HEADER OXIDOREDUCTASE 26-MAR-04 1SUO TITLE STRUCTURE OF MAMMALIAN CYTOCHROME P450 2B4 WITH BOUND 4-(4- TITLE 2 CHLOROPHENYL)IMIDAZOLE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME P450 2B4; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CYPIIB4, P450-LM2, ISOZYME 2, P450 TYPES B0 AND B1; COMPND 5 EC: 1.14.14.1; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES; COMPND 8 OTHER_DETAILS: CYS 436 BINDS HEME IRON. 4-(4-CHLOROPHENYL)IMIDAZOLE COMPND 9 IS BOUND IN THE ACTIVE SITE COORDINATING TO THE HEME IRON AS THE COMPND 10 SIXTH LIGAND. SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ORYCTOLAGUS CUNICULUS; SOURCE 3 ORGANISM_COMMON: RABBIT; SOURCE 4 ORGANISM_TAXID: 9986; SOURCE 5 GENE: CYP2B4; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: TOPP3; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PKK KEYWDS OXIDOREDUCTASE, MEMBRANE PROTEIN, CYP 2B4, CYP LM2, CYTOCHROME P450, KEYWDS 2 MONOOXYGENASE EXPDTA X-RAY DIFFRACTION AUTHOR E.E.SCOTT,M.A.WHITE,Y.A.HE,E.F.JOHNSON,C.D.STOUT,J.R.HALPERT REVDAT 5 23-AUG-23 1SUO 1 REMARK REVDAT 4 27-OCT-21 1SUO 1 REMARK SEQADV REVDAT 3 14-JUL-09 1SUO 1 CONECT REVDAT 2 24-FEB-09 1SUO 1 VERSN REVDAT 1 20-JUL-04 1SUO 0 JRNL AUTH E.E.SCOTT,M.A.WHITE,Y.A.HE,E.F.JOHNSON,C.D.STOUT,J.R.HALPERT JRNL TITL STRUCTURE OF MAMMALIAN CYTOCHROME P450 2B4 COMPLEXED WITH JRNL TITL 2 4-(4-CHLOROPHENYL)IMIDAZOLE AT 1.9 {ANGSTROM} RESOLUTION: JRNL TITL 3 INSIGHT INTO THE RANGE OF P450 CONFORMATIONS AND JRNL TITL 4 COORDINATION OF REDOX PARTNER BINDING. JRNL REF J.BIOL.CHEM. V. 279 27294 2004 JRNL REFN ISSN 0021-9258 JRNL PMID 15100217 JRNL DOI 10.1074/JBC.M403349200 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH E.E.SCOTT,Y.A.HE,M.R.WESTER,M.A.WHITE,C.C.CHIN,J.R.HALPERT, REMARK 1 AUTH 2 E.F.JOHNSON,C.D.STOUT REMARK 1 TITL AN OPEN CONFORMATION OF MAMMALIAN CYTOCHROME P450 2B4 AT 1.6 REMARK 1 TITL 2 A RESOLUTION REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 100 13196 2003 REMARK 1 REFN ISSN 0027-8424 REMARK 1 DOI 10.1073/PNAS.2133986100 REMARK 1 REFERENCE 2 REMARK 1 AUTH E.E.SCOTT,M.SPATZENEGGER,J.R.HALPERT REMARK 1 TITL A TRUNCATION OF 2B SUBFAMILY CYTOCHROMES P450 YIELDS REMARK 1 TITL 2 INCREASED EXPRESSION LEVELS, INCREASED SOLUBILITY, AND REMARK 1 TITL 3 DECREASED AGGREGATION WHILE RETAINING FUNCTION REMARK 1 REF ARCH.BIOCHEM.BIOPHYS. V. 395 57 2001 REMARK 1 REFN ISSN 0003-9861 REMARK 1 DOI 10.1006/ABBI.2001.2574 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 49.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 638636 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) : 0.215 REMARK 3 FREE R VALUE : 0.239 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.95 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3734 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 55 REMARK 3 SOLVENT ATOMS : 190 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.017 REMARK 3 BOND ANGLES (DEGREES) : 1.800 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1SUO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-MAR-04. REMARK 100 THE DEPOSITION ID IS D_1000022005. