HEADER OXIDOREDUCTASE 18-JUN-07 2QBN TITLE CRYSTAL STRUCTURE OF FERRIC G248V CYTOCHROME P450CAM 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; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PSEUDOMONAS PUTIDA; SOURCE 3 ORGANISM_TAXID: 303; SOURCE 4 GENE: CAMC, CYP101; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET28 KEYWDS CYP101, MUTANT, CONSERVED ACTIVE SITE RESIDUE, GLY248, HEME GEOMETRY, KEYWDS 2 OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR K.VON KOENIG,T.M.MAKRIS,S.D.SLIGAR,I.SCHLICHTING REVDAT 5 30-AUG-23 2QBN 1 REMARK REVDAT 4 20-OCT-21 2QBN 1 REMARK SEQADV LINK REVDAT 3 18-OCT-17 2QBN 1 REMARK REVDAT 2 24-FEB-09 2QBN 1 VERSN REVDAT 1 25-DEC-07 2QBN 0 JRNL AUTH T.M.MAKRIS,K.V.KOENIG,I.SCHLICHTING,S.G.SLIGAR JRNL TITL ALTERATION OF P450 DISTAL POCKET SOLVENT LEADS TO IMPAIRED JRNL TITL 2 PROTON DELIVERY AND CHANGES IN HEME GEOMETRY. JRNL REF BIOCHEMISTRY V. 46 14129 2007 JRNL REFN ISSN 0006-2960 JRNL PMID 18001135 JRNL DOI 10.1021/BI7013695 REMARK 2 REMARK 2 RESOLUTION. 1.75 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 : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.4 REMARK 3 NUMBER OF REFLECTIONS : 50595 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) : 0.196 REMARK 3 FREE R VALUE : 0.223 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 2502 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) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL 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 : 3210 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 55 REMARK 3 SOLVENT ATOMS : 384 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.16 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.12600 REMARK 3 B22 (A**2) : 1.12600 REMARK 3 B33 (A**2) : -2.25100 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) : 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) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : NULL 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) : 1.173 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.708 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.068 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.079 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 48.97 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 : CNS_TOPPAR:PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : PARAM19X_P450_WEAK_3+.HEME REMARK 3 PARAMETER FILE 3 : CAM.PAR REMARK 3 PARAMETER FILE 4 : CNS_TOPPAR:WATER_REP.PARAM REMARK 3 PARAMETER FILE 5 : CNS_TOPPAR:ION.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : CNS_TOPPAR:PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : TOPH19X_P450_FE3+.HEM REMARK 3 TOPOLOGY FILE 3 : CAM.TOP REMARK 3 TOPOLOGY FILE 4 : CNS_TOPPAR:WATER.TOP REMARK 3 TOPOLOGY FILE 5 : CNS_TOPPAR:ION.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2QBN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-JUN-07. REMARK 100 THE DEPOSITION ID IS D_1000043395. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-OCT-05 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 : SLS REMARK 200 BEAMLINE : X10SA REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9495 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : DYNAMICALLY BENDABLE MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 50595 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.0 REMARK 200 DATA REDUNDANCY : 3.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06800 REMARK 200 FOR THE DATA SET : 12.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.85 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.90 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.32400 REMARK 200 FOR SHELL : 4.