HEADER OXYGEN STORAGE 07-SEP-17 5YCJ TITLE ANCESTRAL MYOGLOBIN AMBWB' OF BASILOSAURUS RELATIVE (POLYPHYLY) TITLE 2 IMIDAZOLE-LIGAND COMPND MOL_ID: 1; COMPND 2 MOLECULE: ANCESTRAL MYOGLOBIN AMBWB' OF BASILOSAURUS RELATIVE COMPND 3 (POLYPHYLY); COMPND 4 CHAIN: A, B; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PHYSETER CATODON; SOURCE 3 ORGANISM_TAXID: 9755; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS GLOBIN, MOLECULAR ARCHAEOLOGY, ANCIENT PROTEIN, PROTEIN EVOLUTION, KEYWDS 2 DEEP-SEA ADAPTATION, OXYGEN STORAGE EXPDTA X-RAY DIFFRACTION AUTHOR Y.ISOGAI,H.IMAMURA,S.NAKAE,T.SUMI,K.TAKAHASHI,T.NAKAGAWA, AUTHOR 2 A.TSUNESHIGE,T.SHIRAI REVDAT 3 27-MAR-24 5YCJ 1 LINK REVDAT 2 12-DEC-18 5YCJ 1 JRNL REVDAT 1 19-SEP-18 5YCJ 0 JRNL AUTH Y.ISOGAI,H.IMAMURA,S.NAKAE,T.SUMI,K.I.TAKAHASHI,T.NAKAGAWA, JRNL AUTH 2 A.TSUNESHIGE,T.SHIRAI JRNL TITL TRACING WHALE MYOGLOBIN EVOLUTION BY RESURRECTING ANCIENT JRNL TITL 2 PROTEINS. JRNL REF SCI REP V. 8 16883 2018 JRNL REFN ESSN 2045-2322 JRNL PMID 30442991 JRNL DOI 10.1038/S41598-018-34984-6 REMARK 2 REMARK 2 RESOLUTION. 1.58 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.11.1_2575 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) : 1.58 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.97 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.3 REMARK 3 NUMBER OF REFLECTIONS : 40921 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.154 REMARK 3 R VALUE (WORKING SET) : 0.152 REMARK 3 FREE R VALUE : 0.183 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.050 REMARK 3 FREE R VALUE TEST SET COUNT : 2068 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 24.9762 - 3.8921 0.98 2733 154 0.1685 0.1863 REMARK 3 2 3.8921 - 3.0911 1.00 2700 137 0.1443 0.1684 REMARK 3 3 3.0911 - 2.7009 1.00 2640 136 0.1561 0.1641 REMARK 3 4 2.7009 - 2.4542 1.00 2600 136 0.1480 0.1723 REMARK 3 5 2.4542 - 2.2784 1.00 2620 132 0.1373 0.1954 REMARK 3 6 2.2784 - 2.1442 1.00 2589 140 0.1465 0.1621 REMARK 3 7 2.1442 - 2.0368 1.00 2577 143 0.1474 0.1994 REMARK 3 8 2.0368 - 1.9482 1.00 2603 125 0.1504 0.1880 REMARK 3 9 1.9482 - 1.8732 1.00 2581 124 0.1567 0.1915 REMARK 3 10 1.8732 - 1.8086 0.99 2566 138 0.1534 0.1932 REMARK 3 11 1.8086 - 1.7521 0.99 2579 123 0.1543 0.2136 REMARK 3 12 1.7521 - 1.7020 0.99 2517 133 0.1515 0.1908 REMARK 3 13 1.7020 - 1.6572 0.99 2527 151 0.1493 0.1798 REMARK 3 14 1.6572 - 1.6168 0.98 2519 141 0.1591 0.2616 REMARK 3 15 1.6168 - 1.5800 0.99 2502 155 0.1491 0.1874 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) : 0.120 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 16.020 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 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 : 0.014 2701 REMARK 3 ANGLE : 1.453 3664 REMARK 3 CHIRALITY : 0.394 371 REMARK 3 PLANARITY : 0.006 465 REMARK 3 DIHEDRAL : 24.509 984 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 5YCJ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 07-SEP-17. REMARK 100 THE DEPOSITION ID IS D_1300005035. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-SEP-15 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 9.