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-OCT-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0001 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA, CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 638636 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 49.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 8.900 REMARK 200 R MERGE (I) : 0.07400 REMARK 200 R SYM (I) : 0.07400 REMARK 200 FOR THE DATA SET : 6.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.95 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.00 REMARK 200 R MERGE FOR SHELL (I) : 0.55300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.300 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 1PO5 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 69.92 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.09 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NACL, PEG 10,000, PHOSPHATE-CITRATE PH REMARK 280 4.0, GLYCEROL, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 63 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/2 REMARK 290 6555 X-Y,X,Z+1/2 REMARK 290 7555 Y,X,-Z REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z REMARK 290 10555 -Y,-X,-Z+1/2 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-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 -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 0.00000 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 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 28.19000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 28.19000 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 28.19000 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 28.19000 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 28.19000 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 28.19000 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 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 A1136 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 20 REMARK 465 ALA A 21 REMARK 465 LYS A 22 REMARK 465 LYS A 23 REMARK 465 THR A 24 REMARK 465 SER A 25 REMARK 465 SER A 26 REMARK 465 LYS A 27 REMARK 465 HIS A 493 REMARK 465 HIS A 494 REMARK 465 HIS A 495 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 ALA A 351 CA ALA A 351 CB 0.148 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 PRO A 364 C - N - CA ANGL. DEV. = 11.1 DEGREES REMARK 500 ARG A 443 NE - CZ - NH2 ANGL. DEV. = -3.5 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 LYS A 29 143.34 82.76 REMARK 500 VAL A 39 -64.84 67.55 REMARK 500 ARG A 133 -7.32 -57.08 REMARK 500 ASP A 134 125.44 -178.13 REMARK 500 SER A 430 -161.92 72.74 REMARK 500 CYS A 436 119.14 -32.42 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 436 SG REMARK 620 2 HEM A 500 NA 96.5 REMARK 620 3 HEM A 500 NB 88.6 90.4 REMARK 620 4 HEM A 500 NC 83.7 178.9 90.8 REMARK 620 5 HEM A 500 ND 92.6 89.8 178.8 89.1 REMARK 620 6 CPZ A 600 N1 175.9 85.4 87.7 94.4 91.1 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 CPZ A 600 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1PO5 RELATED DB: PDB REMARK 900 STRUCTURE OF MAMMALIAN CYTOCHROME P450 2B4 REMARK 999 REMARK 999 SEQUENCE AUTHORS INFORMED THAT THE GENBANK SEQUENCE IS THOUGHT