HEADER OXYGEN TRANSPORT 23-JAN-90 1THB TITLE REFINEMENT OF A PARTIALLY OXYGENATED T STATE HAEMOGLOBIN AT 1.5 TITLE 2 ANGSTROMS RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEMOGLOBIN A (OXY) (ALPHA CHAIN); COMPND 3 CHAIN: A, C; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: HEMOGLOBIN A (DEOXY) (BETA CHAIN); COMPND 7 CHAIN: B, D; COMPND 8 ENGINEERED: YES 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 OXYGEN TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR D.A.WALLER,R.C.LIDDINGTON REVDAT 6 15-MAR-23 1THB 1 REMARK REVDAT 5 08-FEB-23 1THB 1 REMARK HETSYN LINK SCALE REVDAT 5 2 1 MTRIX ATOM REVDAT 4 17-OCT-12 1THB 1 SCALE1 SCALE2 SCALE3 VERSN REVDAT 3 24-FEB-09 1THB 1 VERSN REVDAT 2 01-APR-03 1THB 1 JRNL REVDAT 1 15-JAN-91 1THB 0 JRNL AUTH D.A.WALLER,R.C.LIDDINGTON JRNL TITL REFINEMENT OF A PARTIALLY OXYGENATED T STATE HUMAN JRNL TITL 2 HAEMOGLOBIN AT 1.5 A RESOLUTION. JRNL REF ACTA CRYSTALLOGR.,SECT.B V. 46 409 1990 JRNL REFN ISSN 0108-7681 JRNL PMID 2383372 JRNL DOI 10.1107/S0108768190000313 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.196 REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4384 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 212 REMARK 3 SOLVENT ATOMS : 314 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.025 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.064 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.075 ; 0.060 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.019 ; 0.020 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.173 ; 0.120 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.210 ; 0.500 REMARK 3 MULTIPLE TORSION (A) : 0.222 ; 0.500 REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : 0.189 ; 0.500 REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 4.700 ; 20.000 REMARK 3 STAGGERED (DEGREES) : 20.100; 20.000 REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL 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 OTHER REFINEMENT REMARKS: REMARK 3 HIS D 2 AND ITS NEIGHBORS ARE VERY POORLY ORDERED IN DENSITY MAPS REMARK 3 AND THIS IS REFLECTED IN THE TEMPERATURE FACTORS. HOWEVER, THE REMARK 3 CONFORMATION DEPICTED IS THAT WHICH BEST FITS THE AVAILABLE REMARK 3 DENSITY AFTER REPEATED EXAMINATION INCLUDING THE USE OF OMIT MAPS. REMARK 3 REMARK 3 IHP HAS NOT BEEN REFINED OR INCLUDED IN ANY MAP CALCULATION. IHP REMARK 3 IS INCLUDED ONLY TO AID IN VISUALIZATION OF WEAK ELECTRON DENSITY REMARK 3 AND FOR ILLUSTRATION OF THE BINDING SITE. REMARK 4 REMARK 4 1THB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000176676. 