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1YRC REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.63 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1 UL OF 15 MG/ML P450 IN 50 MM REMARK 280 POTASSIUM PHOSPHATE, 250 MM KCL WERE MIXED WITH AN EQUAL VOLUME REMARK 280 OF THE RESERVOIR SOLUTION (100 MM TRIS, 250 MM KCL, 27-30% PEG REMARK 280 8000, 100 MM DTE), PH 7.4, VAPOR DIFFUSION, SITTING DROP, REMARK 280 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 121.07000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 31.96000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 31.96000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 181.60500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 31.96000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 31.96000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 60.53500 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 31.96000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 31.96000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 181.60500 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 31.96000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 31.96000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 60.53500 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 121.07000 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 MET A 0 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 415 REMARK 465 HIS A 416 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: 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 ASN A 30 66.85 -161.45 REMARK 500 TYR A 154 -54.70 -147.43 REMARK 500 ASP A 251 33.85 -140.92 REMARK 500 THR A 252 -79.02 -121.82 REMARK 500 ASP A 297 -164.32 -123.88 REMARK 500 PRO A 321 104.81 -54.50 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 K A 440 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 84 O REMARK 620 2 GLY A 93 O 84.6 REMARK 620 3 GLU A 94 O 154.9 77.0 REMARK 620 4 TYR A 96 O 100.9 84.5 94.3 REMARK 620 5 HOH A 672 O 83.9 97.5 81.7 174.9 REMARK 620 6 HOH A 789 O 101.7 169.4 99.2 86.0 91.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 441 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 357 SG REMARK 620 2 HEM A 441 NA 100.7 REMARK 620 3 HEM A 441 NB 92.0 90.9 REMARK 620 4 HEM A 441 NC 90.4 168.8 89.3 REMARK 620 5 HEM A 441 ND 102.2 88.9 165.5 88.1 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 K A 440 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 441 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CAM A 442 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2QBM RELATED DB: PDB REMARK 900 THE SAME PROTEIN IN THE CYANIDE BOUND STATE REMARK 900 RELATED ID: 2QBL RELATED DB: PDB REMARK 900 A SIMILAR MUTANT PROTEIN (P450CAM G248T) IN THE FERRIC STATE REMARK 900 RELATED ID: 2QBO RELATED DB: PDB REMARK 900 A SIMILAR MUTANT PROTEIN (P450CAM G248T) IN THE CYANIDE BOUND STATE DBREF 2QBN A 0 414 UNP P00183 CPXA_PSEPU 1 415 SEQADV 2QBN VAL A 248 UNP P00183 GLY 249 ENGINEERED MUTATION SEQADV 2QBN HIS A 415 UNP P00183 EXPRESSION TAG SEQADV 2QBN HIS A 416 UNP P00183 EXPRESSION TAG SEQADV 2QBN HIS A 417 UNP P00183 EXPRESSION TAG SEQADV 2QBN HIS A 418 UNP P00183 EXPRESSION TAG SEQADV 2QBN HIS A 419 UNP P00183 EXPRESSION TAG SEQADV 2QBN HIS A 420 UNP P00183 EXPRESSION TAG SEQRES 1 A 421 MET THR THR GLU THR ILE GLN SER ASN ALA ASN LEU ALA SEQRES 2 A 421 PRO LEU PRO PRO HIS VAL PRO GLU HIS LEU VAL PHE ASP SEQRES 3 A 421 PHE ASP MET TYR ASN PRO SER ASN LEU SER ALA GLY VAL SEQRES 4 A 421 GLN GLU ALA TRP ALA VAL LEU GLN GLU SER ASN VAL PRO SEQRES 5 A 421 ASP LEU VAL TRP THR ARG CYS ASN GLY GLY HIS TRP ILE SEQRES 6 A 421 ALA THR ARG GLY GLN LEU ILE ARG GLU ALA TYR GLU ASP SEQRES 7 A 421 TYR ARG HIS PHE SER SER GLU CYS