HEADER TRANSPORT PROTEIN 04-AUG-07 2Z6N TITLE CRYSTAL STRUCTURE OF CARBONMONOXY HEMOGLOBIN D FROM THE ALDABRA GIANT TITLE 2 TORTOISE, GEOCHELONE GIGANTEA COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEMOGLOBIN D SUBUNIT ALPHA; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: HEMOGLOBIN D ALPHA CHAIN; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: HEMOGLOBIN A/D SUBUNIT BETA; COMPND 7 CHAIN: B; COMPND 8 SYNONYM: HEMOGLOBIN A/D BETA CHAIN SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DIPSOCHELYS DUSSUMIERI; SOURCE 3 ORGANISM_COMMON: ALDABRA GIANT TORTOISE; SOURCE 4 ORGANISM_TAXID: 167804; SOURCE 5 TISSUE: RED BLOOD CELL; SOURCE 6 MOL_ID: 2; SOURCE 7 ORGANISM_SCIENTIFIC: DIPSOCHELYS DUSSUMIERI; SOURCE 8 ORGANISM_COMMON: ALDABRA GIANT TORTOISE; SOURCE 9 ORGANISM_TAXID: 167804; SOURCE 10 TISSUE: RED BLOOD CELL KEYWDS HEMOGLOBIN D, REPTILIA, THE ALDABRA GIANT TORTOISE, GEOCHELONE KEYWDS 2 GIGANTEA, HEME, IRON, METAL-BINDING, OXYGEN TRANSPORT, TRANSPORT, KEYWDS 3 TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR T.KUWADA,T.HASEGAWA,I.SATO,K.ISHIKAWA,F.SHISHIKURA REVDAT 4 01-NOV-23 2Z6N 1 REMARK REVDAT 3 20-JUN-18 2Z6N 1 JRNL REVDAT 2 24-FEB-09 2Z6N 1 VERSN REVDAT 1 28-AUG-07 2Z6N 0 JRNL AUTH T.KUWADA,T.HASEGAWA,I.SATO,K.ISHIKAWA,F.SHISHIKURA JRNL TITL CRYSTAL STRUCTURE OF THE LIGATED HEMOGLOBIN D FROM THE JRNL TITL 2 ALDABRA GIANT TORTOISE, GEOCHELONE GIGANTEA JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.86 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNX 2005 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN,ACCELRYS REMARK 3 : SOFTWARE INC.(BADGER,BERARD,KUMAR,SZALMA, REMARK 3 : YIP,DZAKULA) REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.86 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.57 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 722671.650 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.9 REMARK 3 NUMBER OF REFLECTIONS : 28243 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) : 0.185 REMARK 3 R VALUE (WORKING SET) : 0.185 REMARK 3 FREE R VALUE : 0.217 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 2805 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.86 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.98 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 95.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 4143 REMARK 3 BIN R VALUE (WORKING SET) : 0.2960 REMARK 3 BIN FREE R VALUE : 0.2990 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 500 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.013 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2292 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 90 REMARK 3 SOLVENT ATOMS : 385 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 23.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 31.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -4.85000 REMARK 3 B22 (A**2) : 11.10000 REMARK 3 B33 (A**2) : -6.26000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.47000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.19 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.25 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.22 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 1.000 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 19.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.600 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : OVERALL 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 : FLAT MODEL REMARK 3 KSOL : 0.36 REMARK 3 BSOL : 70.59 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : HEM_XPLOR.PARAM REMARK 3 PARAMETER FILE 4 : CMO_XPLOR.PARAM REMARK 3 PARAMETER FILE 5 : ION.