HEADER OXYGEN STORAGE/TRANSPORT 22-JAN-04 1S66 TITLE CRYSTAL STRUCTURE OF HEME DOMAIN OF DIRECT OXYGEN SENSOR FROM E. COLI COMPND MOL_ID: 1; COMPND 2 MOLECULE: HYPOTHETICAL PROTEIN YDDU; COMPND 3 CHAIN: L, U; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: YDDU, B1489; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS PAS, OXYGEN SENSOR, DOS, HEME PROTEIN, OXYGEN STORAGE-TRANSPORT KEYWDS 2 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR H.J.PARK,C.SUQUET,J.D.SATTERLEE,C.H.KANG REVDAT 4 14-FEB-24 1S66 1 REMARK LINK REVDAT 3 24-FEB-09 1S66 1 VERSN REVDAT 2 26-APR-05 1S66 1 JRNL AUTHOR REVDAT 1 22-JUN-04 1S66 0 JRNL AUTH H.J.PARK,C.SUQUET,J.D.SATTERLEE,C.H.KANG JRNL TITL INSIGHTS INTO SIGNAL TRANSDUCTION INVOLVING PAS DOMAIN JRNL TITL 2 OXYGEN-SENSING HEME PROTEINS FROM THE X-RAY CRYSTAL JRNL TITL 3 STRUCTURE OF ESCHERICHIA COLI DOS HEME DOMAIN (EC DOSH) JRNL REF BIOCHEMISTRY V. 43 2738 2004 JRNL REFN ISSN 0006-2960 JRNL PMID 15005609 JRNL DOI 10.1021/BI035980P REMARK 2 REMARK 2 RESOLUTION. 1.80 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) : 1.80 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) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 21995 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.189 REMARK 3 FREE R VALUE : 0.224 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1116 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 : 1880 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 88 REMARK 3 SOLVENT ATOMS : 164 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) : 0.023 REMARK 3 BOND ANGLES (DEGREES) : 1.690 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 1S66 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-FEB-04. REMARK 100 THE DEPOSITION ID IS D_1000021416. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-DEC-01 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.738,1.741,1.033 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : BLU-ICE REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23111 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.05500 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) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.94 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.46 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG, NA TARTARATE, NA ACETATE, PH 4.5, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 23.59450 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 41.40450 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 34.15500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 41.40450 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 23.59450 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 34.15500 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 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4860 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11700 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -58.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: L, U 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 ASN U 16 REMARK 465 ALA U 17 REMARK 465 ALA U 18 REMARK 465 ASP U 19 REMARK 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 LYS L 89 REMARK 475 ALA L 90 REMARK 475 ARG L 91 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 ASP L 72 CB - CG - OD2 ANGL. DEV. = 5.5 DEGREES REMARK 500 ASP U 72 CB - CG - OD2 ANGL. DEV. = 5.8 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 PHE L 45 87.65 -161.51 REMARK 500 ARG L 91 110.77 61.16 REMARK 500 GLU L 93 -86.09 -6.66 REMARK 500 LYS U 89 137.23 -38.38 REMARK 500 ALA U 133 40.48 -110.00 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 L1135 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS L 77 NE2 REMARK 620 2 HEM L1135 NA 85.2 REMARK 620 3 HEM L1135 NB 87.9 89.4 REMARK 620 4 HEM L1135 NC 91.6 176.5 89.1 REMARK 620 5 HEM L1135 ND 91.4 90.5 179.3 90.9 REMARK 620 6 OXY L1136 O1 173.3 92.7 85.7 90.3 95.