HEADER ELECTRON TRANSPORT 01-AUG-96 1FAH TITLE STRUCTURE OF CYTOCHROME P450 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME P450 BM-3; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: HEME DOMAIN; COMPND 5 SYNONYM: P450 102, FATTY ACID HYDROXYLASE; COMPND 6 EC: 1.14.14.1; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS MEGATERIUM; SOURCE 3 ORGANISM_TAXID: 1404; SOURCE 4 STRAIN: 14581; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS MONOOXYGENASE, ELECTRON TRANSPORT, HEME EXPDTA X-RAY DIFFRACTION AUTHOR H.Y.LI,T.L.POULOS REVDAT 7 03-APR-24 1FAH 1 REMARK REVDAT 6 07-FEB-24 1FAH 1 REMARK REVDAT 5 03-NOV-21 1FAH 1 REMARK SEQADV LINK REVDAT 4 02-MAY-18 1FAH 1 REMARK REVDAT 3 07-MAR-18 1FAH 1 REMARK REVDAT 2 24-FEB-09 1FAH 1 VERSN REVDAT 1 12-FEB-97 1FAH 0 JRNL AUTH H.YEOM,S.G.SLIGAR,H.LI,T.L.POULOS,A.J.FULCO JRNL TITL THE ROLE OF THR268 IN OXYGEN ACTIVATION OF CYTOCHROME JRNL TITL 2 P450BM-3. JRNL REF BIOCHEMISTRY V. 34 14733 1995 JRNL REFN ISSN 0006-2960 JRNL PMID 7578081 JRNL DOI 10.1021/BI00045A014 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH H.Y.LI,T.L.POULOS REMARK 1 TITL MODELING PROTEIN-SUBSTRATE INTERACTIONS IN THE HEME DOMAIN REMARK 1 TITL 2 OF CYTOCHROME P450BM-3 REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 51 21 1995 REMARK 1 REFN ISSN 0907-4449 REMARK 1 REFERENCE 2 REMARK 1 AUTH K.G.RAVICHANDRAN,S.S.BODDUPALLI,C.A.HASEMANN,J.A.PETERSON, REMARK 1 AUTH 2 J.DEISENHOFER REMARK 1 TITL CRYSTAL STRUCTURE OF HEMOPROTEIN DOMAIN OF P450BM-3, A REMARK 1 TITL 2 PROTOTYPE FOR MICROSOMAL P450'S REMARK 1 REF SCIENCE V. 261 731 1993 REMARK 1 REFN ISSN 0036-8075 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 75.6 REMARK 3 NUMBER OF REFLECTIONS : 37057 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.172 REMARK 3 FREE R VALUE : NULL 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) : 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 : 7336 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 86 REMARK 3 SOLVENT ATOMS : 397 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) : 0.25 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) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.410 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.295 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 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 : PARAM19X.HEME REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPH19X.HEME REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 SIMILAR TO THE CRYSTAL STRUCTURE OF THE WILD TYPE REMARK 3 P450BM-3 HEME DOMAIN, THE LOOP REGION BETWEEN THE F AND G REMARK 3 HELICES IS POORLY DEFINED IN THE ELECTRON DENSITY AND REMARK 3 THEREFORE MODELED WITH HIGH B FACTORS. REMARK 4 REMARK 4 1FAH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000173204. