HEADER OXYGEN TRANSPORT 24-JUL-13 3WFX TITLE CRYSTAL STRUCTURE OF THE IMIDAZOLE-BOUND FORM OF THE HGBRL'S GLOBIN TITLE 2 DOMAIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEMOGLOBIN-LIKE FLAVOPROTEIN FUSED TO ROADBLOCK/LC7 DOMAIN; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: N-TERMINAL GLOBIN DOMAIN, UNP RESIDUES 1-133; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: METHYLACIDIPHILUM INFERNORUM; SOURCE 3 ORGANISM_TAXID: 481448; SOURCE 4 STRAIN: V4; SOURCE 5 GENE: HMP, MINF_1089; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET-3A KEYWDS GLOBIN, SIGNALLING, IMIDAZOLE, OXYGEN TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR A.H.TEH REVDAT 3 08-NOV-23 3WFX 1 REMARK REVDAT 2 30-DEC-20 3WFX 1 JRNL REMARK SEQADV LINK REVDAT 1 06-AUG-14 3WFX 0 JRNL AUTH A.H.TEH,J.A.SAITO,N.NAJIMUDIN,M.ALAM JRNL TITL OPEN AND LYS-HIS HEXACOORDINATED CLOSED STRUCTURES OF A JRNL TITL 2 GLOBIN WITH SWAPPED PROXIMAL AND DISTAL SITES. JRNL REF SCI REP V. 5 11407 2015 JRNL REFN ESSN 2045-2322 JRNL PMID 26094577 JRNL DOI 10.1038/SREP11407 REMARK 2 REMARK 2 RESOLUTION. 1.94 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.8.2 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) : 1.94 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.23 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.3 REMARK 3 NUMBER OF REFLECTIONS : 21703 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.186 REMARK 3 R VALUE (WORKING SET) : 0.183 REMARK 3 FREE R VALUE : 0.234 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1086 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 27.2343 - 3.8767 0.91 2575 136 0.1708 0.1978 REMARK 3 2 3.8767 - 3.0784 0.96 2638 139 0.1743 0.2236 REMARK 3 3 3.0784 - 2.6897 0.98 2672 141 0.1849 0.2397 REMARK 3 4 2.6897 - 2.4439 0.98 2674 140 0.1834 0.2411 REMARK 3 5 2.4439 - 2.2689 0.97 2648 140 0.1953 0.2745 REMARK 3 6 2.2689 - 2.1351 0.86 2338 123 0.2118 0.2777 REMARK 3 7 2.1351 - 2.0282 0.88 2395 126 0.2154 0.2884 REMARK 3 8 2.0282 - 1.9400 0.99 2677 141 0.1980 0.2825 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.210 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 24.300 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.87 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 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 : 0.007 2547 REMARK 3 ANGLE : 1.027 3450 REMARK 3 CHIRALITY : 0.070 353 REMARK 3 PLANARITY : 0.005 418 REMARK 3 DIHEDRAL : 20.230 980 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 3WFX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 10-AUG-13. REMARK 100 THE DEPOSITION ID IS D_1000096285. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-OCT-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.6 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 : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21708 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.940 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.3 REMARK 200 DATA REDUNDANCY : 2.700 REMARK 200 R MERGE (I) : 0.04400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.8900 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.94 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.99 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.4 REMARK 200 DATA REDUNDANCY IN SHELL : 2.60 REMARK 200 R MERGE FOR SHELL (I) : 0.30700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.990 