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL26B1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RAYONIX MX225-HS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : IMOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 41217 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.580 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 12.30 REMARK 200 R MERGE (I) : 0.07100 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 29.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.58 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.67 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 10.10 REMARK 200 R MERGE FOR SHELL (I) : 0.11200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 25.30 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: 5YCJ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.94 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M MIB BUFFER (25 MM SODIUM REMARK 280 MALONATE DIBASIC MONOHYDRATE, 37.5 MM BORIC ACID, 37.5 MM REMARK 280 IMIDAZOLE PH 9.0), 25 % (W/V) PEG1500, 2% (W/V) AMBWB', VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 291K 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 19.60000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 54.19000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 34.56000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 54.19000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 19.60000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 34.56000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1050 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 7790 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -19.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1070 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 8400 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -19.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 GLY A -3 REMARK 465 SER A -2 REMARK 465 HIS A -1 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 ASP A 20 71.67 -158.96 REMARK 500 PHE A 123 72.47 -112.93 REMARK 500 ASP B 20 71.12 -158.97 REMARK 500 LYS B 96 -60.11 -106.84 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 555 DISTANCE = 5.83 ANGSTROMS REMARK 525 HOH A 556 DISTANCE = 5.92 ANGSTROMS REMARK 525 HOH B 518 DISTANCE = 5.94 ANGSTROMS 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 93 NE2 REMARK 620 2 HEM A 201 NA 93.7 REMARK 620 3 HEM A 201 NB 89.3 86.7 REMARK 620 4 HEM A 201 NC 94.7 170.9 89.9 REMARK 620 5 HEM A 201 ND 93.7 88.6 174.6 94.3 REMARK 620 6 IMD A 202 N1 175.3 87.0 95.5 85.0 81.6 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 93 NE2 REMARK 620 2 HEM B 201 NA 94.5 REMARK 620 3 HEM B 201 NB 90.1 87.6 REMARK 620 4 HEM B 201 NC 97.5 167.9 92.5 REMARK 620 5 HEM B 201 ND 94.3 85.9 172.4 93.2 REMARK 620 6 IMD B 202 N1 175.7 83.3 93.5 84.6 81.9 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 IMD 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 IMD B 202 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5YCE RELATED DB: PDB REMARK 900 RELATED ID: 5YCG RELATED DB: PDB REMARK 900 RELATED ID: 5YCH RELATED DB: PDB REMARK 900 RELATED ID: 5YCI RELATED DB: PDB DBREF 5YCJ A -3 153 PDB 5YCJ 5YCJ -3 153 DBREF 5YCJ B -3 153 PDB 5YCJ 5YCJ -3 153 SEQRES 1 A 157 GLY SER HIS MET GLY LEU SER ASP GLY GLU TRP GLN LEU SEQRES 2 A 157 VAL LEU ASN ILE TRP GLY LYS VAL GLU ALA ASP VAL ALA SEQRES 3 A 157 GLY HIS GLY GLN