HEADER OXYGEN BINDING 12-NOV-13 4NK1 TITLE CRYSTAL STRUCTURE OF PHOSPHATE-BOUND HELL'S GATE GLOBIN IV COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEMOGLOBIN-LIKE PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: METHYLACIDIPHILUM INFERNORUM; SOURCE 3 ORGANISM_TAXID: 481448; SOURCE 4 STRAIN: V4; SOURCE 5 GENE: MINF_1222; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: ROSETTA 2(DE3)PLYSS; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET-21A KEYWDS TRUNCATED, HEMOGLOBINS, PHOSPHATE-BOUND, HEME, TRUNCATED HEMOGLOBIN, KEYWDS 2 OXYGEN BINDING EXPDTA X-RAY DIFFRACTION AUTHOR F.JAMIL REVDAT 2 20-SEP-23 4NK1 1 REMARK LINK REVDAT 1 24-SEP-14 4NK1 0 JRNL AUTH F.JAMIL,A.H.TEH,E.SCHADICH,J.A.SAITO,N.NAJIMUDIN,M.ALAM JRNL TITL CRYSTAL STRUCTURE OF TRUNCATED HAEMOGLOBIN FROM AN EXTREMELY JRNL TITL 2 THERMOPHILIC AND ACIDOPHILIC BACTERIUM. JRNL REF J.BIOCHEM. V. 156 97 2014 JRNL REFN ISSN 0021-924X JRNL PMID 24733432 JRNL DOI 10.1093/JB/MVU023 REMARK 2 REMARK 2 RESOLUTION. 2.21 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.7.3_928) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.21 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.96 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 27404 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.214 REMARK 3 R VALUE (WORKING SET) : 0.213 REMARK 3 FREE R VALUE : 0.242 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.010 REMARK 3 FREE R VALUE TEST SET COUNT : 1372 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 29.9604 - 4.7557 0.96 2684 142 0.2432 0.2408 REMARK 3 2 4.7557 - 3.7771 0.99 2642 140 0.1880 0.1927 REMARK 3 3 3.7771 - 3.3003 1.00 2604 139 0.1754 0.2438 REMARK 3 4 3.3003 - 2.9989 1.00 2608 137 0.1960 0.2443 REMARK 3 5 2.9989 - 2.7841 1.00 2613 137 0.2186 0.3038 REMARK 3 6 2.7841 - 2.6201 1.00 2579 137 0.2225 0.2416 REMARK 3 7 2.6201 - 2.4889 1.00 2595 135 0.2275 0.2675 REMARK 3 8 2.4889 - 2.3806 1.00 2562 136 0.2360 0.3089 REMARK 3 9 2.3806 - 2.2890 1.00 2574 134 0.2562 0.2849 REMARK 3 10 2.2890 - 2.2100 1.00 2571 135 0.2698 0.2937 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 0.90 REMARK 3 SHRINKAGE RADIUS : 0.60 REMARK 3 K_SOL : 0.40 REMARK 3 B_SOL : 80.02 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.310 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 24.340 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) : -10.77840 REMARK 3 B22 (A**2) : 11.84530 REMARK 3 B33 (A**2) : -1.06690 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.008 2883 REMARK 3 ANGLE : 1.063 3928 REMARK 3 CHIRALITY : 0.081 397 REMARK 3 PLANARITY : 0.005 488 REMARK 3 DIHEDRAL : 16.981 1068 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4NK1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-DEC-13. REMARK 100 THE DEPOSITION ID IS D_1000083300. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-MAR-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 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 MICROMAX-007 HF REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : VARIMAX HF 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 : 27422 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.210 REMARK 200 RESOLUTION RANGE LOW (A) : 29.960 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 2.900 REMARK 200 R MERGE (I) : 0.06700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.21 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.29 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 2.86 REMARK 200 R MERGE FOR SHELL (I) : 0.38800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 1UX8 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.34 