HEADER OXYGEN STORAGE/TRANSPORT 26-OCT-99 1D8U TITLE CRYSTAL STRUCTURE OF NON-SYMBIOTIC PLANT HEMOGLOBIN FROM RICE COMPND MOL_ID: 1; COMPND 2 MOLECULE: NON-SYMBIOTIC HEMOGLOBIN; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ORYZA SATIVA; SOURCE 3 ORGANISM_COMMON: RICE; SOURCE 4 ORGANISM_TAXID: 4530; SOURCE 5 ORGAN: ROOT; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET28A KEYWDS GLOBIN, BIS-HISTIDYL, HEME PROTEIN, OXYGEN STORAGE/TRANSPORT, OXYGEN KEYWDS 2 STORAGE-TRANSPORT COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR M.HARGROVE,E.A.BRUCKER,B.STEC,J.S.OLSON,G.N.PHILLIPS JR. REVDAT 7 07-FEB-24 1D8U 1 REMARK REVDAT 6 14-AUG-19 1D8U 1 REMARK REVDAT 5 24-JUL-19 1D8U 1 REMARK REVDAT 4 31-JAN-18 1D8U 1 REMARK REVDAT 3 24-FEB-09 1D8U 1 VERSN REVDAT 2 01-APR-03 1D8U 1 JRNL REVDAT 1 10-JAN-01 1D8U 0 JRNL AUTH M.S.HARGROVE,E.A.BRUCKER,B.STEC,G.SARATH,R.ARREDONDO-PETER, JRNL AUTH 2 R.V.KLUCAS,J.S.OLSON,G.N.PHILLIPS JR. JRNL TITL CRYSTAL STRUCTURE OF A NONSYMBIOTIC PLANT HEMOGLOBIN. JRNL REF STRUCTURE FOLD.DES. V. 8 1005 2000 JRNL REFN ISSN 0969-2126 JRNL PMID 10986467 JRNL DOI 10.1016/S0969-2126(00)00194-5 REMARK 2 REMARK 2 RESOLUTION. 2.35 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.35 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) (%) : 87.8 REMARK 3 NUMBER OF REFLECTIONS : 19025 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : 1 SET RANDOM REMARK 3 R VALUE (WORKING SET) : 0.208 REMARK 3 FREE R VALUE : 0.261 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1879 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 : 2576 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 86 REMARK 3 SOLVENT ATOMS : 203 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 27.20 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) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 2.110 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) : 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 1D8U COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-NOV-99. REMARK 100 THE DEPOSITION ID IS D_1000009898. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-AUG-97 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 7.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X4A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.74 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : FUJI REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19025 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 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 (%) : 87.8 REMARK 200 DATA REDUNDANCY : 8.060 REMARK 200 R MERGE (I) : 0.70000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.35 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.42 REMARK 200 COMPLETENESS FOR SHELL (%) : 0.7 REMARK 200 DATA REDUNDANCY IN SHELL : 3.40 REMARK 200 R MERGE FOR SHELL (I) : 0.27100 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: NULL REMARK 200 SOFTWARE USED: PHASES REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 64.71 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.49 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM PHOSPHATE, SUCROSE, POTASSIUM REMARK 280 PHOSPHATE, PH 7.8, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 22K, TEMPERATURE 295.