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 : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL 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) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.21 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.47 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 47.90000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 48.90000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 47.90000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 48.90000 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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 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 93.1 REMARK 620 3 HEM A 142 NB 96.7 89.0 REMARK 620 4 HEM A 142 NC 101.4 165.6 88.9 REMARK 620 5 HEM A 142 ND 99.8 89.9 163.6 88.1 REMARK 620 6 OXY A 143 O1 177.5 84.7 84.3 80.9 79.2 REMARK 620 N 1 2 3 4 5 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 97.0 REMARK 620 3 HEM B 147 NB 101.7 86.7 REMARK 620 4 HEM B 147 NC 99.7 163.3 91.3 REMARK 620 5 HEM B 147 ND 95.7 90.4 162.6 86.5 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM C 142 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS C 87 NE2 REMARK 620 2 HEM C 142 NA 98.6 REMARK 620 3 HEM C 142 NB 97.4 87.0 REMARK 620 4 HEM C 142 NC 97.5 163.3 86.6 REMARK 620 5 HEM C 142 ND 102.1 90.4 160.4 90.4 REMARK 620 6 OXY C 143 O1 176.5 83.8 80.2 79.9 80.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM D 147 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS D 92 NE2 REMARK 620 2 HEM D 147 NA 95.1 REMARK 620 3 HEM D 147 NB 95.2 84.4 REMARK 620 4 HEM D 147 NC 102.9 161.1 88.3 REMARK 620 5 HEM D 147 ND 99.3 91.7 165.3 91.0 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 OXY A 143 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 147 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM C 142 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OXY C 143 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM D 147 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IHP B 315 DBREF 1THB A 1 141 UNP P69905 HBA_HUMAN 1 141 DBREF 1THB B 1 146 UNP P68871 HBB_HUMAN 1 146 DBREF 1THB C 1 141 UNP P69905 HBA_HUMAN 1 141 DBREF 1THB D 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 SEQRES 1 C 141 VAL LEU SER PRO ALA ASP LYS THR ASN VAL LYS ALA ALA SEQRES 2 C 141 TRP GLY LYS VAL GLY ALA HIS ALA GLY GLU TYR GLY ALA SEQRES 3 C 141 GLU ALA LEU GLU ARG MET PHE LEU SER PHE PRO THR THR SEQRES 4 C 141 LYS THR TYR PHE PRO HIS PHE ASP LEU SER HIS GLY SER SEQRES 5 C 141 ALA GLN VAL LYS GLY HIS GLY LYS LYS VAL ALA ASP ALA SEQRES 6 C 141 LEU THR ASN ALA VAL ALA HIS VAL ASP ASP MET PRO ASN SEQRES 7 C 141 ALA LEU SER ALA LEU SER ASP LEU HIS ALA HIS LYS LEU SEQRES 8 C 141 ARG VAL ASP PRO VAL ASN PHE LYS LEU LEU SER HIS CYS SEQRES 9 C 141 LEU LEU VAL THR LEU ALA ALA HIS LEU PRO ALA GLU PHE SEQRES 10 C 141 THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU