HEADER OXYGEN STORAGE/TRANSPORT 12-APR-02 1LFQ TITLE OXY HEMOGLOBIN (93% RELATIVE HUMIDITY) COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEMOGLOBIN ALPHA CHAIN; COMPND 3 CHAIN: A; COMPND 4 MOL_ID: 2; COMPND 5 MOLECULE: HEMOGLOBIN BETA CHAIN; COMPND 6 CHAIN: B 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, T STATE, HUMIDITY, ENVIRONMENT, OXYGEN STORAGE-TRANSPORT KEYWDS 2 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR B.K.BISWAL,M.VIJAYAN REVDAT 5 14-FEB-24 1LFQ 1 REMARK REVDAT 4 11-OCT-17 1LFQ 1 REMARK REVDAT 3 24-FEB-09 1LFQ 1 VERSN REVDAT 2 22-FEB-05 1LFQ 1 DBREF REMARK REVDAT 1 12-OCT-02 1LFQ 0 JRNL AUTH B.K.BISWAL,M.VIJAYAN JRNL TITL STRUCTURES OF HUMAN OXY- AND DEOXYHAEMOGLOBIN AT DIFFERENT JRNL TITL 2 LEVELS OF HUMIDITY: VARIABILITY IN THE T STATE. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 58 1155 2002 JRNL REFN ISSN 0907-4449 JRNL PMID 12077435 JRNL DOI 10.1107/S0907444902007138 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH B.SHAANAN REMARK 1 TITL STRUCTURE OF HUMAN OXYHAEMOGLOBIN AT 2.1 A RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 171 31 1983 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 2 REMARK 1 AUTH G.FERMI,M.F.PERUTZ,B.SHAANAN,R.FOURME REMARK 1 TITL THE CRYSTAL STRUCTURE OF HUMAN DEOXYHAEMOGLOBIN AT 1.74 A REMARK 1 TITL 2 RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 175 159 1984 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 3 REMARK 1 AUTH M.M.SILVA,P.H.ROGERS,A.ARNONE REMARK 1 TITL A THIRD QUATERNARY STRUCTURE OF HUMAN HEMOGLOBIN A AT REMARK 1 TITL 2 1.7-ANGSTROMS RESOLUTION REMARK 1 REF J.BIOL.CHEM. V. 267 17248 1992 REMARK 1 REFN ISSN 0021-9258 REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.4 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 77976.440 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 85.4 REMARK 3 NUMBER OF REFLECTIONS : 8236 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.197 REMARK 3 FREE R VALUE : 0.258 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.600 REMARK 3 FREE R VALUE TEST SET COUNT : 793 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.009 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.76 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 72.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1069 REMARK 3 BIN R VALUE (WORKING SET) : 0.3100 REMARK 3 BIN FREE R VALUE : 0.3310 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.40 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 61 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.042 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2192 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 86 REMARK 3 SOLVENT ATOMS : 45 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 36.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 37.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.81000 REMARK 3 B22 (A**2) : -0.81000 REMARK 3 B33 (A**2) : 1.62000 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.30 REMARK 3 ESD FROM SIGMAA (A) : 0.44 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.39 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.47 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 20.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.540 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.32 REMARK 3 BSOL : 53.49 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : PARAM19X.HEME REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : TOPH19X.HEME REMARK 3 TOPOLOGY FILE 3 : WATER_REP.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1LFQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-APR-02. REMARK 100 THE DEPOSITION ID IS D_1000015905. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : 6.7 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MAR REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.12900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 5.