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-SEP-94 REMARK 200 TEMPERATURE (KELVIN) : 296 REMARK 200 PH : 6.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : SIEMENS REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : YES REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS-NICOLET X100 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XENGEN REMARK 200 DATA SCALING SOFTWARE : XENGEN REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 44522 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 88.2 REMARK 200 DATA REDUNDANCY : 3.000 REMARK 200 R MERGE (I) : 0.08000 REMARK 200 R SYM (I) : 0.08000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 10.3900 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.40 REMARK 200 COMPLETENESS FOR SHELL (%) : 62.5 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : 0.30000 REMARK 200 R SYM FOR SHELL (I) : 0.30000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: DIFFERENCE FOURIER REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: WILD TYPE P450BM-3 HEME DOMAIN REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.65 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SEE REFERENCE 1, PH 6.8 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y+1/2,-Z 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 77.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 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 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 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 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 GLY A 456 REMARK 465 GLY A 457 REMARK 465 ILE A 458 REMARK 465 PRO A 459 REMARK 465 SER A 460 REMARK 465 PRO A 461 REMARK 465 SER A 462 REMARK 465 THR A 463 REMARK 465 GLU A 464 REMARK 465 GLN A 465 REMARK 465 SER A 466 REMARK 465 ALA A 467 REMARK 465 LYS A 468 REMARK 465 LYS A 469 REMARK 465 VAL A 470 REMARK 465 ARG A 471 REMARK 465 GLY B 456 REMARK 465 GLY B 457 REMARK 465 ILE B 458 REMARK 465 PRO B 459 REMARK 465 SER B 460 REMARK 465 PRO B 461 REMARK 465 SER B 462 REMARK 465 THR B 463 REMARK 465 GLU B 464 REMARK 465 GLN B 465 REMARK 465 SER B 466 REMARK 465 ALA B 467 REMARK 465 LYS B 468 REMARK 465 LYS B 469 REMARK 465 VAL B 470 REMARK 465 ARG B 471 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 LEU A 148 CA - CB - CG ANGL. DEV. = 14.7 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 15 -143.80 53.45 REMARK 500 GLU A 38 -2.06 -58.18 REMARK 500 ASP A 84 42.94 -93.25 REMARK 500 ASP A 136 -13.61 148.63 REMARK 500 ASN A 192 154.96 175.28 