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 3S1I REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.58 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.35 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 3.5M 1,6-HEXANEDIOL, 0.1M SODIUM REMARK 280 CITRATE, PH 5.6, VAPOR DIFFUSION, SITTING 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 49.29000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 22.16500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 49.29000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 22.16500 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: 10160 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14900 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -77.0 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 HIS A 137 REMARK 465 HIS A 138 REMARK 465 HIS B 136 REMARK 465 HIS B 137 REMARK 465 HIS B 138 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 OH TYR A 28 O HOH A 301 1.98 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 LYS A 19 47.22 -107.66 REMARK 500 LYS A 43 56.86 -104.45 REMARK 500 ASP B 45 78.93 -169.54 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 81 NE2 REMARK 620 2 HEM A 201 NA 86.7 REMARK 620 3 HEM A 201 NB 84.0 89.2 REMARK 620 4 HEM A 201 NC 92.2 178.6 89.9 REMARK 620 5 HEM A 201 ND 94.1 91.4 177.9 89.5 REMARK 620 6 IMD B 201 N1 177.6 94.2 98.2 86.9 83.7 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 203 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 IMD A 204 N1 REMARK 620 2 HEM B 203 NA 90.8 REMARK 620 3 HEM B 203 NB 94.5 86.0 REMARK 620 4 HEM B 203 NC 89.9 178.6 92.7 REMARK 620 5 HEM B 203 ND 85.3 93.0 179.0 88.2 REMARK 620 6 HIS B 81 NE2 176.5 85.8 86.3 93.5 93.9 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 HEZ A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEZ A 203 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IMD A 204 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IMD B 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEZ B 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 203 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEZ B 204 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEZ B 205 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEZ B 206 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3WFW RELATED DB: PDB DBREF 3WFX A 1 133 UNP B3DUZ1 B3DUZ1_METI4 1 133 DBREF 3WFX B 1 133 UNP B3DUZ1 B3DUZ1_METI4 1 133 SEQADV 3WFX HIS A 134 UNP B3DUZ1 EXPRESSION TAG SEQADV 3WFX HIS A 135 UNP B3DUZ1 EXPRESSION TAG SEQADV 3WFX HIS A 136 UNP B3DUZ1 EXPRESSION TAG SEQADV 3WFX HIS A 137 UNP B3DUZ1 EXPRESSION TAG SEQADV 3WFX HIS A 138 UNP B3DUZ1 EXPRESSION TAG SEQADV 3WFX HIS B 134 UNP B3DUZ1 EXPRESSION TAG SEQADV 3WFX HIS B 135 UNP B3DUZ1 EXPRESSION TAG SEQADV 3WFX HIS B 136 UNP B3DUZ1 EXPRESSION TAG SEQADV 3WFX HIS B 137 UNP B3DUZ1 EXPRESSION TAG SEQADV 3WFX HIS B 138 UNP B3DUZ1 EXPRESSION TAG SEQRES 1 A 138 MET THR ARG GLU GLU ILE LYS MET ILE GLN LYS SER TRP SEQRES 2 A 138 LEU ARG VAL ILE ASP LYS MET ASP GLU ALA GLY LEU LEU SEQRES 3 A 138 PHE TYR ARG ARG LEU PHE ASP VAL GLU PRO LYS VAL ARG SEQRES 4 A 138 PRO LEU PHE LYS ILE ASP ILE GLU LYS GLN GLY ARG LYS SEQRES 5 A 138 LEU MET ASP VAL LEU ASN TRP ILE VAL LEU ASN LEU GLN SEQRES 6 A 138 ASP ILE ASP ALA ALA LEU ASP ALA ALA ARG GLU LEU ALA SEQRES 7 A 138 ARG ARG HIS VAL LYS TYR GLY VAL LYS ALA GLU HIS TYR SEQRES 8 A 138 PRO VAL VAL GLY HIS THR LEU ILE TRP THR LEU