A 228 0 SHEET 2 C 2 ARG A 231 PRO A 232 -1 O ARG A 231 N VAL A 228 SHEET 1 D 2 TYR A 305 PHE A 307 0 SHEET 2 D 2 VAL A 310 LEU A 312 -1 O VAL A 310 N PHE A 307 SHEET 1 E 2 HIS A 391 LYS A 392 0 SHEET 2 E 2 GLY A 398 VAL A 399 -1 O GLY A 398 N LYS A 392 LINK SG CYS A 357 FE HEM A 430 1555 1555 2.36 CISPEP 1 ILE A 88 PRO A 89 0 0.03 CISPEP 2 ILE A 99 PRO A 100 0 0.48 CISPEP 3 PRO A 105 PRO A 106 0 -0.06 SITE 1 AC1 17 PRO A 100 THR A 101 GLN A 108 ARG A 112 SITE 2 AC1 17 LEU A 244 GLY A 248 THR A 252 ASP A 297 SITE 3 AC1 17 ARG A 299 GLN A 322 THR A 349 PHE A 350 SITE 4 AC1 17 GLY A 351 SER A 354 HIS A 355 CYS A 357 SITE 5 AC1 17 NCT A 440 SITE 1 AC2 3 TYR A 96 THR A 185 HEM A 430 CRYST1 63.455 63.455 248.759 90.00 90.00 90.00 P 43 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 0.015758 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015758 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004020 0.00000