REMARK 999 TO CONTAIN A SEQUENCING ERROR AT RESIDUE 221. DBREF 1SUO A 20 491 UNP P00178 CP2B4_RABIT 1 491 SEQADV 1SUO ALA A 21 UNP P00178 GLU 2 ENGINEERED MUTATION SEQADV 1SUO A UNP P00178 PHE 3 DELETION SEQADV 1SUO A UNP P00178 SER 4 DELETION SEQADV 1SUO A UNP P00178 LEU 5 DELETION SEQADV 1SUO A UNP P00178 LEU 6 DELETION SEQADV 1SUO A UNP P00178 LEU 7 DELETION SEQADV 1SUO A UNP P00178 LEU 8 DELETION SEQADV 1SUO A UNP P00178 LEU 9 DELETION SEQADV 1SUO A UNP P00178 ALA 10 DELETION SEQADV 1SUO A UNP P00178 PHE 11 DELETION SEQADV 1SUO A UNP P00178 LEU 12 DELETION SEQADV 1SUO A UNP P00178 ALA 13 DELETION SEQADV 1SUO A UNP P00178 GLY 14 DELETION SEQADV 1SUO A UNP P00178 LEU 15 DELETION SEQADV 1SUO A UNP P00178 LEU 16 DELETION SEQADV 1SUO A UNP P00178 LEU 17 DELETION SEQADV 1SUO A UNP P00178 LEU 18 DELETION SEQADV 1SUO A UNP P00178 LEU 19 DELETION SEQADV 1SUO A UNP P00178 PHE 20 DELETION SEQADV 1SUO A UNP P00178 ARG 21 DELETION SEQADV 1SUO LYS A 22 UNP P00178 GLY 22 ENGINEERED MUTATION SEQADV 1SUO LYS A 23 UNP P00178 HIS 23 ENGINEERED MUTATION SEQADV 1SUO THR A 24 UNP P00178 PRO 24 ENGINEERED MUTATION SEQADV 1SUO SER A 25 UNP P00178 LYS 25 ENGINEERED MUTATION SEQADV 1SUO SER A 26 UNP P00178 ALA 26 ENGINEERED MUTATION SEQADV 1SUO LYS A 27 UNP P00178 HIS 27 ENGINEERED MUTATION SEQADV 1SUO LYS A 29 UNP P00178 ARG 29 ENGINEERED MUTATION SEQADV 1SUO SER A 221 UNP P00178 PRO 221 SEE REMARK 999 SEQADV 1SUO TYR A 226 UNP P00178 HIS 226 ENGINEERED MUTATION SEQADV 1SUO HIS A 492 UNP P00178 EXPRESSION TAG SEQADV 1SUO HIS A 493 UNP P00178 EXPRESSION TAG SEQADV 1SUO HIS A 494 UNP P00178 EXPRESSION TAG SEQADV 1SUO HIS A 495 UNP P00178 EXPRESSION TAG SEQRES 1 A 476 MET ALA LYS LYS THR SER SER LYS GLY LYS LEU PRO PRO SEQRES 2 A 476 GLY PRO SER PRO LEU PRO VAL LEU GLY ASN LEU LEU GLN SEQRES 3 A 476 MET ASP ARG LYS GLY LEU LEU ARG SER PHE LEU ARG LEU SEQRES 4 A 476 ARG GLU LYS TYR GLY ASP VAL PHE THR VAL TYR LEU GLY SEQRES 5 A 476 SER ARG PRO VAL VAL VAL LEU CYS GLY THR ASP ALA ILE SEQRES 6 A 476 ARG GLU ALA LEU VAL ASP GLN ALA GLU ALA PHE SER GLY SEQRES 7 A 476 ARG GLY LYS ILE ALA VAL VAL ASP PRO ILE PHE GLN GLY SEQRES 8 A 476 TYR GLY VAL ILE PHE ALA ASN GLY GLU ARG TRP ARG ALA SEQRES 9 A 476 LEU ARG ARG PHE SER LEU ALA THR MET ARG ASP PHE GLY SEQRES 10 A 476 MET GLY LYS ARG SER VAL GLU GLU ARG ILE GLN GLU GLU SEQRES 11 A 476 ALA ARG CYS LEU VAL GLU GLU LEU ARG LYS SER LYS GLY SEQRES 12 A 476 ALA LEU LEU ASP ASN THR LEU LEU PHE HIS SER ILE THR SEQRES 13 A 476 SER ASN ILE ILE CYS SER ILE VAL PHE GLY LYS ARG PHE SEQRES 14 A 476 ASP TYR LYS ASP PRO VAL PHE LEU ARG LEU LEU ASP LEU SEQRES 15 A 476 PHE PHE GLN SER PHE SER LEU ILE SER SER PHE SER SER SEQRES 16 A 476 GLN VAL PHE GLU LEU PHE SER GLY PHE LEU LYS TYR PHE SEQRES 17 A 476 PRO GLY THR HIS ARG GLN ILE TYR ARG ASN LEU GLN GLU SEQRES 18 A 476 ILE ASN THR PHE ILE GLY GLN SER VAL GLU LYS HIS ARG SEQRES 19 A 476 ALA THR LEU ASP PRO SER ASN PRO ARG ASP PHE ILE ASP SEQRES 20 A 476 VAL TYR LEU LEU ARG MET GLU LYS ASP LYS SER ASP PRO SEQRES 21 A 476 SER SER GLU PHE HIS HIS GLN ASN LEU ILE LEU THR VAL SEQRES 22 A 476 LEU SER LEU PHE PHE ALA GLY THR GLU THR THR SER THR