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.95 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 50% (V/V) 2-METHYL-2,4-PENTANEDIOL, REMARK 280 0.2 M AMMONIUM MONOPHOSPHATE BASIC IN 0.2 M TRIS-HCL PH 8.0, REMARK 280 VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K 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 34.12900 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 46.49550 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 42.24250 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 46.49550 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 34.12900 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 42.24250 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: 5580 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15830 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -71.0 KCAL/MOL 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 ASP A 2 REMARK 465 THR A 3 REMARK 465 PHE A 4 REMARK 465 VAL A 5 REMARK 465 SER A 6 REMARK 465 ARG A 7 REMARK 465 LEU A 8 REMARK 465 PRO A 9 REMARK 465 VAL A 10 REMARK 465 SER A 11 REMARK 465 GLN A 12 REMARK 465 PRO A 13 REMARK 465 GLN A 14 REMARK 465 GLU A 15 REMARK 465 HIS A 16 REMARK 465 PRO A 17 REMARK 465 MET A 18 REMARK 465 ALA A 19 REMARK 465 CYS A 20 REMARK 465 CYS A 21 REMARK 465 CYS A 22 REMARK 465 LYS A 23 REMARK 465 ASP A 24 REMARK 465 ARG A 25 REMARK 465 GLU A 26 REMARK 465 LYS A 27 REMARK 465 LYS A 28 REMARK 465 THR A 29 REMARK 465 ALA A 30 REMARK 465 GLU A 31 REMARK 465 SER A 32 REMARK 465 SER A 193 REMARK 465 MET B 1 REMARK 465 ASP B 2 REMARK 465 THR B 3 REMARK 465 PHE B 4 REMARK 465 VAL B 5 REMARK 465 SER B 6 REMARK 465 ARG B 7 REMARK 465 LEU B 8 REMARK 465 PRO B 9 REMARK 465 VAL B 10 REMARK 465 SER B 11 REMARK 465 GLN B 12 REMARK 465 PRO B 13 REMARK 465 GLN B 14 REMARK 465 GLU B 15 REMARK 465 HIS B 16 REMARK 465 PRO B 17 REMARK 465 MET B 18 REMARK 465 ALA B 19 REMARK 465 CYS B 20 REMARK 465 CYS B 21 REMARK 465 CYS B 22 REMARK 465 LYS B 23 REMARK 465 ASP B 24 REMARK 465 ARG B 25 REMARK 465 GLU B 26 REMARK 465 LYS B 27 REMARK 465 LYS B 28 REMARK 465 THR B 29 REMARK 465 ALA B 30 REMARK 465 GLU B 31 REMARK 465 SER B 193 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 HIS B 87 ND1 CD2 CE1 NE2 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 THR A 114 -60.36 -107.04 REMARK 500 LYS B 119 62.47 30.42 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 124 NE2 REMARK 620 2 HEM A 201 NA 94.6 REMARK 620 3 HEM A 201 NB 95.4 89.7 REMARK 620 4 HEM A 201 NC 86.1 176.1 86.4 REMARK 620 5 HEM A 201 ND 85.5 92.1 178.0 91.8 REMARK 620 6 PO4 A 202 O4 175.5 89.3 82.3 89.8 96.8 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 124 NE2 REMARK 620 2 HEM B 201 NA 93.6 REMARK 620 3 HEM B 201 NB 88.4 89.1 REMARK 620 4 HEM B 201 NC 86.6 176.0 86.9 REMARK 620 5 HEM B 201 ND 91.1 91.5 179.3 92.5 REMARK 620 6 PO4 B 202 O2 169.7 93.0 83.8 86.3 96.6 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 PO4 A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 202 DBREF 4NK1 A 1 193 UNP B3DVC3 B3DVC3_METI4 1 193 DBREF 4NK1 B 1 193 UNP B3DVC3 B3DVC3_METI4 1 193 SEQRES 1 A 193 MET ASP THR PHE VAL SER ARG LEU PRO VAL SER GLN PRO SEQRES 2 A 193 GLN GLU HIS PRO MET ALA CYS CYS CYS LYS ASP ARG GLU SEQRES 3 A 193 LYS LYS THR ALA GLU SER GLY SER ILE CYS GLU ALA ARG SEQRES 4 A 193 ILE ASP PHE VAL PHE PRO GLU VAL LYS PHE PRO SER LYS SEQRES 5 A 193 LYS VAL TYR LEU ALA ALA GLY GLU GLU LEU LEU ARG LYS SEQRES 6 A 193 LEU VAL GLU VAL HIS HIS GLU ASN LEU MET LYS SER LYS SEQRES 7 A 193 ILE HIS TYR LEU PHE PRO THR SER HIS GLU GLN LEU ARG SEQRES 8 A 193 