HEADER OXYGEN TRANSPORT 24-JUN-19 6KAQ TITLE CARBONMONOXY HUMAN HEMOGLOBIN C IN THE R QUATERNARY STRUCTURE AT 140 TITLE 2 K: DARK COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEMOGLOBIN SUBUNIT ALPHA; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ALPHA-GLOBIN,HEMOGLOBIN ALPHA CHAIN; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: HEMOGLOBIN SUBUNIT BETA; COMPND 7 CHAIN: B; COMPND 8 SYNONYM: BETA-GLOBIN,HEMOGLOBIN BETA CHAIN SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 7 ORGANISM_COMMON: HUMAN; SOURCE 8 ORGANISM_TAXID: 9606 KEYWDS HEMOGLOBIN, PHOTOLYSIS, OXYGEN TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR N.SHIBAYAMA,S.Y.PARK,M.OHKI,A.SATO-TOMITA REVDAT 4 22-NOV-23 6KAQ 1 LINK REVDAT 3 18-MAR-20 6KAQ 1 JRNL REVDAT 2 04-MAR-20 6KAQ 1 JRNL REVDAT 1 19-FEB-20 6KAQ 0 JRNL AUTH N.SHIBAYAMA,A.SATO-TOMITA,M.OHKI,K.ICHIYANAGI,S.Y.PARK JRNL TITL DIRECT OBSERVATION OF LIGAND MIGRATION WITHIN HUMAN JRNL TITL 2 HEMOGLOBIN AT WORK. JRNL REF PROC.NATL.ACAD.SCI.USA V. 117 4741 2020 JRNL REFN ESSN 1091-6490 JRNL PMID 32071219 JRNL DOI 10.1073/PNAS.1913663117 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX DEV_1839 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.21 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 46183 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.194 REMARK 3 R VALUE (WORKING SET) : 0.192 REMARK 3 FREE R VALUE : 0.220 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.070 REMARK 3 FREE R VALUE TEST SET COUNT : 2340 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 19.2117 - 3.8474 1.00 2824 157 0.1740 0.1891 REMARK 3 2 3.8474 - 3.0578 1.00 2686 150 0.1906 0.2102 REMARK 3 3 3.0578 - 2.6724 1.00 2605 153 0.2114 0.2582 REMARK 3 4 2.6724 - 2.4286 1.00 2619 126 0.2037 0.2307 REMARK 3 5 2.4286 - 2.2548 1.00 2589 131 0.1972 0.2015 REMARK 3 6 2.2548 - 2.1220 1.00 2584 136 0.1902 0.2330 REMARK 3 7 2.1220 - 2.0159 1.00 2575 136 0.1900 0.2239 REMARK 3 8 2.0159 - 1.9282 1.00 2572 116 0.1901 0.2357 REMARK 3 9 1.9282 - 1.8541 1.00 2532 145 0.1884 0.2290 REMARK 3 10 1.8541 - 1.7901 1.00 2528 143 0.2023 0.2240 REMARK 3 11 1.7901 - 1.7342 1.00 2539 143 0.2033 0.2344 REMARK 3 12 1.7342 - 1.6846 1.00 2534 131 0.1912 0.2440 REMARK 3 13 1.6846 - 1.6403 1.00 2562 134 0.1929 0.2397 REMARK 3 14 1.6403 - 1.6003 1.00 2519 142 0.1915 0.2047 REMARK 3 15 1.6003 - 1.5640 1.00 2539 135 0.1966 0.2299 REMARK 3 16 1.5640 - 1.5307 1.00 2498 128 0.2078 0.2219 REMARK 3 17 1.5307 - 1.5001 1.00 2538 134 0.2170 0.2680 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL 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) : 0.150 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 20.200 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.88 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.61 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 2356 REMARK 3 ANGLE : 1.083 3224 REMARK 3 CHIRALITY : 0.040 350 REMARK 3 PLANARITY : 0.007 402 REMARK 3 DIHEDRAL : 11.692 801 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): 23.6913 -19.8087 11.2913 REMARK 3 T TENSOR REMARK 3 T11: 0.1370 T22: 0.1067 REMARK 3 T33: 0.1135 T12: 0.0165 REMARK 3 T13: 0.0553 T23: 0.0020 REMARK 3 L TENSOR REMARK 3 L11: 0.9331 L22: 0.7507 REMARK 3 L33: 0.9818 L12: -0.0818 REMARK 3 L13: -0.0975 L23: 0.2975 REMARK 3 S TENSOR REMARK 3 S11: -0.0361 S12: 0.0831 S13: -0.0347 REMARK 3 S21: 0.1189 S22: 0.0184 S23: 0.0535 REMARK 3 S31: -0.0689 S32: -0.1296 S33: -0.0072 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 6KAQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 25-JUN-19. REMARK 100 THE DEPOSITION ID IS D_1300012647. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-NOV-18 REMARK 200 TEMPERATURE (KELVIN) : 140 REMARK 200 PH : 7.20 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : AR-NW12A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 2M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSALISPRO REMARK 200 DATA SCALING SOFTWARE : AIMLESS 0.2.7 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 46289 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 19.280 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 10.90 REMARK 200 R MERGE (I) : 0.05700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 21.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.56 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 10.90 REMARK 200 R MERGE FOR SHELL (I) : 0.49300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 3S66 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.83 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.23 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.528 M SODIUM DIHYDROGEN PHOSPHATE, REMARK 280 1.122 M DIPOTASSIUM HYDROGEN PHOSPHATE, 10%V/V GLYCEROL, PH 7.20, REMARK 280 BATCH MODE, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 96.40600 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 26.79150 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 26.79150 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 48.20300 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 26.79150 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 26.79150 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 144.60900 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 26.79150 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 26.79150 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 48.20300 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 26.79150 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 26.79150 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 144.60900 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 96.40600 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 11810 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23680 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -116.0 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 350 BIOMT1 2 0.000000 1.000000 0.000000 53.58300 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 -53.58300 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 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 OD1 ASP A 47 OG SER A 49 2.18 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 ASP A 75 37.79 -143.42 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 87 NE2 REMARK 620 2 HEM A 201 NA 87.4 REMARK 620 3 HEM A 201 NB 87.2 89.2 REMARK 620 4 HEM A 201 NC 89.0 176.4 90.0 REMARK 620 5 HEM A 201 ND 89.6 91.6 176.6 89.0 REMARK 620 6 CMO A 202 C 173.3 98.1 89.0 85.4 94.1 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 92 NE2 REMARK 620 2 HEM B 201 NA 86.9 REMARK 620 3 HEM B 201 NB 85.1 90.2 REMARK 620 4 HEM B 201 NC 84.2 170.9 91.0 REMARK 620 5 HEM B 201 ND 88.0 90.0 173.1 87.7 REMARK 620 6 CMO B 202 C 176.3 95.8 92.4 93.2 94.5 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 CMO 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 CMO B 202 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 6KA9 RELATED DB: PDB REMARK 900 RELATED ID: 6KAE RELATED DB: PDB REMARK 900 RELATED ID: 6KAH RELATED DB: PDB REMARK 900 RELATED ID: 6KAI RELATED DB: PDB REMARK 900 RELATED ID: 6KAO RELATED DB: PDB REMARK 900 RELATED ID: 6KAP RELATED DB: PDB DBREF 6KAQ A 1 141 UNP P69905 HBA_HUMAN 2 142 DBREF 6KAQ B 1 146 UNP P68871 HBB_HUMAN 2 147 SEQADV 6KAQ LYS B 6 UNP P68871 GLU 7 VARIANT SEQRES 1 A 141 VAL LEU SER PRO ALA ASP LYS THR ASN VAL LYS ALA ALA SEQRES 2 A 141 TRP GLY LYS VAL GLY ALA HIS ALA GLY GLU TYR GLY ALA SEQRES 3 A 141 GLU ALA LEU GLU ARG MET PHE LEU SER PHE PRO THR THR SEQRES 4 A 141 LYS THR TYR PHE PRO HIS PHE ASP LEU SER HIS GLY SER SEQRES 5 A 141 ALA GLN VAL LYS GLY HIS GLY LYS LYS VAL ALA ASP ALA SEQRES 6 A 141 LEU THR ASN ALA VAL ALA HIS VAL ASP ASP MET PRO ASN SEQRES 7 A 141 ALA LEU SER ALA LEU SER ASP LEU HIS ALA HIS LYS LEU SEQRES 8 A 141 ARG VAL ASP PRO VAL ASN PHE LYS LEU LEU SER HIS CYS SEQRES 9 A 141 LEU LEU VAL THR LEU ALA ALA HIS LEU PRO ALA GLU PHE SEQRES 10 A 141 THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU ALA SEQRES 11 A 141 SER VAL SER THR VAL LEU THR SER LYS TYR ARG SEQRES 1 B 146 VAL HIS LEU THR PRO LYS GLU LYS SER ALA VAL THR ALA SEQRES 2 B 146 LEU TRP GLY LYS VAL ASN VAL ASP GLU VAL GLY GLY GLU SEQRES 3 B 146 ALA LEU GLY ARG LEU LEU VAL VAL TYR PRO TRP THR GLN SEQRES 4 B 146 ARG PHE PHE GLU SER PHE GLY ASP LEU SER THR PRO ASP SEQRES 5 B 146 ALA VAL MET GLY ASN PRO LYS VAL LYS ALA HIS GLY LYS SEQRES 6 B 146 LYS VAL LEU GLY ALA PHE SER ASP GLY LEU ALA HIS LEU SEQRES 7 B 146 ASP ASN LEU LYS GLY THR PHE ALA THR LEU SER GLU LEU SEQRES 8 B 146 HIS CYS ASP LYS LEU HIS VAL ASP PRO GLU ASN PHE ARG SEQRES 9 B 146 LEU LEU GLY ASN VAL LEU VAL CYS VAL LEU ALA HIS HIS SEQRES 10 B 146 PHE GLY LYS GLU PHE THR PRO PRO VAL GLN ALA ALA TYR SEQRES 11 B 146 GLN LYS VAL VAL ALA GLY VAL ALA ASN ALA LEU ALA HIS SEQRES 12 B 146 LYS TYR HIS HET HEM A 201 43 HET CMO A 202 2 HET HEM B 201 43 HET CMO B 202 2 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM CMO CARBON MONOXIDE HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 CMO 2(C O) FORMUL 7 HOH *127(H2 O) HELIX 1 AA1 SER A 3 GLY A 18 1 16 HELIX 2 AA2 HIS A 20 PHE A 36 1 17 HELIX 3 AA3 PRO A 37 PHE A 43 5 7 HELIX 4 AA4 SER A 52 HIS A 72 1 21 HELIX 5 AA5 ASP A 75 LEU A 80 1 6 HELIX 6 AA6 LEU A 80 HIS A 89 1 10 HELIX 7 AA7 ASP A 94 LEU A 113 1 20 HELIX 8 AA8 THR A 118 THR A 137 1 20 HELIX 9 AA9 THR B 4 GLY B 16 1 13 HELIX 10 AB1 GLU B 22 TYR B 35 1 14 HELIX 11 AB2 PRO B 36 GLY B 46 5 11 HELIX 12 AB3 THR B 50 ASN B 57 1 8 HELIX 13 AB4 ASN B 57 ALA B 76 1 20 HELIX 14 AB5 ASN B 80 PHE B 85 1 6 HELIX 15 AB6 PHE B 85 ASP B 94 1 10 HELIX 16 AB7 PRO B 100 GLY B 119 1 20 HELIX 17 AB8 LYS B 120 PHE B 122 5 3 HELIX 18 AB9 THR B 123 ALA B 142 1 20 HELIX 19 AC1 HIS B 143 HIS B 146 5 4 LINK NE2 HIS A 87 FE HEM A 201 1555 1555 2.04 LINK FE HEM A 201 C CMO A 202 1555 1555 1.74 LINK NE2 HIS B 92 FE HEM B 201 1555 1555 2.03 LINK FE HEM B 201 C CMO B 202 1555 1555 1.75 SITE 1 AC1 15 TYR A 42 PHE A 43 HIS A 45 HIS A 58 SITE 2 AC1 15 LYS A 61 LEU A 83 LEU A 86 HIS A 87 SITE 3 AC1 15 LEU A 91 VAL A 93 ASN A 97 PHE A 98 SITE 4 AC1 15 LEU A 101 LEU A 136 CMO A 202 SITE 1 AC2 3 HIS A 58 VAL A 62 HEM A 201 SITE 1 AC3 14 PRO A 4 THR B 38 PHE B 41 PHE B 42 SITE 2 AC3 14 HIS B 63 LYS B 66 PHE B 71 LEU B 88 SITE 3 AC3 14 HIS B 92 LEU B 96 ASN B 102 LEU B 141 SITE 4 AC3 14 CMO B 202 HOH B 302 SITE 1 AC4 3 HIS B 63 VAL B 67 HEM B 201 CRYST1 53.583 53.583 192.812 90.00 90.00 90.00 P 41 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 0.018663 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018663 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005186 0.00000