SEQRES 23 A 476 THR LEU ARG TYR GLY PHE LEU LEU MET LEU LYS TYR PRO SEQRES 24 A 476 HIS VAL THR GLU ARG VAL GLN LYS GLU ILE GLU GLN VAL SEQRES 25 A 476 ILE GLY SER HIS ARG PRO PRO ALA LEU ASP ASP ARG ALA SEQRES 26 A 476 LYS MET PRO TYR THR ASP ALA VAL ILE HIS GLU ILE GLN SEQRES 27 A 476 ARG LEU GLY ASP LEU ILE PRO PHE GLY VAL PRO HIS THR SEQRES 28 A 476 VAL THR LYS ASP THR GLN PHE ARG GLY TYR VAL ILE PRO SEQRES 29 A 476 LYS ASN THR GLU VAL PHE PRO VAL LEU SER SER ALA LEU SEQRES 30 A 476 HIS ASP PRO ARG TYR PHE GLU THR PRO ASN THR PHE ASN SEQRES 31 A 476 PRO GLY HIS PHE LEU ASP ALA ASN GLY ALA LEU LYS ARG SEQRES 32 A 476 ASN GLU GLY PHE MET PRO PHE SER LEU GLY LYS ARG ILE SEQRES 33 A 476 CYS LEU GLY GLU GLY ILE ALA ARG THR GLU LEU PHE LEU SEQRES 34 A 476 PHE PHE THR THR ILE LEU GLN ASN PHE SER ILE ALA SER SEQRES 35 A 476 PRO VAL PRO PRO GLU ASP ILE ASP LEU THR PRO ARG GLU SEQRES 36 A 476 SER GLY VAL GLY ASN VAL PRO PRO SER TYR GLN ILE ARG SEQRES 37 A 476 PHE LEU ALA ARG HIS HIS HIS HIS HET HEM A 500 43 HET CPZ A 600 12 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM CPZ 4-(4-CHLOROPHENYL)IMIDAZOLE HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 CPZ C9 H7 CL N2 FORMUL 4 HOH *190(H2 O) HELIX 1 1 ASN A 42 MET A 46 5 5 HELIX 2 2 GLY A 50 GLY A 63 1 14 HELIX 3 3 GLY A 80 VAL A 89 1 10 HELIX 4 4 VAL A 104 GLN A 109 1 6 HELIX 5 5 ASN A 117 ARG A 133 1 17 HELIX 6 6 SER A 141 SER A 160 1 20 HELIX 7 7 ASN A 167 GLY A 185 1 19 HELIX 8 8 ASP A 192 SER A 210 1 19 HELIX 9 9 SER A 211 LYS A 225 1 15 HELIX 10 10 GLY A 229 LEU A 256 1 28 HELIX 11 11 ASP A 263 ASP A 275 1 13 HELIX 12 12 HIS A 284 TYR A 317 1 34 HELIX 13 13 TYR A 317 ILE A 332 1 16 HELIX 14 14 ALA A 339 LYS A 345 5 7 HELIX 15 15 MET A 346 ASP A 361 1 16 HELIX 16 16 VAL A 391 HIS A 397 1 7 HELIX 17 17 ASN A 409 LEU A 414 5 6 HELIX 18 18 LEU A 431 ILE A 435 5 5 HELIX 19 19 GLY A 438 ASN A 456 1 19 HELIX 20 20 PRO A 464 ILE A 468 5 5 SHEET 1 A 5 VAL A 65 LEU A 70 0 SHEET 2 A 5 ARG A 73 LEU A 78 -1 O VAL A 77 N PHE A 66 SHEET 3 A 5 GLU A 387 PRO A 390 1 O GLU A 387 N VAL A 76 SHEET 4 A 5 HIS A 369 THR A 370 -1 N HIS A 369 O VAL A 388 SHEET 5 A 5 GLY A 97 ARG A 98 -1 N GLY A 97 O THR A 370 SHEET 1 B 2 THR A 375 PHE A 377 0 SHEET 2 B 2 TYR A 380 ILE A 382 -1 O ILE A 382 N THR A 375 SHEET 1 C 2 PHE A 457 ALA A 460 0 SHEET 2 C 2 ARG A 487 ALA A 490 -1 O LEU A 489 N SER A 458 SHEET 1 D 2 GLU A 474 SER A 475 0 SHEET 2 D 2 ASN A 479 VAL A 480 -1 O VAL A 480 N GLU A 474 LINK SG CYS A 436 FE HEM A 500 1555 1555 2.25 LINK FE HEM A 500 N1 CPZ A 600 1555 1555 2.14 SITE 1 AC1 20 ARG A 98 VAL A 113 TRP A 121 ARG A 125 SITE 2 AC1 20 ALA A 298 GLY A 299 THR A 302 THR A 303 SITE 3 AC1 20 THR A 306 ILE A 363 HIS A 369 LEU A 392 SITE 4 AC1 20 PRO A 428 PHE A 429 SER A 430 ARG A 434 SITE 5 AC1 20 CYS A 436 GLY A 438 ALA A 442 CPZ A 600 SITE 1 AC2 6 ILE A 101 PHE A 297 ALA A 298 GLU A 301 SITE 2 AC2 6 THR A 302 HEM A 500 CRYST1 233.386 233.386 56.380 90.00 90.00 120.00 P 63 2 2 12 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 0.004285 0.002474 0.000000 0.00000 SCALE2 0.000000 0.004948 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017737 0.00000