SER LEU VAL LYS ARG SER ALA ASP PHE VAL VAL GLU MET SEQRES 9 A 193 CYS GLY GLY PRO PRO TYR TYR THR LEU THR ARG GLY GLU SEQRES 10 A 193 PRO LYS MET ARG ALA ARG HIS PHE SER VAL THR ILE ASP SEQRES 11 A 193 GLU LYS ALA ARG GLU ILE TRP LEU ALA CYS TYR LYS HIS SEQRES 12 A 193 ALA LEU LYS ASP VAL HIS PHE PRO LEU SER VAL LEU GLU SEQRES 13 A 193 GLU PHE TRP GLN TRP ILE GLU SER PHE SER ILE ARG MET SEQRES 14 A 193 ILE ASN ARG ARG THR THR LEU GLU PRO PRO ARG ARG VAL SEQRES 15 A 193 PRO TYR SER GLU ILE GLN ASP PHE PHE VAL SER SEQRES 1 B 193 MET ASP THR PHE VAL SER ARG LEU PRO VAL SER GLN PRO SEQRES 2 B 193 GLN GLU HIS PRO MET ALA CYS CYS CYS LYS ASP ARG GLU SEQRES 3 B 193 LYS LYS THR ALA GLU SER GLY SER ILE CYS GLU ALA ARG SEQRES 4 B 193 ILE ASP PHE VAL PHE PRO GLU VAL LYS PHE PRO SER LYS SEQRES 5 B 193 LYS VAL TYR LEU ALA ALA GLY GLU GLU LEU LEU ARG LYS SEQRES 6 B 193 LEU VAL GLU VAL HIS HIS GLU ASN LEU MET LYS SER LYS SEQRES 7 B 193 ILE HIS TYR LEU PHE PRO THR SER HIS GLU GLN LEU ARG SEQRES 8 B 193 SER LEU VAL LYS ARG SER ALA ASP PHE VAL VAL GLU MET SEQRES 9 B 193 CYS GLY GLY PRO PRO TYR TYR THR LEU THR ARG GLY GLU SEQRES 10 B 193 PRO LYS MET ARG ALA ARG HIS PHE SER VAL THR ILE ASP SEQRES 11 B 193 GLU LYS ALA ARG GLU ILE TRP LEU ALA CYS TYR LYS HIS SEQRES 12 B 193 ALA LEU LYS ASP VAL HIS PHE PRO LEU SER VAL LEU GLU SEQRES 13 B 193 GLU PHE TRP GLN TRP ILE GLU SER PHE SER ILE ARG MET SEQRES 14 B 193 ILE ASN ARG ARG THR THR LEU GLU PRO PRO ARG ARG VAL SEQRES 15 B 193 PRO TYR SER GLU ILE GLN ASP PHE PHE VAL SER HET HEM A 201 43 HET PO4 A 202 5 HET HEM B 201 43 HET PO4 B 202 5 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM PO4 PHOSPHATE ION HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 PO4 2(O4 P 3-) FORMUL 7 HOH *176(H2 O) HELIX 1 1 LYS A 52 GLY A 59 1 8 HELIX 2 2 GLY A 59 LYS A 76 1 18 HELIX 3 3 ILE A 79 PHE A 83 5 5 HELIX 4 4 SER A 86 CYS A 105 1 20 HELIX 5 5 PRO A 109 ARG A 115 1 7 HELIX 6 6 LYS A 119 PHE A 125 1 7 HELIX 7 7 ASP A 130 VAL A 148 1 19 HELIX 8 8 VAL A 154 SER A 166 1 13 HELIX 9 9 ILE A 167 ILE A 170 5 4 HELIX 10 10 PRO A 183 VAL A 192 1 10 HELIX 11 11 SER B 51 GLY B 59 1 9 HELIX 12 12 GLY B 59 MET B 75 1 17 HELIX 13 13 ILE B 79 PHE B 83 5 5 HELIX 14 14 SER B 86 CYS B 105 1 20 HELIX 15 15 LYS B 119 HIS B 124 1 6 HELIX 16 16 ASP B 130 VAL B 148 1 19 HELIX 17 17 PRO B 151 SER B 153 5 3 HELIX 18 18 VAL B 154 SER B 166 1 13 HELIX 19 19 ILE B 167 ILE B 170 5 4 HELIX 20 20 PRO B 183 GLN B 188 1 6 HELIX 21 21 ASP B 189 VAL B 192 5 4 SHEET 1 A 2 ILE A 35 CYS A 36 0 SHEET 2 A 2 VAL B 47 LYS B 48 -1 O VAL B 47 N CYS A 36 SHEET 1 B 2 VAL A 47 LYS A 48 0 SHEET 2 B 2 ILE B 35 CYS B 36 -1 O CYS B 36 N VAL A 47 LINK NE2 HIS A 124 FE HEM A 201 1555 1555 2.26 LINK FE HEM A 201 O4 PO4 A 202 1555 1555 2.26 LINK NE2 HIS B 124 FE HEM B 201 1555 1555 2.29 LINK FE HEM B 201 O2 PO4 B 202 1555 1555 2.07 SITE 1 AC1 16 LEU A 82 PHE A 83 PRO A 84 LEU A 93 SITE 2 AC1 16 ARG A 96 PHE A 100 TYR A 111 ARG A 115 SITE 3 AC1 16 ARG A 123 HIS A 124 VAL A 127 TRP A 137 SITE 4 AC1 16 SER A 166 MET A 169 PO4 A 202 HOH A 402 SITE 1 AC2 7 HIS A 70 HIS A 71 PHE A 83 SER A 97 SITE 2 AC2 7 TRP A 137 HEM A 201 HOH A 313 SITE 1 AC3 11 LEU B 82 PHE B 83 PHE B 100 TYR B 111 SITE 2 AC3 11 ARG B 115 ARG B 123 HIS B 124 ILE B 129 SITE 3 AC3 11 TRP B 137 SER B 166 PO4 B 202 SITE 1 AC4 7 HIS B 70 HIS B 71 PHE B 83 SER B 97 SITE 2 AC4 7 TRP B 137 HEM B 201 HOH B 327 CRYST1 68.258 84.485 92.991 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 0.014650 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011836 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010754 0.00000