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 18.50000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 37.00000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 37.00000 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 18.50000 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 0 REMARK 465 MET B 0 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 GLU A 4 37.44 -176.27 REMARK 500 ASN A 6 -60.94 -151.29 REMARK 500 ASN A 7 -13.68 -172.68 REMARK 500 LYS A 30 -3.56 -54.02 REMARK 500 ASP A 31 44.54 -156.95 REMARK 500 SER A 55 -148.63 54.24 REMARK 500 PHE A 56 54.32 171.62 REMARK 500 ASP A 61 88.22 -66.27 REMARK 500 ALA A 164 42.25 -89.45 REMARK 500 LEU B 2 30.49 -74.95 REMARK 500 GLU B 4 -66.83 -18.51 REMARK 500 ASP B 5 -165.62 -127.64 REMARK 500 ASN B 7 -27.33 -32.05 REMARK 500 ALA B 8 -7.93 -172.07 REMARK 500 VAL B 9 -167.98 -77.13 REMARK 500 VAL B 11 108.83 -172.97 REMARK 500 LYS B 30 -3.31 -52.12 REMARK 500 ASP B 31 42.50 -156.69 REMARK 500 PHE B 54 -104.42 -93.80 REMARK 500 PHE B 56 -115.53 -65.86 REMARK 500 ARG B 58 121.92 -174.45 REMARK 500 ASN B 59 -80.53 -166.05 REMARK 500 ASP B 61 65.17 29.97 REMARK 500 GLU B 65 93.63 -54.86 REMARK 500 ASN B 67 109.32 -55.27 REMARK 500 PRO B 163 150.40 -49.29 REMARK 500 ALA B 164 153.54 -37.56 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 166 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 73 NE2 REMARK 620 2 HEM A 166 NA 92.3 REMARK 620 3 HEM A 166 NB 94.9 89.9 REMARK 620 4 HEM A 166 NC 92.5 175.1 90.6 REMARK 620 5 HEM A 166 ND 91.4 89.6 173.7 89.4 REMARK 620 6 HIS A 108 NE2 177.7 88.4 87.2 86.7 86.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 166 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 73 NE2 REMARK 620 2 HEM B 166 NA 92.2 REMARK 620 3 HEM B 166 NB 93.5 90.0 REMARK 620 4 HEM B 166 NC 89.4 178.4 90.2 REMARK 620 5 HEM B 166 ND 89.8 90.3 176.6 89.4 REMARK 620 6 HIS B 108 NE2 177.0 90.2 88.3 88.2 88.4 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 166 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 166 DBREF 1D8U A 0 165 UNP O04986 HBL1_ORYSA 1 166 DBREF 1D8U B 0 165 UNP O04986 HBL1_ORYSA 1 166 SEQRES 1 A 166 MET ALA LEU VAL GLU ASP ASN ASN ALA VAL ALA VAL SER SEQRES 2 A 166 PHE SER GLU GLU GLN GLU ALA LEU VAL LEU LYS SER TRP SEQRES 3 A 166 ALA ILE LEU LYS LYS ASP SER ALA ASN ILE ALA LEU ARG SEQRES 4 A 166 PHE PHE LEU LYS ILE PHE GLU VAL ALA PRO SER ALA SER SEQRES 5 A 166 GLN MET PHE SER PHE LEU ARG ASN SER ASP VAL PRO LEU SEQRES 6 