HEADER OXIDOREDUCTASE 28-AUG-13 4MGJ TITLE CRYSTAL STRUCTURE OF CYTOCHROME P450 2B4 F429H IN COMPLEX WITH 4-CPI COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME P450 2B4; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CYPIIB4, CYTOCHROME P450 ISOZYME 2, CYTOCHROME P450 LM2, COMPND 5 CYTOCHROME P450 TYPE B0, CYTOCHROME P450 TYPE B1; COMPND 6 EC: 1.14.14.1; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ORYCTOLAGUS CUNICULUS; SOURCE 3 ORGANISM_COMMON: EUROPEAN RABBIT,JAPANESE WHITE RABBIT,DOMESTIC SOURCE 4 RABBIT,RABBITS; SOURCE 5 ORGANISM_TAXID: 9986; SOURCE 6 GENE: CYP2B4; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PLW01 KEYWDS P450 FOLD, CLOSED CONFORMATION, 4-CPI BINDING, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.YANG,H.ZHANG,D.USHARANI,W.BU,S.IM,M.TARASEV,F.RWERE,J.MEAGHER, AUTHOR 2 C.SUN,J.STUCKEY,S.SHAIK,L.WASKELL REVDAT 3 28-FEB-24 4MGJ 1 REMARK SEQADV LINK REVDAT 2 24-SEP-14 4MGJ 1 JRNL REVDAT 1 13-AUG-14 4MGJ 0 JRNL AUTH Y.YANG,H.ZHANG,D.USHARANI,W.BU,S.IM,M.TARASEV,F.RWERE, JRNL AUTH 2 N.M.PEARL,J.MEAGHER,C.SUN,J.STUCKEY,S.SHAIK,L.WASKELL JRNL TITL STRUCTURAL AND FUNCTIONAL CHARACTERIZATION OF A CYTOCHROME JRNL TITL 2 P450 2B4 F429H MUTANT WITH AN AXIAL THIOLATE-HISTIDINE JRNL TITL 3 HYDROGEN BOND. JRNL REF BIOCHEMISTRY V. 53 5080 2014 JRNL REFN ISSN 0006-2960 JRNL PMID 25029089 JRNL DOI 10.1021/BI5003794 REMARK 2 REMARK 2 RESOLUTION. 2.41 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.10.0 REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN, REMARK 3 : WOMACK,MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.41 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.31 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 3 NUMBER OF REFLECTIONS : 25612 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) : 0.222 REMARK 3 R VALUE (WORKING SET) : 0.219 REMARK 3 FREE R VALUE : 0.248 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.070 REMARK 3 FREE R VALUE TEST SET COUNT : 2860 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 : 14 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 2.41 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 2.50 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.72 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 2919 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.2686 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2622 REMARK 3 BIN R VALUE (WORKING SET) : 0.2643 REMARK 3 BIN FREE R VALUE : 0.3065 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.17 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 297 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 : 3634 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 55 REMARK 3 SOLVENT ATOMS : 106 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 65.66 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 75.18 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.29270 REMARK 3 B22 (A**2) : -1.29270 REMARK 3 B33 (A**2) : 2.58530 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) : 0.485 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : NULL REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : NULL REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : NULL REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : NULL REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.939 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.918 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 7462 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 13487 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 2018 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : 81 ; 2.000 ; HARMONIC REMARK 3 GENERAL PLANES : 1094 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 7462 ; 20.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : NULL ; NULL ; NULL REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 475 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : 7887 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 0.97 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 3.02 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 2.94 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: { A|28 - A|491 A|501 - A|502 } REMARK 3 ORIGIN FOR THE GROUP (A): 40.5353 -5.7275 6.5375 REMARK 3 T TENSOR REMARK 3 T11: 0.0715 T22: 0.0136 REMARK 3 T33: -0.0461 T12: -0.2538 REMARK 3 T13: 0.0731 T23: -0.1194 REMARK 3 L TENSOR REMARK 3 L11: 0.7921 L22: 0.8135 REMARK 3 L33: 0.0039 L12: 0.2188 REMARK 3 L13: -0.3390 L23: -0.4140 REMARK 3 S TENSOR REMARK 3 S11: 0.0393 S12: -0.0838 S13: 0.0580 REMARK 3 S21: -0.0623 S22: -0.1238 S23: 0.1040 REMARK 3 S31: -0.0148 S32: 0.0847 S33: 0.0845 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4MGJ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-AUG-13. REMARK 100 THE DEPOSITION ID IS D_1000081882. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-NOV-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X29A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.075 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 27822 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.7 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 63.33 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.35 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M MAGNESIUM ACETATE, 0.1 M SODIUM REMARK 280 CACODYLATE, 10-10% PEG 3350, PH 6.5, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 277K 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 50.12667 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 100.25333 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 100.25333 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 50.12667 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 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 ASP A 47 REMARK 465 ARG A 48 REMARK 465 LYS A 49 REMARK 465 GLY A 50 REMARK 465 LEU A 51 REMARK 465 LEU A 52 REMARK 465 ARG A 53 REMARK 465 SER A 54 REMARK 465 GLY A 136 REMARK 465 MET A 137 REMARK 465 GLY A 138 REMARK 465 LYS A 139 REMARK 465 HIS A 492 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: 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 70 55.43 -94.40 REMARK 500 SER A 210 46.71 -85.31 REMARK 500 ASN A 260 61.04 -154.60 REMARK 500 HIS A 335 -64.36 -95.68 REMARK 500 ILE A 363 79.42 -116.32 REMARK 500 SER A 430 -161.63 62.33 REMARK 500 ILE A 435 136.98 -37.77 REMARK 500 CYS A 436 123.17 -35.00 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 436 SG REMARK 620 2 HEM A 501 NA 98.2 REMARK 620 3 HEM A 501 NB 84.7 87.5 REMARK 620 4 HEM A 501 NC 82.6 178.0 90.7 REMARK 620 5 HEM A 501 ND 93.0 94.4 177.3 87.4 REMARK 620 6 CPZ A 502 N1 178.5 82.8 94.2 96.4 88.0 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 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CPZ A 502 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4MGL RELATED DB: PDB REMARK 900 RELATED ID: 4MGO RELATED DB: PDB REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE SEGMENT INDICATED AS EXPRESSION TAG HAS BEEN INTRODUCED TO REMARK 999 IMPROVE THE SOLUBILITY OF THE PROTEIN CHAIN DBREF 4MGJ A 30 491 UNP P00178 CP2B4_RABIT 30 491 SEQADV 4MGJ MET A 20 UNP P00178 INITIATING METHIONINE SEQADV 4MGJ ALA A 21 UNP P00178 EXPRESSION TAG SEQADV 4MGJ LYS A 22 UNP P00178 EXPRESSION TAG SEQADV 4MGJ LYS A 23 UNP P00178 EXPRESSION TAG SEQADV 4MGJ THR A 24 UNP P00178 EXPRESSION TAG SEQADV 4MGJ SER A 25 UNP P00178 EXPRESSION TAG SEQADV 4MGJ SER A 26 UNP P00178 EXPRESSION TAG SEQADV 4MGJ LYS A 27 UNP P00178 EXPRESSION TAG SEQADV 4MGJ GLY A 28 UNP P00178 EXPRESSION TAG SEQADV 4MGJ LYS A 29 UNP P00178 EXPRESSION TAG SEQADV 4MGJ TYR A 226 UNP P00178 HIS 226 ENGINEERED MUTATION SEQADV 4MGJ HIS A 429 UNP P00178 PHE 429 ENGINEERED MUTATION SEQADV 4MGJ HIS A 492 UNP P00178 EXPRESSION TAG SEQADV 4MGJ HIS A 493 UNP P00178 EXPRESSION TAG SEQADV 4MGJ HIS A 494 UNP P00178 EXPRESSION TAG SEQADV 4MGJ 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 PRO 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 HIS 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 501 43 HET CPZ A 502 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 *106(H2 O) HELIX 1 1 ASN A 42 MET A 46 5 5 HELIX 2 2 LEU A 58 GLY A 63 1 6 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 TYR A 111 ALA A 116 1 6 HELIX 6 6 ASN A 117 PHE A 135 1 19 HELIX 7 7 SER A 141 LYS A 161 1 21 HELIX 8 8 ASN A 167 GLY A 185 1 19 HELIX 9 9 ASP A 192 SER A 210 1 19 HELIX 10 10 SER A 211 PHE A 220 1 10 HELIX 11 11 PHE A 220 LYS A 225 1 6 HELIX 12 12 GLY A 229 THR A 255 1 27 HELIX 13 13 ASP A 263 ASP A 275 1 13 HELIX 14 14 LYS A 276 ASP A 278 5 3 HELIX 15 15 HIS A 284 THR A 300 1 17 HELIX 16 16 THR A 300 TYR A 317 1 18 HELIX 17 17 TYR A 317 ILE A 332 1 16 HELIX 18 18 ALA A 339 LYS A 345 5 7 HELIX 19 19 MET A 346 ASP A 361 1 16 HELIX 20 20 VAL A 391 HIS A 397 1 7 HELIX 21 21 ASN A 409 LEU A 414 5 6 HELIX 22 22 GLY A 438 ASN A 456 1 19 HELIX 23 23 PRO A 464 ILE A 468 5 5 SHEET 1 A 5 VAL A 65 TYR A 69 0 SHEET 2 A 5 PRO A 74 LEU A 78 -1 O VAL A 75 N VAL A 68 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 TYR A 380 N PHE A 377 SHEET 1 C 2 PHE A 457 ALA A 460 0 SHEET 2 C 2 ARG A 487 ALA A 490 -1 O ARG A 487 N ALA A 460 LINK SG CYS A 436 FE HEM A 501 1555 1555 2.48 LINK FE HEM A 501 N1 CPZ A 502 1555 1555 2.19 SITE 1 AC1 21 ARG A 98 VAL A 113 ILE A 114 TRP A 121 SITE 2 AC1 21 ARG A 125 MET A 132 ALA A 298 GLY A 299 SITE 3 AC1 21 THR A 303 THR A 306 ILE A 363 VAL A 367 SITE 4 AC1 21 HIS A 369 LEU A 392 PRO A 428 HIS A 429 SITE 5 AC1 21 SER A 430 ARG A 434 CYS A 436 GLY A 438 SITE 6 AC1 21 CPZ A 502 SITE 1 AC2 6 ILE A 101 PHE A 297 ALA A 298 THR A 302 SITE 2 AC2 6 VAL A 477 HEM A 501 CRYST1 91.490 91.490 150.380 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 0.010930 0.006311 0.000000 0.00000 SCALE2 0.000000 0.012621 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006650 0.00000