HEADER HEME BINDING PROTEIN 14-NOV-17 6BME TITLE CRYSTAL STRUCTURE OF CHLAMYDOMONAS REINHARDTII THB4 COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRUNCATED HEMOGLOBIN 4; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CHLAMYDOMONAS REINHARDTII; SOURCE 3 ORGANISM_COMMON: CHLAMYDOMONAS SMITHII; SOURCE 4 ORGANISM_TAXID: 3055; SOURCE 5 GENE: THB4; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS GLOBIN, HEME, TRUNCATED HEMOGLOBIN, 2-ON-2 HEMOGLOBIN, LYSINE AXIAL KEYWDS 2 LIGAND, HEXACOORDINATE, HEME BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.M.RUSSO,J.L.SCHLESSMAN,J.T.J.LECOMTE REVDAT 5 13-MAR-24 6BME 1 REMARK REVDAT 4 27-NOV-19 6BME 1 REMARK REVDAT 3 16-JAN-19 6BME 1 JRNL REVDAT 2 17-JAN-18 6BME 1 REMARK REVDAT 1 20-DEC-17 6BME 0 JRNL AUTH E.A.JOHNSON,M.M.RUSSO,D.B.NYE,J.L.SCHLESSMAN,J.T.J.LECOMTE JRNL TITL LYSINE AS A HEME IRON LIGAND: A PROPERTY COMMON TO THREE JRNL TITL 2 TRUNCATED HEMOGLOBINS FROM CHLAMYDOMONAS REINHARDTII. JRNL REF BIOCHIM BIOPHYS ACTA GEN V.1862 2660 2018 JRNL REF 2 SUBJ JRNL REFN ISSN 1872-8006 JRNL PMID 30251657 JRNL DOI 10.1016/J.BBAGEN.2018.08.009 REMARK 2 REMARK 2 RESOLUTION. 1.90 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 : MLHL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.68 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 38227 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.192 REMARK 3 R VALUE (WORKING SET) : 0.188 REMARK 3 FREE R VALUE : 0.227 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.820 REMARK 3 FREE R VALUE TEST SET COUNT : 3754 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 20.6777 - 5.6599 1.00 1276 135 0.1715 0.2470 REMARK 3 2 5.6599 - 4.5077 1.00 1286 137 0.1679 0.1747 REMARK 3 3 4.5077 - 3.9424 1.00 1314 128 0.1538 0.1633 REMARK 3 4 3.9424 - 3.5840 1.00 1258 151 0.1543 0.1603 REMARK 3 5 3.5840 - 3.3282 1.00 1283 137 0.1921 0.2047 REMARK 3 6 3.3282 - 3.1327 1.00 1264 139 0.2007 0.2293 REMARK 3 7 3.1327 - 2.9763 1.00 1261 158 0.2001 0.2325 REMARK 3 8 2.9763 - 2.8471 1.00 1311 114 0.1984 0.2226 REMARK 3 9 2.8471 - 2.7377 1.00 1269 139 0.1978 0.2476 REMARK 3 10 2.7377 - 2.6435 1.00 1296 143 0.2004 0.2552 REMARK 3 11 2.6435 - 2.5610 1.00 1251 139 0.1929 0.2335 REMARK 3 12 2.5610 - 2.4879 1.00 1295 140 0.1976 0.2308 REMARK 3 13 2.4879 - 2.4225 1.00 1298 139 0.1933 0.2493 REMARK 3 14 2.4225 - 2.3635 1.00 1240 158 0.1920 0.2416 REMARK 3 15 2.3635 - 2.3098 1.00 1322 120 0.2030 0.2795 REMARK 3 16 2.3098 - 2.2607 1.00 1274 134 0.1875 0.2077 REMARK 3 17 2.2607 - 2.2156 1.00 1263 149 0.1869 0.2662 REMARK 3 18 2.2156 - 2.1738 1.00 1276 135 0.1949 0.2666 REMARK 3 19 2.1738 - 2.1350 1.00 1315 126 0.1971 0.2903 REMARK 3 20 2.1350 - 2.0989 1.00 1272 155 0.1850 0.2538 REMARK 3 21 2.0989 - 2.0650 1.00 1228 155 0.1936 0.1969 REMARK 3 22 2.0650 - 2.0333 1.00 1302 141 0.1948 0.2702 REMARK 3 23 2.0333 - 2.0034 1.00 1297 131 0.1940 0.2358 REMARK 3 24 2.0034 - 1.9752 1.00 1262 140 0.2263 0.2542 REMARK 3 25 1.9752 - 1.9485 1.00 1306 125 0.2181 0.2846 REMARK 3 26 1.9485 - 1.9233 1.00 1300 133 0.2199 0.3254 REMARK 3 27 1.9233 - 1.8992 0.97 1154 153 0.2329 0.2883 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) : 0.200 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 24.120 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.74 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.42 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 : 0.008 2105 REMARK 3 ANGLE : 0.736 2866 REMARK 3 CHIRALITY : 0.045 299 REMARK 3 PLANARITY : 0.005 358 REMARK 3 DIHEDRAL : 13.303 1180 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 