REMARK 500 PRO A 193 68.89 -67.13 REMARK 500 ASP A 194 25.78 156.31 REMARK 500 ASP A 195 86.61 -176.56 REMARK 500 ALA A 197 116.57 -29.06 REMARK 500 GLU A 244 -71.09 -64.79 REMARK 500 GLU A 344 -49.28 -130.58 REMARK 500 ASP A 370 40.12 -88.51 REMARK 500 THR A 436 -127.04 -137.37 REMARK 500 LYS B 15 -135.68 60.31 REMARK 500 ASP B 84 35.83 -87.18 REMARK 500 ALA B 135 -39.23 -36.68 REMARK 500 PRO B 172 -38.44 -37.83 REMARK 500 ASN B 192 133.22 177.94 REMARK 500 PRO B 193 89.99 -54.99 REMARK 500 ASP B 194 18.65 133.49 REMARK 500 ASP B 195 88.48 172.31 REMARK 500 ALA B 197 129.91 59.87 REMARK 500 TYR B 198 -164.56 -122.17 REMARK 500 GLU B 244 -74.48 -59.03 REMARK 500 GLU B 344 -34.04 -132.36 REMARK 500 ASP B 370 43.22 -89.46 REMARK 500 THR B 436 -132.21 -140.60 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 472 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 400 SG REMARK 620 2 HEM A 472 NA 98.1 REMARK 620 3 HEM A 472 NB 91.1 90.8 REMARK 620 4 HEM A 472 NC 84.5 177.4 89.7 REMARK 620 5 HEM A 472 ND 91.8 89.4 177.1 90.0 REMARK 620 6 HOH A 473 O 177.3 84.6 88.7 92.9 88.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 472 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 400 SG REMARK 620 2 HEM B 472 NA 96.4 REMARK 620 3 HEM B 472 NB 89.4 89.1 REMARK 620 4 HEM B 472 NC 84.8 178.8 90.8 REMARK 620 5 HEM B 472 ND 97.5 89.3 173.1 90.6 REMARK 620 6 HOH B 473 O 175.0 87.5 87.6 91.3 85.6 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 472 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 472 DBREF 1FAH A 1 471 UNP P14779 CPXB_BACME 1 471 DBREF 1FAH B 1 471 UNP P14779 CPXB_BACME 1 471 SEQADV 1FAH ALA A 268 UNP P14779 THR 268 ENGINEERED MUTATION SEQADV 1FAH ALA B 268 UNP P14779 THR 268 ENGINEERED MUTATION SEQRES 1 A 471 THR ILE LYS GLU MET PRO GLN PRO LYS THR PHE GLY GLU SEQRES 2 A 471 LEU LYS ASN LEU PRO LEU LEU ASN THR ASP LYS PRO VAL SEQRES 3 A 471 GLN ALA LEU MET LYS ILE ALA ASP GLU LEU GLY GLU ILE SEQRES 4 A 471 PHE LYS PHE GLU ALA PRO GLY ARG VAL THR ARG TYR LEU SEQRES 5 A 471 SER SER GLN ARG LEU ILE LYS GLU ALA CYS ASP GLU SER SEQRES 6 A 471 ARG PHE ASP LYS ASN LEU SER GLN ALA LEU LYS PHE VAL SEQRES 7 A 471 ARG ASP PHE ALA GLY ASP GLY LEU PHE THR SER TRP THR SEQRES 8 A 471 HIS GLU LYS ASN TRP LYS LYS ALA HIS ASN ILE LEU LEU SEQRES 9 A 471 PRO SER PHE SER GLN GLN ALA MET LYS GLY TYR HIS ALA SEQRES 10 A 471 MET MET VAL ASP ILE ALA VAL GLN LEU VAL GLN LYS TRP SEQRES 11 A 471 GLU ARG LEU ASN ALA ASP GLU HIS ILE GLU VAL PRO GLU SEQRES 12 A 471 ASP MET THR ARG LEU THR LEU ASP THR ILE GLY LEU CYS SEQRES 13 A 471 GLY PHE ASN TYR ARG PHE ASN SER PHE TYR ARG ASP GLN SEQRES 14 A 471 PRO HIS PRO PHE ILE THR SER MET VAL