PDB Short entry for 1TWN HEADER OXIDOREDUCTASE 01-JUL-04 1TWN TITLE CRYSTAL STRUCTURES OF FERROUS AND FERROUS-NO FORMS OF VERDOHEME IN A TITLE 2 COMPLEX WITH HUMAN HEME OXYGENASE-1: CATALYTIC IMPLICATIONS FOR HEME TITLE 3 CLEAVAGE COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEME OXYGENASE 1; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: HO-1; COMPND 5 EC: 1.14.99.3; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: HMOX1, HO1, HO; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: DH5ALPHA; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PCWORI KEYWDS HEME OXYGENASE-1, HEME DEGREDATION, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR L.LAD,P.R.ORTIZ DE MONTELLANO,T.L.POULOS REVDAT 4 23-AUG-23 1TWN 1 REMARK REVDAT 3 10-MAR-21 1TWN 1 REMARK LINK REVDAT 2 24-FEB-09 1TWN 1 VERSN REVDAT 1 05-JUL-05 1TWN 0 JRNL AUTH L.LAD,P.R.ORTIZ DE MONTELLANO,T.L.POULOS JRNL TITL CRYSTAL STRUCTURES OF FERROUS AND FERROUS-NO FORMS OF JRNL TITL 2 VERDOHEME IN A COMPLEX WITH HUMAN HEME OXYGENASE-1: JRNL TITL 3 CATALYTIC IMPLICATIONS FOR HEME CLEAVAGE. JRNL REF J.INORG.BIOCHEM. V. 98 1686 2004 JRNL REFN ISSN 0162-0134 JRNL PMID 15522396 JRNL DOI 10.1016/J.JINORGBIO.2004.07.004 REMARK 2 REMARK 2 RESOLUTION. 2.20 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 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) (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 24350 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 : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1287 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) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.28 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 9.22 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2555 REMARK 3 BIN FREE R VALUE : 0.3011 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 115 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 : 3490 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 74 REMARK 3 SOLVENT ATOMS : 251 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) : 0.007 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 : ISOTROPIC 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 1TWN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-JUL-04. REMARK 100 THE DEPOSITION ID IS D_1000022976. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-MAR-03 REMARK 200 TEMPERATURE (KELVIN) : 119 REMARK 200 PH : 8.0 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) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24350 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 200 DATA REDUNDANCY : 7.400 REMARK 200 R MERGE (I) : 0.10500 REMARK 200 R SYM (I) : 0.04900 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 22.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.27 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.3 REMARK 200 DATA REDUNDANCY IN SHELL : 4.30 REMARK 200 R MERGE FOR SHELL (I) : 0.09900 REMARK 200 R SYM FOR SHELL (I) : 0.04100 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.200 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: PDB ENTRY 1QQ8 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 23.