ASP VAL LEU ILE ARG LEU PHE LYS GLY SEQRES 4 A 157 HIS PRO GLU THR LEU GLU LYS PHE ASP LYS PHE LYS HIS SEQRES 5 A 157 LEU LYS THR GLU ALA GLU MET LYS ALA SER GLU ASP LEU SEQRES 6 A 157 LYS LYS HIS GLY ASN THR VAL LEU THR ALA LEU GLY GLY SEQRES 7 A 157 ILE LEU LYS LYS LYS GLY HIS HIS GLU ALA GLU LEU LYS SEQRES 8 A 157 PRO LEU ALA GLN SER HIS ALA THR LYS HIS LYS ILE PRO SEQRES 9 A 157 ILE LYS TYR LEU GLU PHE ILE SER ASP ALA ILE ILE HIS SEQRES 10 A 157 VAL LEU HIS SER ARG HIS PRO GLY ASP PHE GLY ALA ASP SEQRES 11 A 157 ALA GLN GLY ALA MET ASN LYS ALA LEU GLU LEU PHE ARG SEQRES 12 A 157 LYS ASP ILE ALA ALA LYS TYR LYS GLU LEU GLY PHE GLN SEQRES 13 A 157 GLY SEQRES 1 B 157 GLY SER HIS MET GLY LEU SER ASP GLY GLU TRP GLN LEU SEQRES 2 B 157 VAL LEU ASN ILE TRP GLY LYS VAL GLU ALA ASP VAL ALA SEQRES 3 B 157 GLY HIS GLY GLN ASP VAL LEU ILE ARG LEU PHE LYS GLY SEQRES 4 B 157 HIS PRO GLU THR LEU GLU LYS PHE ASP LYS PHE LYS HIS SEQRES 5 B 157 LEU LYS THR GLU ALA GLU MET LYS ALA SER GLU ASP LEU SEQRES 6 B 157 LYS LYS HIS GLY ASN THR VAL LEU THR ALA LEU GLY GLY SEQRES 7 B 157 ILE LEU LYS LYS LYS GLY HIS HIS GLU ALA GLU LEU LYS SEQRES 8 B 157 PRO LEU ALA GLN SER HIS ALA THR LYS HIS LYS ILE PRO SEQRES 9 B 157 ILE LYS TYR LEU GLU PHE ILE SER ASP ALA ILE ILE HIS SEQRES 10 B 157 VAL LEU HIS SER ARG HIS PRO GLY ASP PHE GLY ALA ASP SEQRES 11 B 157 ALA GLN GLY ALA MET ASN LYS ALA LEU GLU LEU PHE ARG SEQRES 12 B 157 LYS ASP ILE ALA ALA LYS TYR LYS GLU LEU GLY PHE GLN SEQRES 13 B 157 GLY HET HEM A 201 43 HET IMD A 202 5 HET HEM B 201 43 HET IMD B 202 5 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM IMD IMIDAZOLE HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 IMD 2(C3 H5 N2 1+) FORMUL 7 HOH *474(H2 O) HELIX 1 AA1 SER A 3 GLU A 18 1 16 HELIX 2 AA2 ASP A 20 HIS A 36 1 17 HELIX 3 AA3 HIS A 36 GLU A 41 1 6 HELIX 4 AA4 LYS A 42 LYS A 47 5 6 HELIX 5 AA5 THR A 51 ALA A 57 1 7 HELIX 6 AA6 SER A 58 LYS A 78 1 21 HELIX 7 AA7 HIS A 82 LYS A 96 1 15 HELIX 8 AA8 ILE A 101 HIS A 119 1 19 HELIX 9 AA9 GLY A 124 LEU A 149 1 26 HELIX 10 AB1 SER B 3 GLU B 18 1 16 HELIX 11 AB2 ASP B 20 HIS B 36 1 17 HELIX 12 AB3 PRO B 37 LYS B 47 5 11 HELIX 13 AB4 THR B 51 SER B 58 1 8 HELIX 14 AB5 SER B 58 LYS B 77 1 20 HELIX 15 AB6 HIS B 82 LYS B 96 1 15 HELIX 16 AB7 PRO B 100 HIS B 119 1 20 HELIX 17 AB8 GLY B 124 LEU B 149 1 26 LINK NE2 HIS A 93 FE HEM A 201 1555 1555 2.10 LINK FE HEM A 201 N1 IMD A 202 1555 1555 2.16 LINK NE2 HIS B 93 FE HEM B 201 1555 1555 2.07 LINK FE HEM B 201 N1 IMD B 202 1555 1555 2.19 SITE 1 AC1 16 THR A 39 PHE A 43 HIS A 64 THR A 67 SITE 2 AC1 16 VAL A 68 LEU A 89 SER A 92 HIS A 93 SITE 3 AC1 16 HIS A 97 ILE A 99 TYR A 103 IMD A 202 SITE 4 AC1 16 HOH A 311 HOH A 328 HOH A 387 HOH A 419 SITE 1 AC2 4 PHE A 43 HIS A 64 VAL A 68 HEM A 201 SITE 1 AC3 17 LYS B 42 PHE B 43 HIS B 64 THR B 67 SITE 2 AC3 17 VAL B 68 ALA B 71 LEU B 89 SER B 92 SITE 3 AC3 17 HIS B 93 HIS B 97 ILE B 99 TYR B 103 SITE 4 AC3 17 IMD B 202 HOH B 311 HOH B 327 HOH B 345 SITE 5 AC3 17 HOH B 374 SITE 1 AC4 4 PHE B 43 HIS B 64 VAL B 68 HEM B 201 CRYST1 39.200 69.120 108.380 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 0.025510 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014468 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009227 0.00000