ALA SEQRES 11 C 141 SER VAL SER THR VAL LEU THR SER LYS TYR ARG SEQRES 1 D 146 VAL HIS LEU THR PRO GLU GLU LYS SER ALA VAL THR ALA SEQRES 2 D 146 LEU TRP GLY LYS VAL ASN VAL ASP GLU VAL GLY GLY GLU SEQRES 3 D 146 ALA LEU GLY ARG LEU LEU VAL VAL TYR PRO TRP THR GLN SEQRES 4 D 146 ARG PHE PHE GLU SER PHE GLY ASP LEU SER THR PRO ASP SEQRES 5 D 146 ALA VAL MET GLY ASN PRO LYS VAL LYS ALA HIS GLY LYS SEQRES 6 D 146 LYS VAL LEU GLY ALA PHE SER ASP GLY LEU ALA HIS LEU SEQRES 7 D 146 ASP ASN LEU LYS GLY THR PHE ALA THR LEU SER GLU LEU SEQRES 8 D 146 HIS CYS ASP LYS LEU HIS VAL ASP PRO GLU ASN PHE ARG SEQRES 9 D 146 LEU LEU GLY ASN VAL LEU VAL CYS VAL LEU ALA HIS HIS SEQRES 10 D 146 PHE GLY LYS GLU PHE THR PRO PRO VAL GLN ALA ALA TYR SEQRES 11 D 146 GLN LYS VAL VAL ALA GLY VAL ALA ASN ALA LEU ALA HIS SEQRES 12 D 146 LYS TYR HIS HET HEM A 142 43 HET OXY A 143 2 HET HEM B 147 43 HET IHP B 315 36 HET HEM C 142 43 HET OXY C 143 2 HET HEM D 147 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM OXY OXYGEN MOLECULE HETNAM IHP INOSITOL HEXAKISPHOSPHATE HETSYN HEM HEME HETSYN IHP MYO-INOSITOL HEXAKISPHOSPHATE; INOSITOL 1,2,3,4,5,6- HETSYN 2 IHP HEXAKISPHOSPHATE FORMUL 5 HEM 4(C34 H32 FE N4 O4) FORMUL 6 OXY 2(O2) FORMUL 8 IHP C6 H18 O24 P6 FORMUL 12 HOH *314(H2 O) HELIX 1 AA SER A 3 GLY A 18 1 16 HELIX 2 AB HIS A 20 SER A 35 1 16 HELIX 3 AC PHE A 36 TYR A 42 1 7 HELIX 4 AD HIS A 50 GLY A 51 1DEGEN 2 RES HLX RETAIN HOMOL 2 HELIX 5 AE SER A 52 ALA A 71 1 20 HELIX 6 AF LEU A 80 ALA A 88 1 9 HELIX 7 AG ASP A 94 HIS A 112 1 19 HELIX 8 AH THR A 118 SER A 138 1 21 HELIX 9 BA THR B 4 ASN B 19 1 16 HELIX 10 BB VAL B 20 VAL B 34 1 15 HELIX 11 BC TYR B 35 PHE B 41 1 7 HELIX 12 BD THR B 50 GLY B 56 1 7 HELIX 13 BE ASN B 57 ALA B 76 1 20 HELIX 14 BF PHE B 85 CYS B 93 1 9 HELIX 15 BG ASP B 99 HIS B 117 1 19 HELIX 16 BH THR B 123 HIS B 143 1 21 HELIX 17 CA SER C 3 GLY C 18 1 16 HELIX 18 CB HIS C 20 SER C 35 1 16 HELIX 19 CC PHE C 36 TYR C 42 1 7 HELIX 20 CD HIS C 50 GLY C 51 1DEGEN 2 RES HLX RETAIN HOMOL 2 HELIX 21 CE SER C 52 ALA C 71 1 20 HELIX 22 CF LEU C 80 ALA C 88 1 9 HELIX 23 CG ASP C 94 HIS C 112 1 19 HELIX 24 CH THR C 118 SER C 138 1 21 HELIX 25 DA THR D 4 ASN D 19 1 16 HELIX 26 DB VAL D 20 VAL D 34 1 15 HELIX 27 DC TYR D 35 PHE D 41 1 7 HELIX 28 DD THR D 50 GLY D 56 1 7 HELIX 29 DE ASN D 57 ALA D 76 1 20 HELIX 30 DF PHE D 85 CYS D 93 1 9 HELIX 31 DG ASP D 99 HIS D 117 1 19 HELIX 32 DH THR D 123 HIS D 143 1 21 LINK NE2 HIS A 87 FE HEM A 142 1555 1555 2.28 LINK FE HEM A 142 O1 OXY A 143 1555 1555 1.98 LINK NE2 HIS B 92 FE HEM B 147 1555 1555 2.25 LINK NE2 HIS C 87 FE HEM C 142 1555 1555 2.26 LINK FE HEM C 142 O1 OXY C 143 1555 1555 2.05 LINK NE2 HIS D 92 FE HEM D 147 1555 1555 2.18 SITE 1 AC1 27 TYR A 42 PHE A 43 HIS A 45 HIS A 58 SITE 