PRO PHE ILE PRO ARG SEQRES 8 A 421 GLU ALA GLY GLU ALA TYR ASP PHE ILE PRO THR SER MET SEQRES 9 A 421 ASP PRO PRO GLU GLN ARG GLN PHE ARG ALA LEU ALA ASN SEQRES 10 A 421 GLN VAL VAL GLY MET PRO VAL VAL ASP LYS LEU GLU ASN SEQRES 11 A 421 ARG ILE GLN GLU LEU ALA CYS SER LEU ILE GLU SER LEU SEQRES 12 A 421 ARG PRO GLN GLY GLN CYS ASN PHE THR GLU ASP TYR ALA SEQRES 13 A 421 GLU PRO PHE PRO ILE ARG ILE PHE MET LEU LEU ALA GLY SEQRES 14 A 421 LEU PRO GLU GLU ASP ILE PRO HIS LEU LYS TYR LEU THR SEQRES 15 A 421 ASP GLN MET THR ARG PRO ASP GLY SER MET THR PHE ALA SEQRES 16 A 421 GLU ALA LYS GLU ALA LEU TYR ASP TYR LEU ILE PRO ILE SEQRES 17 A 421 ILE GLU GLN ARG ARG GLN LYS PRO GLY THR ASP ALA ILE SEQRES 18 A 421 SER ILE VAL ALA ASN GLY GLN VAL ASN GLY ARG PRO ILE SEQRES 19 A 421 THR SER ASP GLU ALA LYS ARG MET CYS GLY LEU LEU LEU SEQRES 20 A 421 VAL VAL GLY LEU ASP THR VAL VAL ASN PHE LEU SER PHE SEQRES 21 A 421 SER MET GLU PHE LEU ALA LYS SER PRO GLU HIS ARG GLN SEQRES 22 A 421 GLU LEU ILE GLU ARG PRO GLU ARG ILE PRO ALA ALA CYS SEQRES 23 A 421 GLU GLU LEU LEU ARG ARG PHE SER LEU VAL ALA ASP GLY SEQRES 24 A 421 ARG ILE LEU THR SER ASP TYR GLU PHE HIS GLY VAL GLN SEQRES 25 A 421 LEU LYS LYS GLY ASP GLN ILE LEU LEU PRO GLN MET LEU SEQRES 26 A 421 SER GLY LEU ASP GLU ARG GLU ASN ALA CYS PRO MET HIS SEQRES 27 A 421 VAL ASP PHE SER ARG GLN LYS VAL SER HIS THR THR PHE SEQRES 28 A 421 GLY HIS GLY SER HIS LEU CYS LEU GLY GLN HIS LEU ALA SEQRES 29 A 421 ARG ARG GLU ILE ILE VAL THR LEU LYS GLU TRP LEU THR SEQRES 30 A 421 ARG ILE PRO ASP PHE SER ILE ALA PRO GLY ALA GLN ILE SEQRES 31 A 421 GLN HIS LYS SER GLY ILE VAL SER GLY VAL GLN ALA LEU SEQRES 32 A 421 PRO LEU VAL TRP ASP PRO ALA THR THR LYS ALA VAL HIS SEQRES 33 A 421 HIS HIS HIS HIS HIS HET K A 440 1 HET HEM A 441 43 HET CAM A 442 11 HETNAM K POTASSIUM ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM CAM CAMPHOR HETSYN HEM HEME FORMUL 2 K K 1+ FORMUL 3 HEM C34 H32 FE N4 O4 FORMUL 4 CAM C10 H16 O FORMUL 5 HOH *384(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 ALA A 43 1 7 HELIX 4 4 VAL A 44 GLU A 47 5 4 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 GLU A 107 GLY A 120 1 14 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 GLY A 168 1 13 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 ASP A 251 1 18 HELIX 17 17 THR A 252 SER A 267 1 16 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 ILE A 378 1 20 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 HIS A 62 N THR A 56 SHEET 3 A 5 GLN A 317 LEU A 320 1 O LEU A 319 N TRP A 63 SHEET 4 A 5 ASP A 297 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 LEU A 312 N TYR A 305 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 O GLU A 84 K K A 440 1555 1555 2.57 LINK O GLY A 93 K K A 440 1555 1555 2.83 LINK O GLU A 94 K K A 440 1555 1555 2.81 LINK O TYR A 96 K K A 440 1555 1555 2.63 LINK SG CYS A 357 FE HEM A 441 1555 1555 2.42 LINK K K A 440 O HOH A 672 1555 1555 2.81 LINK K K A 440 O HOH A 789 1555 1555 2.75 CISPEP 1 ILE A 88 PRO A 89 0 0.10 CISPEP 2 ILE A 99 PRO A 100 0 0.52 CISPEP 3 PRO A 105 PRO A 106 0 0.31 SITE 1 AC1 6 GLU A 84 GLY A 93 GLU A 94 TYR A 96 SITE 2 AC1 6 HOH A 672 HOH A 789 SITE 1 AC2 17 PRO A 100 THR A 101 GLN A 108 ARG A 112 SITE 2 AC2 17 VAL A 248 THR A 252 ASP A 297 ARG A 299 SITE 3 AC2 17 GLN A 322 THR A 349 PHE A 350 GLY A 351 SITE 4 AC2 17 HIS A 355 CYS A 357 GLY A 359 HOH A 448 SITE 5 AC2 17 HOH A 507 SITE 1 AC3 6 PHE A 87 TYR A 96 THR A 101 VAL A 248 SITE 2 AC3 6 VAL A 295 ASP A 297 CRYST1 63.920 63.920 242.140 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 0.015645 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015645 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004130 0.00000