ARG ALA LEU ASP SEQRES 15 A 471 GLU ALA MET ASN LYS LEU GLN ARG ALA ASN PRO ASP ASP SEQRES 16 A 471 PRO ALA TYR ASP GLU ASN LYS ARG GLN PHE GLN GLU ASP SEQRES 17 A 471 ILE LYS VAL MET ASN ASP LEU VAL ASP LYS ILE ILE ALA SEQRES 18 A 471 ASP ARG LYS ALA SER GLY GLU GLN SER ASP ASP LEU LEU SEQRES 19 A 471 THR HIS MET LEU ASN GLY LYS ASP PRO GLU THR GLY GLU SEQRES 20 A 471 PRO LEU ASP ASP GLU ASN ILE ARG TYR GLN ILE ILE THR SEQRES 21 A 471 PHE LEU ILE ALA GLY HIS GLU ALA THR SER GLY LEU LEU SEQRES 22 A 471 SER PHE ALA LEU TYR PHE LEU VAL LYS ASN PRO HIS VAL SEQRES 23 A 471 LEU GLN LYS ALA ALA GLU GLU ALA ALA ARG VAL LEU VAL SEQRES 24 A 471 ASP PRO VAL PRO SER TYR LYS GLN VAL LYS GLN LEU LYS SEQRES 25 A 471 TYR VAL GLY MET VAL LEU ASN GLU ALA LEU ARG LEU TRP SEQRES 26 A 471 PRO THR ALA PRO ALA PHE SER LEU TYR ALA LYS GLU ASP SEQRES 27 A 471 THR VAL LEU GLY GLY GLU TYR PRO LEU GLU LYS GLY ASP SEQRES 28 A 471 GLU LEU MET VAL LEU ILE PRO GLN LEU HIS ARG ASP LYS SEQRES 29 A 471 THR ILE TRP GLY ASP ASP VAL GLU GLU PHE ARG PRO GLU SEQRES 30 A 471 ARG PHE GLU ASN PRO SER ALA ILE PRO GLN HIS ALA PHE SEQRES 31 A 471 LYS PRO PHE GLY ASN GLY GLN ARG ALA CYS ILE GLY GLN SEQRES 32 A 471 GLN PHE ALA LEU HIS GLU ALA THR LEU VAL LEU GLY MET SEQRES 33 A 471 MET LEU LYS HIS PHE ASP PHE GLU ASP HIS THR ASN TYR SEQRES 34 A 471 GLU LEU ASP ILE LYS GLU THR LEU THR LEU LYS PRO GLU SEQRES 35 A 471 GLY PHE VAL VAL LYS ALA LYS SER LYS LYS ILE PRO LEU SEQRES 36 A 471 GLY GLY ILE PRO SER PRO SER THR GLU GLN SER ALA LYS SEQRES 37 A 471 LYS VAL ARG SEQRES 1 B 471 THR ILE LYS GLU MET PRO GLN PRO LYS THR PHE GLY GLU SEQRES 2 B 471 LEU LYS ASN LEU PRO LEU LEU ASN THR ASP LYS PRO VAL SEQRES 3 B 471 GLN ALA LEU MET LYS ILE ALA ASP GLU LEU GLY GLU ILE SEQRES 4 B 471 PHE LYS PHE GLU ALA PRO GLY ARG VAL THR ARG TYR LEU SEQRES 5 B 471 SER SER GLN ARG LEU ILE LYS GLU ALA CYS ASP GLU SER SEQRES 6 B 471 ARG PHE ASP LYS ASN LEU SER GLN ALA LEU LYS PHE VAL SEQRES 7 B 471 ARG ASP PHE ALA GLY ASP GLY LEU PHE THR SER TRP THR SEQRES 8 B 471 HIS GLU LYS ASN TRP LYS LYS ALA HIS ASN ILE LEU LEU SEQRES 9 B 471 PRO SER PHE SER GLN GLN ALA MET LYS GLY TYR HIS ALA SEQRES 10 B 471 MET MET VAL ASP ILE ALA VAL GLN LEU VAL GLN LYS TRP SEQRES 11 B 471 GLU ARG LEU ASN ALA ASP GLU HIS ILE GLU VAL PRO GLU SEQRES 12 B 471 ASP MET THR ARG LEU THR LEU ASP THR ILE GLY LEU CYS SEQRES 13 B 471 GLY PHE ASN TYR ARG PHE ASN SER PHE TYR ARG ASP GLN SEQRES 14 B 471 PRO HIS PRO PHE ILE THR SER MET VAL ARG ALA LEU ASP SEQRES 15 B 471 GLU ALA MET ASN LYS LEU GLN ARG ALA ASN PRO ASP ASP SEQRES 16 B 471 PRO ALA TYR ASP GLU ASN LYS ARG GLN PHE GLN GLU ASP SEQRES 17 B 471 ILE LYS VAL MET ASN ASP LEU VAL ASP LYS ILE