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : HEM_XPLOR.TOP REMARK 3 TOPOLOGY FILE 4 : CMO_XPLOR.TOP REMARK 3 TOPOLOGY FILE 5 : ION.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2Z6N COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 09-AUG-07. REMARK 100 THE DEPOSITION ID IS D_1000027587. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-JUN-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 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 : RIGAKU ULTRAX 18 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : CONFOCAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV++ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSTALCLEAR REMARK 200 DATA SCALING SOFTWARE : CRYSTALCLEAR REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 28249 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.860 REMARK 200 RESOLUTION RANGE LOW (A) : 53.510 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 200 DATA REDUNDANCY : 3.760 REMARK 200 R MERGE (I) : 0.03500 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) : 1.86 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.93 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.4 REMARK 200 DATA REDUNDANCY IN SHELL : 3.74 REMARK 200 R MERGE FOR SHELL (I) : 0.13800 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: CNX REMARK 200 STARTING MODEL: PDB ENTRY 1V75 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.92 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.73 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 7% PEG 3350, 50MM HEPES-NA, PH 7.5, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 56.17750 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.05200 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 56.17750 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 31.05200 REMARK 290 SMTRY3 4 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A HEMOGLOBIN TETRAMER GENERATED REMARK 300 FROM THE ALPHA-BETA DIMER IN THE ASYMMETRIC UNIT BY THE OPERATION: - REMARK 300 X, Y, -Z. 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 11620 ANGSTROM**2 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 93.69570 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 50.65991 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 HIS A 72 42.67 -107.79 REMARK 500 ASN B 77 74.89 -152.07 REMARK 500 TYR B 145 55.82 -156.84 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 150 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 87 NE2 REMARK 620 2 HEM A 150 NA 84.5 REMARK 620 3 HEM A 150 NB 88.9 87.7 REMARK 620 4 HEM A 150 NC 96.7 178.6 93.1 REMARK 620 5 HEM A 150 ND 92.5 91.5 178.3 87.7 REMARK 620 6 CMO A 151 C 175.1 91.5 88.1 87.3 90.4 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 150 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 92 NE2 REMARK 620 2 HEM B 150 NA 85.5 REMARK 620 3 HEM B 150 NB 85.5 87.9 REMARK 620 4 HEM B 150 NC 96.1 178.0 93.5 REMARK 620 5 HEM B 150 ND 95.1 90.9 178.6 87.7 REMARK 620 6 CMO B 151 C 173.1 90.3 88.8 88.3 90.5 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 150 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMO A 151 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 150 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMO B 151 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1V75 RELATED DB: PDB REMARK 900 THE SAME HEMOGLOBIN COMPONENT IN THE AQUOMET FORM REMARK 900 RELATED ID: 1WMU RELATED DB: PDB REMARK 900 THE SAME HEMOGLOBIN COMPONENT IN THE AQUOMET