A 166 GLU LYS ASN PRO LYS LEU LYS THR HIS ALA MET SER VAL SEQRES 7 A 166 PHE VAL MET THR CYS GLU ALA ALA ALA GLN LEU ARG LYS SEQRES 8 A 166 ALA GLY LYS VAL THR VAL ARG ASP THR THR LEU LYS ARG SEQRES 9 A 166 LEU GLY ALA THR HIS LEU LYS TYR GLY VAL GLY ASP ALA SEQRES 10 A 166 HIS PHE GLU VAL VAL LYS PHE ALA LEU LEU ASP THR ILE SEQRES 11 A 166 LYS GLU GLU VAL PRO ALA ASP MET TRP SER PRO ALA MET SEQRES 12 A 166 LYS SER ALA TRP SER GLU ALA TYR ASP HIS LEU VAL ALA SEQRES 13 A 166 ALA ILE LYS GLN GLU MET LYS PRO ALA GLU SEQRES 1 B 166 MET ALA LEU VAL GLU ASP ASN ASN ALA VAL ALA VAL SER SEQRES 2 B 166 PHE SER GLU GLU GLN GLU ALA LEU VAL LEU LYS SER TRP SEQRES 3 B 166 ALA ILE LEU LYS LYS ASP SER ALA ASN ILE ALA LEU ARG SEQRES 4 B 166 PHE PHE LEU LYS ILE PHE GLU VAL ALA PRO SER ALA SER SEQRES 5 B 166 GLN MET PHE SER PHE LEU ARG ASN SER ASP VAL PRO LEU SEQRES 6 B 166 GLU LYS ASN PRO LYS LEU LYS THR HIS ALA MET SER VAL SEQRES 7 B 166 PHE VAL MET THR CYS GLU ALA ALA ALA GLN LEU ARG LYS SEQRES 8 B 166 ALA GLY LYS VAL THR VAL ARG ASP THR THR LEU LYS ARG SEQRES 9 B 166 LEU GLY ALA THR HIS LEU LYS TYR GLY VAL GLY ASP ALA SEQRES 10 B 166 HIS PHE GLU VAL VAL LYS PHE ALA LEU LEU ASP THR ILE SEQRES 11 B 166 LYS GLU GLU VAL PRO ALA ASP MET TRP SER PRO ALA MET SEQRES 12 B 166 LYS SER ALA TRP SER GLU ALA TYR ASP HIS LEU VAL ALA SEQRES 13 B 166 ALA ILE LYS GLN GLU MET LYS PRO ALA GLU HET HEM A 166 43 HET HEM B 166 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 5 HOH *203(H2 O) HELIX 1 1 SER A 14 LYS A 30 1 17 HELIX 2 2 ASP A 31 ALA A 47 1 17 HELIX 3 3 ALA A 47 GLN A 52 1 6 HELIX 4 4 PRO A 63 LYS A 66 5 4 HELIX 5 5 ASN A 67 GLY A 92 1 26 HELIX 6 6 ARG A 97 TYR A 111 1 15 HELIX 7 7 GLY A 114 VAL A 133 1 20 HELIX 8 8 SER A 139 GLU A 160 1 22 HELIX 9 9 SER B 14 LYS B 30 1 17 HELIX 10 10 ASP B 31 ALA B 47 1 17 HELIX 11 11 ALA B 47 GLN B 52 1 6 HELIX 12 12 ASN B 67 GLY B 92 1 26 HELIX 13 13 ARG B 97 TYR B 111 1 15 HELIX 14 14 GLY B 114 VAL B 133 1 20 HELIX 15 15 SER B 139 GLU B 160 1 22 LINK NE2 HIS A 73 FE HEM A 166 1555 1555 2.09 LINK NE2 HIS A 108 FE HEM A 166 1555 1555 2.08 LINK NE2 HIS B 73 FE HEM B 166 1555 1555 2.05 LINK NE2 HIS B 108 FE HEM B 166 1555 1555 2.11 SITE 1 AC1 17 ALA A 50 MET A 53 PHE A 54 LYS A 69 SITE 2 AC1 17 HIS A 73 ARG A 103 LEU A 104 THR A 107 SITE 3 AC1 17 HIS A 108 TYR A 111 VAL A 113 HIS A 117 SITE 4 AC1 17 PHE A 118 VAL A 121 LEU A 153 VAL A 154 SITE 5 AC1 17 HOH A 280 SITE 1 AC2 16 MET B 53 PHE B 54 LYS B 69 HIS B 73 SITE 2 AC2 16 ARG B 103 LEU B 104 THR B 107 HIS B 108 SITE 3 AC2 16 TYR B 111 VAL B 113 HIS B 117 PHE B 118 SITE 4 AC2 16 VAL B 121 LEU B 153 VAL B 154 HOH B 231 CRYST1 126.800 126.800 55.500 90.00 90.00 120.00 P 31 2 1 12 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 0.007886 0.004553 0.000000 0.00000 SCALE2 0.000000 0.009106 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018018 0.00000