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NH4SO4, HEPES, NACL, PH 8.0, SMALL REMARK 280 TUBES, TEMPERATURE 301K 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 27.28100 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 MET A 1 REMARK 465 GLU A 2 REMARK 465 ARG A 3 REMARK 465 PRO A 4 REMARK 465 GLN A 5 REMARK 465 PRO A 6 REMARK 465 ASP A 7 REMARK 465 SER A 8 REMARK 465 MET A 9 REMARK 465 ASP A 224 REMARK 465 THR A 225 REMARK 465 LYS A 226 REMARK 465 ASP A 227 REMARK 465 GLN A 228 REMARK 465 SER A 229 REMARK 465 PRO A 230 REMARK 465 SER A 231 REMARK 465 ARG A 232 REMARK 465 ALA A 233 REMARK 465 MET B 1 REMARK 465 GLU B 2 REMARK 465 ARG B 3 REMARK 465 PRO B 4 REMARK 465 GLN B 5 REMARK 465 PRO B 6 REMARK 465 ASP B 7 REMARK 465 SER B 8 REMARK 465 MET B 9 REMARK 465 ASP B 224 REMARK 465 THR B 225 REMARK 465 LYS B 226 REMARK 465 ASP B 227 REMARK 465 GLN B 228 REMARK 465 SER B 229 REMARK 465 PRO B 230 REMARK 465 SER B 231 REMARK 465 ARG B 232 REMARK 465 ALA B 233 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 GLU A 15 CD OE1 OE2 REMARK 480 ARG A 100 NE NH1 NH2 REMARK 480 ASP A 156 CG REMARK 480 GLN A 180 NE2 REMARK 480 GLN A 212 CD NE2 REMARK 480 GLU B 15 CD OE1 REMARK 480 GLU B 19 CD OE1 OE2 REMARK 480 GLN B 38 CD OE1 NE2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 CA VAL A 77 O HOH A 430 0.40 REMARK 500 N VAL A 77 O HOH A 430 1.34 REMARK 500 C VAL A 77 O HOH A 430 1.41 REMARK 500 CB VAL A 77 O HOH A 430 1.95 REMARK 500 N TYR A 78 O HOH A 430 2.15 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 39 12.67 -69.93 REMARK 500 PHE A 74 -34.13 -138.23 REMARK 500 SER A 142 -73.12 -113.68 REMARK 500 THR A 222 68.66 -109.65 REMARK 500 GLN B 41 78.81 -103.33 REMARK 500 PHE B 74 -32.72 -140.00 REMARK 500 GLU B 125 59.70 -147.01 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 375 DISTANCE = 9.47 ANGSTROMS REMARK 525 HOH A 385 DISTANCE = 5.93 ANGSTROMS REMARK 525 HOH A 388 DISTANCE = 8.18 ANGSTROMS REMARK 525 HOH A 405 DISTANCE = 9.43 ANGSTROMS REMARK 525 HOH A 406 DISTANCE = 6.81 ANGSTROMS REMARK 525 HOH A 408 DISTANCE = 6.47 ANGSTROMS REMARK 525 HOH A 423 DISTANCE = 5.89 ANGSTROMS REMARK 525 HOH A 425 DISTANCE = 7.91 ANGSTROMS REMARK 525 HOH A 426 DISTANCE = 6.26 ANGSTROMS REMARK 525 HOH A 431 DISTANCE = 6.09 ANGSTROMS REMARK 525 HOH A 432 DISTANCE = 6.55 ANGSTROMS REMARK 525 HOH A 433 DISTANCE = 7.19 ANGSTROMS REMARK 525 HOH A 438 DISTANCE = 6.02 ANGSTROMS REMARK 525 HOH A 440 DISTANCE = 5.99 ANGSTROMS REMARK 525 HOH A 445 DISTANCE = 7.33 ANGSTROMS REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 VER A 300 REMARK 610 VER B 300 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 VER A 300 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 25 NE2 REMARK 620 2 VER A 300 NA 98.6 REMARK 620 3 VER A 300 NB 95.6 91.4 REMARK 620 4 VER A 300 NC 88.5 172.7 89.8 REMARK 620 5 VER A 300 ND 89.4 88.3 175.1 89.9 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 VER B 300 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 25 NE2 REMARK 620 2 VER B 300 NA 108.2 REMARK 620 3 VER B 300 NB 108.0 89.1 REMARK 620 4 VER B 300 NC 86.7 164.9 88.6 REMARK 620 5 VER B 300 ND 87.6 88.6 164.1 89.4 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 VER A 300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE VER B 300 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1TWR RELATED DB: PDB DBREF 1TWN A 1 233 UNP P09601 HMOX1_HUMAN 1 233 DBREF 1TWN B 1 233 UNP P09601 HMOX1_HUMAN 1 233 SEQRES 1 A 233 MET GLU ARG PRO GLN PRO ASP SER MET PRO GLN ASP LEU SEQRES 2 A 233 SER GLU ALA LEU LYS GLU ALA THR LYS GLU VAL HIS THR SEQRES 3 A 233 GLN ALA GLU ASN ALA GLU PHE MET ARG ASN PHE GLN LYS SEQRES 4 A 233 GLY GLN VAL THR ARG ASP GLY PHE LYS LEU VAL MET ALA SEQRES 5 A 233 SER LEU TYR HIS ILE TYR VAL ALA LEU GLU GLU GLU ILE SEQRES 6 A 233 GLU ARG ASN LYS GLU SER PRO VAL PHE ALA PRO VAL TYR SEQRES 7 A 233 PHE PRO GLU GLU LEU HIS ARG LYS ALA ALA LEU GLU GLN SEQRES 8 A 233 ASP LEU ALA PHE TRP TYR GLY PRO ARG TRP GLN GLU VAL SEQRES 9 A 233 ILE PRO TYR THR