2 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: (CHAIN 'A' AND RESID 32 THROUGH 158) REMARK 3 ORIGIN FOR THE GROUP (A): 30.3146 15.9956 14.6772 REMARK 3 T TENSOR REMARK 3 T11: 0.1312 T22: 0.1038 REMARK 3 T33: 0.0926 T12: -0.0469 REMARK 3 T13: 0.0060 T23: -0.0159 REMARK 3 L TENSOR REMARK 3 L11: 1.7931 L22: 1.8222 REMARK 3 L33: 1.7589 L12: 0.8424 REMARK 3 L13: -0.2465 L23: 0.3387 REMARK 3 S TENSOR REMARK 3 S11: -0.0397 S12: 0.1347 S13: -0.1269 REMARK 3 S21: -0.0326 S22: 0.0332 S23: 0.0484 REMARK 3 S31: 0.2672 S32: -0.1822 S33: -0.0050 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: (CHAIN 'B' AND RESID 33 THROUGH 157) REMARK 3 ORIGIN FOR THE GROUP (A): 24.6453 17.5718 39.4132 REMARK 3 T TENSOR REMARK 3 T11: 0.1334 T22: 0.1218 REMARK 3 T33: 0.0984 T12: -0.0598 REMARK 3 T13: -0.0163 T23: 0.0078 REMARK 3 L TENSOR REMARK 3 L11: 2.4383 L22: 2.0134 REMARK 3 L33: 2.5025 L12: 1.1803 REMARK 3 L13: -0.4124 L23: -0.9733 REMARK 3 S TENSOR REMARK 3 S11: 0.1077 S12: -0.2331 S13: 0.0247 REMARK 3 S21: 0.1518 S22: -0.1539 S23: -0.0815 REMARK 3 S31: -0.2202 S32: 0.1869 S33: 0.0311 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 6BME COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-NOV-17. REMARK 100 THE DEPOSITION ID IS D_1000231079. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-JUN-17 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : SEALED TUBE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : OTHER REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : AGILENT ATLAS CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSALISPRO 1.171.36.32 REMARK 200 DATA SCALING SOFTWARE : CRYSALISPRO 1.171.36.32 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 38306 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.899 REMARK 200 RESOLUTION RANGE LOW (A) : 20.680 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 8.500 REMARK 200 R MERGE (I) : 0.02800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 32.3700 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.20 REMARK 200 R MERGE FOR SHELL (I) : 0.16900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: PHENIX 1.11.1_2575 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.95 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.23 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M AMMONIUM SULFATE, 0.1 M BIS-TRIS REMARK 280 PH 5.5, 20% PEG 3350, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 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 37.20000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 34.15000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 37.20000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 34.15000 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 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 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 ASP A 159 REMARK 465 SER B 32 REMARK 465 VAL B 158 REMARK 465 ASP B 159 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 O1D HEM B 201 O HOH B 301 2.18 REMARK 500 O HOH A 367 O HOH A 380 2.19 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 LYS A 76 NZ REMARK 620 2 HEM A 201 NA 92.4 REMARK 620 3 HEM A 201 NB 83.3 90.4 REMARK 620 4 HEM A 201 NC 89.4 178.2 90.1 REMARK 620 5 HEM A 201 ND 97.2 89.4 179.4 90.1 REMARK 620 6 HIS A 100 NE2 172.0 87.0 88.7 91.2 90.7 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 LYS B 76 NZ REMARK 620 2 HEM B 201 NA 91.5 REMARK 620 3 HEM B 201 NB 85.4 88.3 REMARK 620 4 HEM B 201 NC 89.5 178.9 91.6 REMARK 620 5 HEM B 201 ND 94.8 93.3 178.4 86.9 REMARK 