2 AC1 27 LYS A 61 ALA A 65 LEU A 83 LEU A 86 SITE 3 AC1 27 HIS A 87 LEU A 91 VAL A 93 ASN A 97 SITE 4 AC1 27 PHE A 98 LEU A 101 VAL A 132 LEU A 136 SITE 5 AC1 27 OXY A 143 HOH A 163 GLU B 90 CYS B 93 SITE 6 AC1 27 ASP B 94 HIS B 146 HOH B 321 HOH B 345 SITE 7 AC1 27 HOH B 350 HOH B 385 LYS C 40 SITE 1 AC2 3 HIS A 58 VAL A 62 HEM A 142 SITE 1 AC3 38 ASP A 6 ASN A 9 VAL A 10 ALA A 13 SITE 2 AC3 38 LEU A 106 GLU A 116 PHE A 117 VAL A 121 SITE 3 AC3 38 HIS A 122 ALA A 123 SER A 124 LEU A 125 SITE 4 AC3 38 ASP A 126 LYS A 127 HOH A 151 LEU B 31 SITE 5 AC3 38 VAL B 34 TYR B 35 TRP B 37 PHE B 41 SITE 6 AC3 38 HIS B 63 LYS B 66 VAL B 67 ALA B 70 SITE 7 AC3 38 PHE B 71 LEU B 91 HIS B 92 LEU B 96 SITE 8 AC3 38 ASN B 102 PHE B 103 VAL B 109 LEU B 141 SITE 9 AC3 38 HOH B 331 HOH B 333 HOH B 361 HOH B 401 SITE 10 AC3 38 HOH B 405 ARG C 141 SITE 1 AC4 37 ARG A 31 LEU A 34 SER A 35 PHE A 36 SITE 2 AC4 37 HOH A 171 HOH A 198 HOH A 213 HOH A 218 SITE 3 AC4 37 HOH A 231 HIS B 2 THR B 4 GLU B 6 SITE 4 AC4 37 GLU B 7 PRO B 124 PRO B 125 ALA B 128 SITE 5 AC4 37 ALA B 129 LYS B 132 HOH B 339 HOH B 383 SITE 6 AC4 37 HOH B 399 TYR C 42 PHE C 43 HIS C 45 SITE 7 AC4 37 HIS C 58 LYS C 61 LEU C 86 HIS C 87 SITE 8 AC4 37 LEU C 91 VAL C 93 ASN C 97 PHE C 98 SITE 9 AC4 37 LEU C 101 LEU C 136 OXY C 143 HOH C 185 SITE 10 AC4 37 HOH C 219 SITE 1 AC5 7 LEU A 34 PRO A 37 HOH A 231 LYS B 132 SITE 2 AC5 7 HIS C 58 VAL C 62 HEM C 142 SITE 1 AC6 35 LEU D 14 LEU D 31 PHE D 42 HIS D 63 SITE 2 AC6 35 LYS D 66 VAL D 67 ALA D 70 LEU D 91 SITE 3 AC6 35 HIS D 92 LEU D 96 ASN D 102 PHE D 103 SITE 4 AC6 35 LEU D 106 LEU D 110 VAL D 111 CYS D 112 SITE 5 AC6 35 VAL D 113 LEU D 114 ALA D 115 HIS D 116 SITE 6 AC6 35 HIS D 117 PHE D 118 GLY D 119 LYS D 120 SITE 7 AC6 35 GLU D 121 PHE D 122 THR D 123 PRO D 125 SITE 8 AC6 35 VAL D 126 GLN D 127 ALA D 128 ALA D 129 SITE 9 AC6 35 TYR D 130 GLN D 131 LEU D 141 SITE 1 AC7 29 ARG A 141 LYS B 82 ASN B 139 HIS B 143 SITE 2 AC7 29 HOH B 374 LEU C 2 SER C 102 ALA C 123 SITE 3 AC7 29 SER C 124 LEU C 125 ASP C 126 LYS C 127 SITE 4 AC7 29 PHE C 128 LEU C 129 ALA C 130 SER C 131 SITE 5 AC7 29 VAL C 132 SER C 133 THR C 134 HOH C 148 SITE 6 AC7 29 HOH C 162 HOH C 163 HOH C 169 HOH C 186 SITE 7 AC7 29 HOH C 187 HOH C 204 HIS D 2 LYS D 82 SITE 8 AC7 29 ASN D 139 CRYST1 95.800 97.800 65.500 90.00 90.00 90.00 P 21 21 2 8 ORIGX1 1.000040 0.000000 0.000000 -23.95095 ORIGX2 0.000000 0.999995 0.000000 -24.44988 ORIGX3 0.000000 0.000000 1.000012 0.00000 SCALE1 0.010438 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010225 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015267 0.00000 MTRIX1 1 0.774000 -0.464979 -0.428988 24.97112 1 MTRIX2 1 -0.465021 -0.878000 0.113002 59.69436 1 MTRIX3 1 -0.430012 0.111998 -0.896000 38.12008 1