ILE ALA SEQRES 18 B 471 ASP ARG LYS ALA SER GLY GLU GLN SER ASP ASP LEU LEU SEQRES 19 B 471 THR HIS MET LEU ASN GLY LYS ASP PRO GLU THR GLY GLU SEQRES 20 B 471 PRO LEU ASP ASP GLU ASN ILE ARG TYR GLN ILE ILE THR SEQRES 21 B 471 PHE LEU ILE ALA GLY HIS GLU ALA THR SER GLY LEU LEU SEQRES 22 B 471 SER PHE ALA LEU TYR PHE LEU VAL LYS ASN PRO HIS VAL SEQRES 23 B 471 LEU GLN LYS ALA ALA GLU GLU ALA ALA ARG VAL LEU VAL SEQRES 24 B 471 ASP PRO VAL PRO SER TYR LYS GLN VAL LYS GLN LEU LYS SEQRES 25 B 471 TYR VAL GLY MET VAL LEU ASN GLU ALA LEU ARG LEU TRP SEQRES 26 B 471 PRO THR ALA PRO ALA PHE SER LEU TYR ALA LYS GLU ASP SEQRES 27 B 471 THR VAL LEU GLY GLY GLU TYR PRO LEU GLU LYS GLY ASP SEQRES 28 B 471 GLU LEU MET VAL LEU ILE PRO GLN LEU HIS ARG ASP LYS SEQRES 29 B 471 THR ILE TRP GLY ASP ASP VAL GLU GLU PHE ARG PRO GLU SEQRES 30 B 471 ARG PHE GLU ASN PRO SER ALA ILE PRO GLN HIS ALA PHE SEQRES 31 B 471 LYS PRO PHE GLY ASN GLY GLN ARG ALA CYS ILE GLY GLN SEQRES 32 B 471 GLN PHE ALA LEU HIS GLU ALA THR LEU VAL LEU GLY MET SEQRES 33 B 471 MET LEU LYS HIS PHE ASP PHE GLU ASP HIS THR ASN TYR SEQRES 34 B 471 GLU LEU ASP ILE LYS GLU THR LEU THR LEU LYS PRO GLU SEQRES 35 B 471 GLY PHE VAL VAL LYS ALA LYS SER LYS LYS ILE PRO LEU SEQRES 36 B 471 GLY GLY ILE PRO SER PRO SER THR GLU GLN SER ALA LYS SEQRES 37 B 471 LYS VAL ARG HET HEM A 472 43 HET HEM B 472 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 5 HOH *397(H2 O) HELIX 1 1 GLY A 12 LEU A 20 5 9 HELIX 2 2 PRO A 25 LEU A 36 1 12 HELIX 3 3 GLN A 55 ALA A 61 1 7 HELIX 4 4 GLN A 73 ALA A 82 1 10 HELIX 5 5 LEU A 86 THR A 88 5 3 HELIX 6 6 LYS A 94 PHE A 107 1 14 HELIX 7 7 GLN A 110 GLU A 131 5 22 HELIX 8 8 VAL A 141 PHE A 158 1 18 HELIX 9 9 SER A 164 TYR A 166 5 3 HELIX 10 10 PRO A 172 LEU A 188 1 17 HELIX 11 11 ASP A 199 SER A 226 1 28 HELIX 12 12 LEU A 233 LEU A 238 1 6 HELIX 13 13 ASP A 251 LYS A 282 1 32 HELIX 14 14 PRO A 284 VAL A 297 1 14 HELIX 15 15 TYR A 305 GLN A 310 1 6 HELIX 16 16 LYS A 312 LEU A 324 1 13 HELIX 17 17 ILE A 357 ARG A 362 1 6 HELIX 18 18 LYS A 364 TRP A 367 1 4 HELIX 19 19 PRO A 376 PHE A 379 5 4 HELIX 20 20 PRO A 382 ALA A 384 5 3 HELIX 21 21 GLY A 396 ARG A 398 5 3 HELIX 22 22 GLN A 403 HIS A 420 1 18 HELIX 23 23 GLY B 12 LEU B 14 5 3 HELIX 24 24 LEU B 17 LEU B 20 5 4 HELIX 25 25 PRO B 25 LEU B 36 1 12 HELIX 26 26 GLN B 55 ALA B 61 1 7 HELIX 27 27 GLN B 73 ALA B 82 1 10 HELIX 28 28 LYS B 94 PHE B 107 1 14 HELIX 29 29 ALA B 111 ARG B 132 5 22 HELIX 30 30 VAL B 141 PHE B 158 1 18 HELIX 31 31 SER B 164 TYR B 166 5 3 HELIX 32 32 PRO B 172 LEU B 188 1 17 HELIX 33 33 ASP B 199 SER B 226 1 28 HELIX 34 34 LEU B 233 LEU B 238 1 6 HELIX 35 35 ASP B 251 LYS B 282 1 32 HELIX 