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM U2135 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS U 77 NE2 REMARK 620 2 HEM U2135 NA 92.4 REMARK 620 3 HEM U2135 NB 97.0 89.4 REMARK 620 4 HEM U2135 NC 89.0 178.0 89.1 REMARK 620 5 HEM U2135 ND 83.2 90.9 179.7 90.7 REMARK 620 6 MET U 95 SD 171.1 89.6 91.7 89.2 88.2 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 L 1135 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OXY L 1136 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM U 2135 DBREF 1S66 L 16 134 UNP P76129 DOS_ECOLI 8 126 DBREF 1S66 U 16 134 UNP P76129 DOS_ECOLI 8 126 SEQRES 1 L 119 ASN ALA ALA ASP GLY ILE PHE PHE PRO ALA LEU GLU GLN SEQRES 2 L 119 ASN MET MET GLY ALA VAL LEU ILE ASN GLU ASN ASP GLU SEQRES 3 L 119 VAL MET PHE PHE ASN PRO ALA ALA GLU LYS LEU TRP GLY SEQRES 4 L 119 TYR LYS ARG GLU GLU VAL ILE GLY ASN ASN ILE ASP MET SEQRES 5 L 119 LEU ILE PRO ARG ASP LEU ARG PRO ALA HIS PRO GLU TYR SEQRES 6 L 119 ILE ARG HIS ASN ARG GLU GLY GLY LYS ALA ARG VAL GLU SEQRES 7 L 119 GLY MET SER ARG GLU LEU GLN LEU GLU LYS LYS ASP GLY SEQRES 8 L 119 SER LYS ILE TRP THR ARG PHE ALA LEU SER LYS VAL SER SEQRES 9 L 119 ALA GLU GLY LYS VAL TYR TYR LEU ALA LEU VAL ARG ASP SEQRES 10 L 119 ALA SER SEQRES 1 U 119 ASN ALA ALA ASP GLY ILE PHE PHE PRO ALA LEU GLU GLN SEQRES 2 U 119 ASN MET MET GLY ALA VAL LEU ILE ASN GLU ASN ASP GLU SEQRES 3 U 119 VAL MET PHE PHE ASN PRO ALA ALA GLU LYS LEU TRP GLY SEQRES 4 U 119 TYR LYS ARG GLU GLU VAL ILE GLY ASN ASN ILE ASP MET SEQRES 5 U 119 LEU ILE PRO ARG ASP LEU ARG PRO ALA HIS PRO GLU TYR SEQRES 6 U 119 ILE ARG HIS ASN ARG GLU GLY GLY LYS ALA ARG VAL GLU SEQRES 7 U 119 GLY MET SER ARG GLU LEU GLN LEU GLU LYS LYS ASP GLY SEQRES 8 U 119 SER LYS ILE TRP THR ARG PHE ALA LEU SER LYS VAL SER SEQRES 9 U 119 ALA GLU GLY LYS VAL TYR TYR LEU ALA LEU VAL ARG ASP SEQRES 10 U 119 ALA SER HET HEM L1135 43 HET OXY L1136 2 HET HEM U2135 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM OXY OXYGEN MOLECULE HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 OXY O2 FORMUL 6 HOH *164(H2 O) HELIX 1 1 PHE L 22 GLN L 28 1 7 HELIX 2 2 ASN L 46 GLY L 54 1 9 HELIX 3 3 LYS L 56 ILE L 61 1 6 HELIX 4 4 ASN L 64 LEU L 68 5 5 HELIX 5 5 ALA L 76 GLY L 88 1 13 HELIX 6 6 ILE U 21 GLN U 28 1 8 HELIX 7 7 ASN U 46 GLY U 54 1 9 HELIX 8 8 LYS U 56 ILE U 61 1 6 HELIX 9 9 ASN U 64 ILE U 69 5 6 HELIX 10 10 PRO U 70 ARG U 74 5 5 HELIX 11 11 ALA U 76 GLY U 88 1 13 SHEET 1 A 5 VAL L 42 PHE L 45 0 SHEET 2 A 5 GLY L 32 ILE L 36 -1 N LEU L 35 O PHE L 44 SHEET 3 A 5 LYS L 123 VAL L 130 -1 O VAL L 130 N GLY L 32 SHEET 4 A 5 PHE L 113 ALA L 120 -1 N SER L 116 O LEU L 127 SHEET 5 A 5 SER L 96 ARG L 97 -1 N ARG L 97 O PHE L 113 SHEET 1 B 2 GLN L 100 GLU L 102 0 SHEET 2 B 2 LYS L 108 TRP L 110 -1 O ILE L 109 N LEU L 101 SHEET 1 C 5 VAL U 42 PHE U 45 0 SHEET 2 C 5 GLY U 32 ILE U 36 -1 N LEU U 35 O MET U 43 SHEET 3 C 5 LYS U 123 ASP U 132 -1 O VAL U 130 N GLY U 32 SHEET 4 C 5 LYS U 108 ALA U 120 -1 N SER U 116 O LEU U 127 SHEET 5 C 5 LEU U 99 GLU U 102 -1 N LEU U 101 O ILE U 109 LINK NE2 HIS L 77 FE HEM L1135 1555 1555 2.20 LINK FE HEM L1135 O1 OXY L1136 1555 1555 2.31 LINK NE2 HIS U 77 FE HEM U2135 1555 1555 2.30 LINK SD MET U 95 FE HEM U2135 1555 1555 2.70 SITE 1 AC1 20 VAL L 34 ILE L 36 ILE L 65 LEU L 68 SITE 2 AC1 20 ILE L 69 PRO L 70 LEU L 73 HIS L 77 SITE 3 AC1 20 TYR L 80 ASN L 84 MET L 95 ARG L 97 SITE 4 AC1 20 LEU L 99 PHE L 113 LEU L 115 TYR L 126 SITE 5 AC1 20 OXY L1136 HOH L1156 LEU U 99 HEM U2135 SITE 1 AC2 3 ARG L 97 PHE L 113 HEM L1135 SITE 1 AC3 22 HEM L1135 VAL U 34 ILE U 36 ILE U 65 SITE 2 AC3 22 LEU U 68 ILE U 69 PRO U 70 LEU U 73 SITE 3 AC3 22 HIS U 77 TYR U 80 ASN U 84 GLY U 94 SITE 4 AC3 22 MET U 95 PHE U 113 LEU U 115 TYR U 126 SITE 5 AC3 22 ALA U 128 HOH U2140 HOH U2163 HOH U2173 SITE 6 AC3 22 HOH U2209 HOH U2216 CRYST1 47.189 68.310 82.809 90.00 90.00 90.00 P 21 21 21 8 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 0.021191 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014639 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012076 0.00000