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.70 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.37000 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: NULL REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.87 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.32 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PHOSPHATE BUFFER, PH 6.7, LIQUID REMARK 280 DIFFUSION AT 298K 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 97.85000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 27.10000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 27.10000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 48.92500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 27.10000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 27.10000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 146.77500 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 27.10000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 27.10000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 48.92500 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 27.10000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 27.10000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 146.77500 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 97.85000 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 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 54.20000 REMARK 350 BIOMT2 2 -1.000000 0.000000 0.000000 54.20000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 97.85000 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 NZ LYS A 7 OD2 ASP A 74 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 LEU A 2 116.97 75.85 REMARK 500 THR A 38 -13.45 -49.85 REMARK 500 LEU A 48 26.10 -66.53 REMARK 500 SER A 52 118.81 -32.22 REMARK 500 HIS A 72 18.90 147.53 REMARK 500 ASP A 74 6.22 -60.38 REMARK 500 ASP A 75 59.71 -162.95 REMARK 500 PHE A 117 62.65 -56.44 REMARK 500 LYS A 139 25.88 -72.34 REMARK 500 LEU B 3 101.37 65.06 REMARK 500 ALA B 10 -71.62 -53.72 REMARK 500 VAL B 20 4.18 -58.44 REMARK 500 HIS B 77 29.43 -167.72 REMARK 500 CYS B 93 -86.25 -82.17 REMARK 500 LYS B 95 -54.70 -130.69 REMARK 500 HIS B 97 39.47 73.87 REMARK 500 LYS B 144 -3.17 -55.08 REMARK 500 TYR B 145 49.15 -94.49 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 142 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 87 NE2 REMARK 620 2 HEM A 142 NA 89.8 REMARK 620 3 HEM A 142 NB 93.0 88.1 REMARK 620 4 HEM A 142 NC 83.9 173.5 91.0 REMARK 620 5 HEM A 142 ND 83.4 92.2 176.4 88.3 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 147 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 92 NE2 REMARK 620 2 HEM B 147 NA 83.5 REMARK 620 3 HEM B 147 NB 86.1 89.0 REMARK 620 4 HEM B 147 NC 94.3 177.8 90.9 REMARK 620 5 HEM B 147 ND 81.4 92.7 167.2 87.0 REMARK 620 N 1 2 3 4 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 142 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 147 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1LFL RELATED DB: PDB REMARK 900 RELATED ID: 1LFT RELATED DB: PDB REMARK 900 RELATED ID: 1LFV RELATED DB: PDB REMARK 900 RELATED ID: 1LFY RELATED DB: PDB REMARK 900 RELATED ID: 1LFZ RELATED DB: PDB DBREF 1LFQ A 1 141 UNP P69905 HBA_HUMAN 1 141 DBREF 1LFQ B 1 146 UNP P68871 HBB_HUMAN 1 146 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 GLU 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 142 43 HET HEM B 147 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 5 HOH *45(H2 O) HELIX 1 1 SER A 3 GLY A 18 1 16 HELIX 2 2 HIS A 20 PHE A 36 1 17 HELIX 3 3 PRO A 37 PHE A 43 5 7 HELIX 4 4 SER A 52 ALA A 71 1 20 HELIX 5 5 HIS A 72 ASP A 74 5 3 HELIX 6 6 ASP A 75 HIS A 89 1 15 HELIX 7 7 PRO A 95 ALA A 111 1 17 HELIX 8 8 THR A 118 THR A 137 1 20 HELIX 9 9 THR B 4 GLY B 16 1 13 HELIX 10 10 GLU B 22 TYR B 35 1 14 HELIX 11 11 PRO B 36 GLY B 46 5 11 HELIX 12 12 THR B 50 ASN B 57 1 8 HELIX 13 13 ASN B 57 ALA B 76 1 20 HELIX 14 14 ASN B 80 LYS B 95 1 16 HELIX 15 15 PRO B 100 GLY B 119 1 20 HELIX 16 16 LYS B 120 PHE B 122 5 3 HELIX 17 17 THR B 123 LEU B 141 1 19 LINK NE2 HIS A 87 FE HEM A 142 1555 1555 2.18 LINK NE2 HIS B 92 FE HEM B 147 1555 1555 2.16 SITE 1 AC1 13 TYR A 42 PHE A 43 HIS A 45 PHE A 46 SITE 2 AC1 13 HIS A 58 LEU A 83 HIS A 87 LEU A 91 SITE 3 AC1 13 VAL A 93 ASN A 97 PHE A 98 LEU A 101 SITE 4 AC1 13 LEU A 136 SITE 1 AC2 10 PHE B 41 PHE B 42 HIS B 63 LEU B 88 SITE 2 AC2 10 HIS B 92 LEU B 96 VAL B 98 ASN B 102 SITE 3 AC2 10 LEU B 106 LEU B 141 CRYST1 54.200 54.200 195.700 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 0.018450 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018450 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005110 0.00000