HEADER OXYGEN STORAGE/TRANSPORT 21-JUL-04 1WMU TITLE CRYSTAL STRUCTURE OF HEMOGLOBIN D FROM THE ALDABRA GIANT TORTOISE, TITLE 2 GEOCHELONE GIGANTEA, AT 1.65 A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEMOGLOBIN D ALPHA CHAIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: HEMOGLOBIN ALPHA-D CHAIN; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: HEMOGLOBIN A AND D BETA CHAIN; COMPND 7 CHAIN: B; COMPND 8 SYNONYM: HEMOGLOBIN 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, OXYGEN STORAGE-TRANSPORT COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR T.KUWADA,T.HASEGAWA,I.SATOH,K.ISHIKAWA,F.SHISHIKURA REVDAT 3 25-OCT-23 1WMU 1 REMARK LINK REVDAT 2 24-FEB-09 1WMU 1 VERSN REVDAT 1 03-AUG-04 1WMU 0 JRNL AUTH T.KUWADA,T.HASEGAWA,I.SATOH,K.ISHIKAWA,F.SHISHIKURA JRNL TITL CRYSTAL STRUCTURE OF HEMOGLOBIN D FROM THE ALDABRA GIANT JRNL TITL 2 TORTOISE, GEOCHELONE GIGANTEA, AT 1.65 A RESOLUTION JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.65 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNX 2000.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN,MOLECULAR REMARK 3 : SIMULATIONS (BADGER,BERARD,KUMAR,SZALMA, REMARK 3 : YIP,DZAKULA) REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.65 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.48 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1422458.080 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 94.6 REMARK 3 NUMBER OF REFLECTIONS : 39799 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) : 0.193 REMARK 3 R VALUE (WORKING SET) : 0.193 REMARK 3 FREE R VALUE : 0.220 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.100 REMARK 3 FREE R VALUE TEST SET COUNT : 4000 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.003 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) : 1.65 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.75 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 91.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5699 REMARK 3 BIN R VALUE (WORKING SET) : 0.3650 REMARK 3 BIN FREE R VALUE : 0.3850 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 629 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.015 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 : 86 REMARK 3 SOLVENT ATOMS : 510 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 26.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -3.62000 REMARK 3 B22 (A**2) : 8.26000 REMARK 3 B33 (A**2) : -4.64000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.13000 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) : 0.20 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) : 0.23 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.22 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.100 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 16.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.700 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 : 0.32 REMARK 3 BSOL : 51.23 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 : ION.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : HEM.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : ION.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : HEM.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1WMU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 23-JUL-04. REMARK 100 THE DEPOSITION ID IS D_1000023756. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-DEC-03 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 FR-E+ SUPERBRIGHT 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 VII REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSTALCLEAR REMARK 200 DATA SCALING SOFTWARE : CRYSTALCLEAR REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 39802 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.650 REMARK 200 RESOLUTION RANGE LOW (A) : 40.480 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.7 REMARK 200 DATA REDUNDANCY : 7.390 REMARK 200 R MERGE (I) : 0.03100 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.65 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.71 REMARK 200 COMPLETENESS FOR SHELL (%) : 90.6 REMARK 200 DATA REDUNDANCY IN SHELL : 7.14 REMARK 200 R MERGE FOR SHELL (I) : 0.21100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 5.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNX 2000.1 REMARK 200 STARTING MODEL: PDB ENTRY 1V75 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.39 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.96 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 50MM TRIS-HCL, PH 7.5, TEMPERATURE REMARK 280 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 56.12200 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.06900 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 56.12200 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 31.06900 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 OPERATIONS: 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 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 112.24400 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 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 ARG A 115 NE - CZ - NH2 ANGL. DEV. = -3.6 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 HIS A 20 53.85 -143.58 REMARK 500 HIS A 72 51.55 -104.25 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 201 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 87 NE2 REMARK 620 2 HEM A 201 NA 86.8 REMARK 620 3 HEM A 201 NB 86.7 89.3 REMARK 620 4 HEM A 201 NC 94.9 177.9 92.1 REMARK 620 5 HEM A 201 ND 95.5 90.7 177.8 87.9 REMARK 620 6 HOH A 202 O 176.0 95.9 90.3 82.5 87.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 201 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 92 NE2 REMARK 620 2 HEM B 201 NA 87.1 REMARK 620 3 HEM B 201 NB 87.7 89.8 REMARK 620 4 HEM B 201 NC 94.6 177.6 91.9 REMARK 620 5 HEM B 201 ND 93.5 90.8 178.7 87.4 REMARK 620 6 HOH B 202 O 178.2 92.7 90.5 85.6 88.3 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 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 201 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1V75 RELATED DB: PDB REMARK 900 THE SAME PROTEIN CRYSTALLIZED USING PRECIPITANT DBREF 1WMU A 1 141 UNP P83134 HBAD_ALDEL 1 141 DBREF 1WMU 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 201 43 HET HEM B 201 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 5 HOH *510(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 ALA A 137 1 20 HELIX 10 10 GLU A 138 ARG A 141 5 4 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 77 ASP B 79 5 3 HELIX 17 17 ASN B 80 PHE B 85 1 6 HELIX 18 18 PHE B 85 LYS B 95 1 11 HELIX 19 19 PRO B 100 PHE B 118 1 19 HELIX 20 20 THR B 123 LEU B 143 1 21 LINK NE2 HIS A 87 FE HEM A 201 1555 1555 2.18 LINK FE HEM A 201 O HOH A 202 1555 1555 1.99 LINK NE2 HIS B 92 FE HEM B 201 1555 1555 2.18 LINK FE HEM B 201 O HOH B 202 1555 1555 2.01 SITE 1 AC1 20 TYR A 42 PHE A 43 HIS A 45 PHE A 46 SITE 2 AC1 20 HIS A 58 LEU A 83 HIS A 87 LEU A 91 SITE 3 AC1 20 VAL A 93 ASN A 97 PHE A 98 LEU A 101 SITE 4 AC1 20 LEU A 136 HOH A 202 HOH A 218 HOH A 220 SITE 5 AC1 20 HOH A 235 HOH A 236 HOH A 265 HOH A 409 SITE 1 AC2 21 THR B 38 PHE B 41 PHE B 42 PHE B 45 SITE 2 AC2 21 HIS B 63 LYS B 66 LEU B 88 HIS B 92 SITE 3 AC2 21 LEU B 96 VAL B 98 ASN B 102 PHE B 103 SITE 4 AC2 21 LEU B 106 LEU B 141 HOH B 202 HOH B 244 SITE 5 AC2 21 HOH B 274 HOH B 286 HOH B 356 HOH B 358 SITE 6 AC2 21 HOH B 379 CRYST1 112.244 62.138 53.926 90.00 109.98 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 0.008909 0.000000 0.003239 0.00000 SCALE2 0.000000 0.016093 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019732 0.00000