620 6 HIS B 100 NE2 171.0 87.2 85.6 91.8 94.2 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 A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 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 SO4 B 202 DBREF 6BME A 32 159 UNP R9RY64 R9RY64_CHLRE 58 185 DBREF 6BME B 32 159 UNP R9RY64 R9RY64_CHLRE 58 185 SEQRES 1 A 128 SER THR LEU HIS ALA LYS LEU GLY GLY ALA ALA ALA VAL SEQRES 2 A 128 ALA ALA THR VAL ASP VAL PHE TYR LYS LYS LEU MET ASN SEQRES 3 A 128 ASP PRO ASP LEU GLU PRO PHE PHE ARG GLY VAL ASP MET SEQRES 4 A 128 VAL THR LEU ILE ALA LYS GLN ASN ARG PHE LEU ALA TYR SEQRES 5 A 128 ALA PHE GLY ALA THR THR HIS TYR HIS GLY LYS ASP ILE SEQRES 6 A 128 VAL MET GLY HIS ALA HIS LEU ILE ILE ASN ARG GLY LEU SEQRES 7 A 128 ASN LEU THR HIS PHE ASP LYS VAL ALA GLY HIS PHE VAL SEQRES 8 A 128 ASP SER LEU LYS GLU MET GLY VAL GLY GLN GLU LEU ILE SEQRES 9 A 128 ASP GLU ALA ALA GLY VAL LEU ILE GLY VAL ARG PRO LEU SEQRES 10 A 128 PHE ASP PRO GLU ARG TYR LYS GLY LYS VAL ASP SEQRES 1 B 128 SER THR LEU HIS ALA LYS LEU GLY GLY ALA ALA ALA VAL SEQRES 2 B 128 ALA ALA THR VAL ASP VAL PHE TYR LYS LYS LEU MET ASN SEQRES 3 B 128 ASP PRO ASP LEU GLU PRO PHE PHE ARG GLY VAL ASP MET SEQRES 4 B 128 VAL THR LEU ILE ALA LYS GLN ASN ARG PHE LEU ALA TYR SEQRES 5 B 128 ALA PHE GLY ALA THR THR HIS TYR HIS GLY LYS ASP ILE SEQRES 6 B 128 VAL MET GLY HIS ALA HIS LEU ILE ILE ASN ARG GLY LEU SEQRES 7 B 128 ASN LEU THR HIS PHE ASP LYS VAL ALA GLY HIS PHE VAL SEQRES 8 B 128 ASP SER LEU LYS GLU MET GLY VAL GLY GLN GLU LEU ILE SEQRES 9 B 128 ASP GLU ALA ALA GLY VAL LEU ILE GLY VAL ARG PRO LEU SEQRES 10 B 128 PHE ASP PRO GLU ARG TYR LYS GLY LYS VAL ASP HET HEM A 201 43 HET SO4 A 202 5 HET HEM B 201 43 HET SO4 B 202 5 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM SO4 SULFATE ION HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 SO4 2(O4 S 2-) FORMUL 7 HOH *188(H2 O) HELIX 1 AA1 THR A 33 LEU A 38 1 6 HELIX 2 AA2 GLY A 40 ASN A 57 1 18 HELIX 3 AA3 LEU A 61 ARG A 66 5 6 HELIX 4 AA4 ASP A 69 PHE A 85 1 17 HELIX 5 AA5 HIS A 92 ARG A 107 1 16 HELIX 6 AA6 ASN A 110 MET A 128 1 19 HELIX 7 AA7 GLY A 131 ARG A 146 1 16 HELIX 8 AA8 PRO A 147 TYR A 154 5 8 HELIX 9 AA9 LEU B 34 LEU B 38 1 5 HELIX 10 AB1 GLY B 40 ASN B 57 1 18 HELIX 11 AB2 LEU B 61 ARG B 66 1 6 HELIX 12 AB3 ASP B 69 PHE B 85 1 17 HELIX 13 AB4 HIS B 92 ARG B 107 1 16 HELIX 14 AB5 ASN B 110 MET B 128 1 19 HELIX 15 AB6 GLY B 131 ARG B 146 1 16 HELIX 16 AB7 PRO B 147 TYR B 154 5 8 LINK NZ LYS A 76 FE HEM A 201 1555 1555 2.14 LINK NE2 HIS A 100 FE HEM A 201 1555 1555 2.03 LINK NZ LYS B 76 FE HEM B 201 1555 1555 2.21 LINK NE2 HIS B 100 FE HEM B 201 1555 1555 2.01 SITE 1 AC1 19 PHE A 64 PHE A 65 THR A 72 ALA A 75 SITE 2 AC1 19 LYS A 76 PHE A 80 TYR A 91 HIS A 100 SITE 3 AC1 19 HIS A 102 LEU A 109 PHE A 114 VAL A 117 SITE 4 AC1 19 LEU A 142 VAL A 145 PHE A 149 HOH A 307 SITE 5 AC1 19 HOH A 311 HOH A 362 HOH A 380 SITE 1 AC2 7 ARG A 79 THR A 88 THR A 89 HIS A 90 SITE 2 AC2 7 TYR A 91 HOH A 312 HOH A 313 SITE 1 AC3 17 HOH A 308 HOH A 347 PHE B 64 PHE B 65 SITE 2 AC3 17 THR B 72 LYS B 76 PHE B 80 TYR B 91 SITE 3 AC3 17 HIS B 100 LEU B 109 PHE B 114 VAL B 145 SITE 4 AC3 17 PHE B 149 HOH B 301 HOH B 322 HOH B 336 SITE 5 AC3 17 HOH B 364 SITE 1 AC4 8 ARG B 79 THR B 88 THR B 89 HIS B 90 SITE 2 AC4 8 TYR B 91 HOH B 316 HOH B 318 HOH B 333 CRYST1 74.400 68.300 49.400 90.00 90.00 90.00 P 21 21 2 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 0.013441 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014641 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020243 0.00000