ARG LYS SEQRES 9 A 138 MET ILE GLY SER GLU TRP THR LYS GLN LEU GLU GLN LEU SEQRES 10 A 138 TRP THR GLN ALA TYR GLU ALA LEU ALA GLN VAL MET ILE SEQRES 11 A 138 GLU GLU HIS HIS HIS HIS HIS HIS SEQRES 1 B 138 MET THR ARG GLU GLU ILE LYS MET ILE GLN LYS SER TRP SEQRES 2 B 138 LEU ARG VAL ILE ASP LYS MET ASP GLU ALA GLY LEU LEU SEQRES 3 B 138 PHE TYR ARG ARG LEU PHE ASP VAL GLU PRO LYS VAL ARG SEQRES 4 B 138 PRO LEU PHE LYS ILE ASP ILE GLU LYS GLN GLY ARG LYS SEQRES 5 B 138 LEU MET ASP VAL LEU ASN TRP ILE VAL LEU ASN LEU GLN SEQRES 6 B 138 ASP ILE ASP ALA ALA LEU ASP ALA ALA ARG GLU LEU ALA SEQRES 7 B 138 ARG ARG HIS VAL LYS TYR GLY VAL LYS ALA GLU HIS TYR SEQRES 8 B 138 PRO VAL VAL GLY HIS THR LEU ILE TRP THR LEU ARG LYS SEQRES 9 B 138 MET ILE GLY SER GLU TRP THR LYS GLN LEU GLU GLN LEU SEQRES 10 B 138 TRP THR GLN ALA TYR GLU ALA LEU ALA GLN VAL MET ILE SEQRES 11 B 138 GLU GLU HIS HIS HIS HIS HIS HIS HET HEM A 201 43 HET HEZ A 202 8 HET HEZ A 203 8 HET IMD A 204 5 HET IMD B 201 5 HET HEZ B 202 8 HET HEM B 203 43 HET HEZ B 204 8 HET HEZ B 205 8 HET HEZ B 206 8 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM HEZ HEXANE-1,6-DIOL HETNAM IMD IMIDAZOLE HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 HEZ 6(C6 H14 O2) FORMUL 6 IMD 2(C3 H5 N2 1+) FORMUL 13 HOH *145(H2 O) HELIX 1 1 THR A 2 LYS A 19 1 18 HELIX 2 2 LYS A 19 GLU A 35 1 17 HELIX 3 3 PRO A 36 PHE A 42 5 7 HELIX 4 4 ASP A 45 GLU A 47 5 3 HELIX 5 5 LYS A 48 GLY A 85 1 38 HELIX 6 6 LYS A 87 GLU A 89 5 3 HELIX 7 7 HIS A 90 GLY A 107 1 18 HELIX 8 8 SER A 108 TRP A 110 5 3 HELIX 9 9 THR A 111 HIS A 136 1 26 HELIX 10 10 THR B 2 LYS B 19 1 18 HELIX 11 11 LYS B 19 GLU B 35 1 17 HELIX 12 12 PRO B 36 PHE B 42 5 7 HELIX 13 13 ASP B 45 GLU B 47 5 3 HELIX 14 14 LYS B 48 LEU B 71 1 24 HELIX 15 15 LEU B 71 GLY B 85 1 15 HELIX 16 16 LYS B 87 GLU B 89 5 3 HELIX 17 17 HIS B 90 GLY B 107 1 18 HELIX 18 18 SER B 108 TRP B 110 5 3 HELIX 19 19 THR B 111 HIS B 134 1 24 LINK NE2 HIS A 81 FE HEM A 201 1555 1555 2.13 LINK FE HEM A 201 N1 IMD B 201 1555 1555 2.11 LINK N1 IMD A 204 FE HEM B 203 1555 1555 2.16 LINK NE2 HIS B 81 FE HEM B 203 1555 1555 2.15 SITE 1 AC1 19 LEU A 77 ARG A 80 HIS A 81 TYR A 84 SITE 2 AC1 19 VAL A 86 HIS A 90 TYR A 91 VAL A 94 SITE 3 AC1 19 TYR A 122 MET A 129 HOH A 319 LEU B 41 SITE 4 AC1 19 PHE B 42 LYS B 43 ASP B 55 ILE B 60 SITE 5 AC1 19 IMD B 201 HEZ B 206 HOH B 303 SITE 1 AC2 6 ILE A 60 ASN A 63 LEU A 64 ILE A 67 SITE 2 AC2 6 HOH A 303 LEU B 71 SITE 1 AC3 2 PRO A 92 TYR A 122 SITE 1 AC4 5 PHE A 27 PHE A 42 VAL A 56 HOH A 301 SITE 2 AC4 5 HEM B 203 SITE 1 AC5 4 HEM A 201 TYR B 28 VAL B 56 HOH B 303 SITE 1 AC6 6 HIS A 96 HOH A 304 HOH A 342 ARG B 30 SITE 2 AC6 6 HOH B 301 HOH B 309 SITE 1 AC7 18 LEU A 41 PHE A 42 LYS A 43 ILE A 44 SITE 2 AC7 18 IMD A 204 LEU B 77 ARG B 80 HIS B 81 SITE 3 AC7 18 TYR B 84 VAL B 86 HIS B 90 TYR B 91 SITE 4 AC7 18 VAL B 94 TYR B 122 LEU B 125 MET B 129 SITE 5 AC7 18 HOH B 322 HOH B 323 SITE 1 AC8 6 HIS B 96 ILE B 99 GLU B 115 GLU B 123 SITE 2 AC8 6 HOH B 306 HOH B 319 SITE 1 AC9 8 ALA A 74 ALA A 121 LEU A 125 HOH A 316 SITE 2 AC9 8 ILE B 60 ASN B 63 LEU B 64 ILE B 67 SITE 1 BC1 5 HEM A 201 HOH A 319 ASP B 55 TRP B 59 SITE 2 BC1 5 HOH B 334 CRYST1 98.580 44.330 81.880 90.00 119.68 90.00 C 1 2 1 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 0.010144 0.000000 0.005782 0.00000 SCALE2 0.000000 0.022558 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014058 0.00000