36 36 PRO B 284 VAL B 297 1 14 HELIX 37 37 TYR B 305 GLN B 310 1 6 HELIX 38 38 LYS B 312 LEU B 324 1 13 HELIX 39 39 LEU B 341 GLY B 343 5 3 HELIX 40 40 ILE B 357 ARG B 362 1 6 HELIX 41 41 LYS B 364 TRP B 367 1 4 HELIX 42 42 PRO B 376 PHE B 379 5 4 HELIX 43 43 PRO B 382 ALA B 384 5 3 HELIX 44 44 GLY B 396 ARG B 398 5 3 HELIX 45 45 GLN B 403 HIS B 420 1 18 SHEET 1 A 5 ILE A 39 ALA A 44 0 SHEET 2 A 5 ARG A 47 LEU A 52 -1 N TYR A 51 O PHE A 40 SHEET 3 A 5 GLU A 352 LEU A 356 1 N MET A 354 O ARG A 50 SHEET 4 A 5 ALA A 330 ALA A 335 -1 N LEU A 333 O LEU A 353 SHEET 5 A 5 PHE A 67 LYS A 69 -1 N ASP A 68 O TYR A 334 SHEET 1 B 2 THR A 339 LEU A 341 0 SHEET 2 B 2 TYR A 345 LEU A 347 -1 N LEU A 347 O THR A 339 SHEET 1 C 2 PHE A 421 GLU A 424 0 SHEET 2 C 2 LYS A 447 SER A 450 -1 N LYS A 449 O ASP A 422 SHEET 1 D 2 ILE A 433 GLU A 435 0 SHEET 2 D 2 LEU A 439 PRO A 441 -1 N LYS A 440 O LYS A 434 SHEET 1 E 5 ILE B 39 ALA B 44 0 SHEET 2 E 5 ARG B 47 LEU B 52 -1 N TYR B 51 O PHE B 40 SHEET 3 E 5 GLU B 352 LEU B 356 1 N MET B 354 O ARG B 50 SHEET 4 E 5 ALA B 330 ALA B 335 -1 N LEU B 333 O LEU B 353 SHEET 5 E 5 PHE B 67 LYS B 69 -1 N ASP B 68 O TYR B 334 SHEET 1 F 2 THR B 339 LEU B 341 0 SHEET 2 F 2 TYR B 345 LEU B 347 -1 N LEU B 347 O THR B 339 SHEET 1 G 2 PHE B 421 GLU B 424 0 SHEET 2 G 2 LYS B 447 SER B 450 -1 N LYS B 449 O ASP B 422 SHEET 1 H 2 ILE B 433 GLU B 435 0 SHEET 2 H 2 LEU B 439 PRO B 441 -1 N LYS B 440 O LYS B 434 LINK SG CYS A 400 FE HEM A 472 1555 1555 2.04 LINK FE HEM A 472 O HOH A 473 1555 1555 1.95 LINK SG CYS B 400 FE HEM B 472 1555 1555 2.10 LINK FE HEM B 472 O HOH B 473 1555 1555 1.97 CISPEP 1 ASP A 195 PRO A 196 0 -0.71 CISPEP 2 ASP B 195 PRO B 196 0 0.39 SITE 1 AC1 22 LYS A 69 LEU A 86 TRP A 96 PHE A 107 SITE 2 AC1 22 GLY A 265 ALA A 268 THR A 269 THR A 327 SITE 3 AC1 22 PHE A 331 PRO A 392 PHE A 393 GLY A 394 SITE 4 AC1 22 ARG A 398 CYS A 400 ILE A 401 ALA A 406 SITE 5 AC1 22 HOH A 473 HOH A 494 HOH A 515 HOH A 550 SITE 6 AC1 22 HOH A 556 HOH A 682 SITE 1 AC2 22 LYS B 69 LEU B 86 PHE B 87 TRP B 96 SITE 2 AC2 22 GLY B 265 ALA B 268 THR B 269 PHE B 331 SITE 3 AC2 22 PRO B 392 PHE B 393 GLY B 394 ARG B 398 SITE 4 AC2 22 ALA B 399 CYS B 400 ILE B 401 ALA B 406 SITE 5 AC2 22 HOH B 473 HOH B 485 HOH B 522 HOH B 570 SITE 6 AC2 22 HOH B 610 HOH B 617 CRYST1 59.500 154.000 62.400 90.00 95.00 90.00 P 1 21 1 4 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 0.016807 0.000000 0.001470 0.00000 SCALE2 0.000000 0.006494 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016087 0.00000 MTRIX1 1 -0.999026 0.019407 -0.039625 86.02430 1 MTRIX2 1 -0.003465 -0.929810 -0.368024 198.59019 1 MTRIX3 1 -0.043986 -0.367528 0.928972 39.56500 1