PRO ALA MET GLN ARG TYR VAL LYS ARG SEQRES 10 A 233 LEU HIS GLU VAL GLY ARG THR GLU PRO GLU LEU LEU VAL SEQRES 11 A 233 ALA HIS ALA TYR THR ARG TYR LEU GLY ASP LEU SER GLY SEQRES 12 A 233 GLY GLN VAL LEU LYS LYS ILE ALA GLN LYS ALA LEU ASP SEQRES 13 A 233 LEU PRO SER SER GLY GLU GLY LEU ALA PHE PHE THR PHE SEQRES 14 A 233 PRO ASN ILE ALA SER ALA THR LYS PHE LYS GLN LEU TYR SEQRES 15 A 233 ARG SER ARG MET ASN SER LEU GLU MET THR PRO ALA VAL SEQRES 16 A 233 ARG GLN ARG VAL ILE GLU GLU ALA LYS THR ALA PHE LEU SEQRES 17 A 233 LEU ASN ILE GLN LEU PHE GLU GLU LEU GLN GLU LEU LEU SEQRES 18 A 233 THR HIS ASP THR LYS ASP GLN SER PRO SER ARG ALA SEQRES 1 B 233 MET GLU ARG PRO GLN PRO ASP SER MET PRO GLN ASP LEU SEQRES 2 B 233 SER GLU ALA LEU LYS GLU ALA THR LYS GLU VAL HIS THR SEQRES 3 B 233 GLN ALA GLU ASN ALA GLU PHE MET ARG ASN PHE GLN LYS SEQRES 4 B 233 GLY GLN VAL THR ARG ASP GLY PHE LYS LEU VAL MET ALA SEQRES 5 B 233 SER LEU TYR HIS ILE TYR VAL ALA LEU GLU GLU GLU ILE SEQRES 6 B 233 GLU ARG ASN LYS GLU SER PRO VAL PHE ALA PRO VAL TYR SEQRES 7 B 233 PHE PRO GLU GLU LEU HIS ARG LYS ALA ALA LEU GLU GLN SEQRES 8 B 233 ASP LEU ALA PHE TRP TYR GLY PRO ARG TRP GLN GLU VAL SEQRES 9 B 233 ILE PRO TYR THR PRO ALA MET GLN ARG TYR VAL LYS ARG SEQRES 10 B 233 LEU HIS GLU VAL GLY ARG THR GLU PRO GLU LEU LEU VAL SEQRES 11 B 233 ALA HIS ALA TYR THR ARG TYR LEU GLY ASP LEU SER GLY SEQRES 12 B 233 GLY GLN VAL LEU LYS LYS ILE ALA GLN LYS ALA LEU ASP SEQRES 13 B 233 LEU PRO SER SER GLY GLU GLY LEU ALA PHE PHE THR PHE SEQRES 14 B 233 PRO ASN ILE ALA SER ALA THR LYS PHE LYS GLN LEU TYR SEQRES 15 B 233 ARG SER ARG MET ASN SER LEU GLU MET THR PRO ALA VAL SEQRES 16 B 233 ARG GLN ARG VAL ILE GLU GLU ALA LYS THR ALA PHE LEU SEQRES 17 B 233 LEU ASN ILE GLN LEU PHE GLU GLU LEU GLN GLU LEU LEU SEQRES 18 B 233 THR HIS ASP THR LYS ASP GLN SER PRO SER ARG ALA HET VER A 300 37 HET VER B 300 37 HETNAM VER IRON-OCTAETHYLPORPHYRIN HETSYN VER VERDOHEME FORMUL 3 VER 2(C30 H27 FE N4 O3 1+) FORMUL 5 HOH *251(H2 O) HELIX 1 1 ASP A 12 THR A 21 1 10 HELIX 2 2 THR A 21 ALA A 31 1 11 HELIX 3 3 ALA A 31 LYS A 39 1 9 HELIX 4 4 THR A 43 ASN A 68 1 26 HELIX 5 5 PHE A 74 TYR A 78 5 5 HELIX 6 6 PHE A 79 HIS A 84 1 6 HELIX 7 7 ARG A 85 GLY A 98 1 14 HELIX 8 8 ARG A 100 ILE A 105 1 6 HELIX 9 9 THR A 108 GLU A 125 1 18 HELIX 10 10 LEU A 128 LEU A 141 1 14 HELIX 11 11 GLY A 143 ASP A 156 1 14 HELIX 12 12 LEU A 164 THR A 168 5 5 HELIX 13 13 SER A 174 SER A 188 1 15 HELIX 14 14 THR A 192 THR A 222 1 31 HELIX 15 15 ASP B 12 THR B 21 1 10 HELIX 16 16 THR B 21 ALA B 31 1 11 HELIX 17 17 ALA B 31 LYS B 39 1 9 HELIX 18 18 THR B 43 LYS B 69 1 27 HELIX 19 19 PHE B 74 TYR B 78 5 5 HELIX 20 20 PHE B 79 HIS B 84 1 6 HELIX 21 21 ARG B 85 GLY B 98 1 14 HELIX 22 22 ARG B 100 VAL B 104 5 5 HELIX 23 23 THR B 108 GLU B 125 1 18 HELIX 24 24 LEU B 128 ASP B 156 1 29 HELIX 25 25 LEU B 164 THR B 168 5 5 HELIX 26 26 SER B 174 SER B 188 1 15 HELIX 27 27 THR B 192 HIS B 223 1 32 LINK NE2 HIS A 25 FE VER A 300 1555 1555 2.13 LINK NE2 HIS B 25 FE VER B 300 1555 1555 2.14 SITE 1 AC1 13 LYS A 18 HIS A 25 ALA A 28 GLN A 38 SITE 2 AC1 13 TYR A 134 THR A 135 GLY A 139 SER A 142 SITE 3 AC1 13 GLY A 143 LEU A 147 ARG A 183 PHE A 207 SITE 4 AC1 13 ASN A 210 SITE 1 AC2 11 LYS B 18 HIS B 25 TYR B 134 THR B 135 SITE 2 AC2 11 ARG B 136 GLY B 139 SER B 142 ARG B 183 SITE 3 AC2 11 PHE B 207 ASN B 210 HOH B 355 CRYST1 61.607 54.562 71.720 90.00 99.24 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 0.016232 0.000000 0.002641 0.00000 SCALE2 0.000000 0.018328 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014126 0.00000