FORM DBREF 2Z6N A 1 141 UNP P83134 HBAD_ALDEL 1 141 DBREF 2Z6N B 1 146 UNP P83133 HBB_ALDEL 1 146 SEQRES 1 A 141 MET LEU THR GLU ASP ASP LYS GLN LEU ILE GLN HIS VAL SEQRES 2 A 141 TRP GLU LYS VAL LEU GLU HIS GLN GLU ASP PHE GLY ALA SEQRES 3 A 141 GLU ALA LEU GLU ARG MET PHE ILE VAL TYR PRO SER THR SEQRES 4 A 141 LYS THR TYR PHE PRO HIS PHE ASP LEU HIS HIS ASP SER SEQRES 5 A 141 GLU GLN ILE ARG HIS HIS GLY LYS LYS VAL VAL GLY ALA SEQRES 6 A 141 LEU GLY ASP ALA VAL LYS HIS ILE ASP ASN LEU SER ALA SEQRES 7 A 141 THR LEU SER GLU LEU SER ASN LEU HIS ALA TYR ASN LEU SEQRES 8 A 141 ARG VAL ASP PRO VAL ASN PHE LYS LEU LEU SER HIS CYS SEQRES 9 A 141 PHE GLN VAL VAL LEU GLY ALA HIS LEU GLY ARG GLU TYR SEQRES 10 A 141 THR PRO GLN VAL GLN VAL ALA TYR ASP LYS PHE LEU ALA SEQRES 11 A 141 ALA VAL SER ALA VAL LEU ALA GLU LYS TYR ARG SEQRES 1 B 146 VAL HIS TRP THR SER GLU GLU LYS GLN TYR ILE THR SER SEQRES 2 B 146 LEU TRP ALA LYS VAL ASN VAL GLY GLU VAL GLY GLY GLU SEQRES 3 B 146 ALA LEU ALA ARG LEU LEU ILE VAL TYR PRO TRP THR GLN SEQRES 4 B 146 ARG PHE PHE ALA SER PHE GLY ASN LEU SER SER ALA ASN SEQRES 5 B 146 ALA ILE LEU HIS ASN ALA LYS VAL LEU ALA HIS GLY GLN SEQRES 6 B 146 LYS VAL LEU THR SER PHE GLY GLU ALA VAL LYS ASN LEU SEQRES 7 B 146 ASP ASN ILE LYS LYS THR PHE ALA GLN LEU SER GLU LEU SEQRES 8 B 146 HIS CYS GLU LYS LEU HIS VAL ASP PRO GLU ASN PHE LYS SEQRES 9 B 146 LEU LEU GLY ASN ILE LEU ILE ILE VAL LEU ALA THR HIS SEQRES 10 B 146 PHE PRO LYS GLU PHE THR PRO ALA SER GLN ALA ALA TRP SEQRES 11 B 146 THR LYS LEU VAL ASN ALA VAL ALA HIS ALA LEU ALA LEU SEQRES 12 B 146 GLY TYR HIS HET HEM A 150 43 HET CMO A 151 2 HET HEM B 150 43 HET CMO B 151 2 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM CMO CARBON MONOXIDE HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 CMO 2(C O) FORMUL 7 HOH *385(H2 O) HELIX 1 1 THR A 3 LEU A 18 1 16 HELIX 2 2 HIS A 20 TYR A 36 1 17 HELIX 3 3 PRO A 37 PHE A 43 5 7 HELIX 4 4 SER A 52 HIS A 72 1 21 HELIX 5 5 ASN A 75 LEU A 80 1 6 HELIX 6 6 LEU A 80 ASN A 90 1 11 HELIX 7 7 ASP A 94 GLY A 114 1 21 HELIX 8 8 ARG A 115 TYR A 117 5 3 HELIX 9 9 THR A 118 GLU A 138 1 21 HELIX 10 10 LYS A 139 ARG A 141 5 3 HELIX 11 11 THR B 4 ALA B 16 1 13 HELIX 12 12 ASN B 19 TYR B 35 1 17 HELIX 13 13 PRO B 36 GLY B 46 5 11 HELIX 14 14 SER B 50 HIS B 56 1 7 HELIX 15 15 ASN B 57 LYS B 76 1 20 HELIX 16 16 ASN B 80 PHE B 85 1 6 HELIX 17 17 PHE B 85 LYS B 95 1 11 HELIX 18 18 PRO B 100 PHE B 118 1 19 HELIX 19 19 THR B 123 LEU B 143 1 21 HELIX 20 20 GLY B 144 HIS B 146 5 3 LINK NE2 HIS A 87 FE HEM A 150 1555 1555 2.19 LINK FE HEM A 150 C CMO A 151 1555 1555 1.76 LINK NE2 HIS B 92 FE HEM B 150 1555 1555 2.19 LINK FE HEM B 150 C CMO B 151 1555 1555 1.75 SITE 1 AC1 21 TYR A 42 PHE A 43 HIS A 45 PHE A 46 SITE 2 AC1 21 HIS A 58 ALA A 65 LEU A 83 HIS A 87 SITE 3 AC1 21 LEU A 91 VAL A 93 ASN A 97 PHE A 98 SITE 4 AC1 21 LEU A 101 LEU A 136 CMO A 151 HOH A 160 SITE 5 AC1 21 HOH A 162 HOH A 237 HOH A 274 HOH B 172 SITE 6 AC1 21 HOH B 185 SITE 1 AC2 3 HIS A 58 VAL A 62 HEM A 150 SITE 1 AC3 22 THR B 38 PHE B 41 PHE B 42 PHE B 45 SITE 2 AC3 22 LYS B 59 HIS B 63 LYS B 66 SER B 70 SITE 3 AC3 22 LEU B 88 HIS B 92 LEU B 96 VAL B 98 SITE 4 AC3 22 ASN B 102 PHE B 103 LEU B 106 LEU B 141 SITE 5 AC3 22 CMO B 151 HOH B 225 HOH B 229 HOH B 272 SITE 6 AC3 22 HOH B 317 HOH B 367 SITE 1 AC4 3 HIS B 63 VAL B 67 HEM B 150 CRYST1 112.355 62.104 53.987 90.00 110.22 90.00 C 1 2 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 0.008900 0.000000 0.003278 0.00000 SCALE2 0.000000 0.016102 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019739 0.00000