PDB Short entry for 1C7C HEADER OXYGEN STORAGE/TRANSPORT 09-FEB-00 1C7C TITLE DEOXY RHB1.1 (RECOMBINANT HEMOGLOBIN) COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (DEOXYHEMOGLOBIN (ALPHA CHAIN)); COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: PROTEIN (DEOXYHEMOGLOBIN (BETA CHAIN)); COMPND 8 CHAIN: B, D; COMPND 9 ENGINEERED: YES; COMPND 10 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 CELL: RED BLOOD CELL; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 MOL_ID: 2; SOURCE 9 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 10 ORGANISM_COMMON: HUMAN; SOURCE 11 ORGANISM_TAXID: 9606; SOURCE 12 CELL: RED BLOOD CELL; SOURCE 13 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS HEME, OXYGEN DELIVERY VEHICLE, BLOOD SUBSTITUTE, OXYGEN STORAGE- KEYWDS 2 TRANSPORT COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR E.A.BRUCKER REVDAT 7 09-AUG-23 1C7C 1 REMARK REVDAT 6 03-NOV-21 1C7C 1 REMARK SEQADV LINK REVDAT 5 24-JUL-19 1C7C 1 REMARK REVDAT 4 02-AUG-17 1C7C 1 SOURCE REMARK REVDAT 3 24-FEB-09 1C7C 1 VERSN REVDAT 2 18-DEC-02 1C7C 1 REMARK REVDAT 1 30-JUN-00 1C7C 0 JRNL AUTH E.A.BRUCKER JRNL TITL GENETICALLY CROSSLINKED HEMOGLOBIN: A STRUCTURAL STUDY. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 56 812 2000 JRNL REFN ISSN 0907-4449 JRNL PMID 10930828 JRNL DOI 10.1107/S0907444900006557 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH K.S.KROEGER,C.E.KUNDROT REMARK 1 TITL STRUCTURES OF A HEMOGLOBIN-BASED BLOOD SUBSTITUTE: INSIGHTS REMARK 1 TITL 2 INTO THE FUNCTION OF ALLOSTERIC PROTEINS REMARK 1 REF STRUCTURE V. 5 227 1997 REMARK 1 REFN ISSN 0969-2126 REMARK 1 DOI 10.1016/S0969-2126(97)00181-0 REMARK 1 REFERENCE 2 REMARK 1 AUTH D.LOOKER,D.ABBOT-BROWN,P.COZART,S.DURFEE,S.HOFFMAN, REMARK 1 AUTH 2 A.J.MATHEWS,J.MILLER-ROEHRICH,S.SHOEMAKER,S.TRIMBLE,G.FERMI, REMARK 1 AUTH 3 N.H.KOMIYAMA,K.NAGAI,G.L.STETLER REMARK 1 TITL A HUMAN RECOMBINANT HAEMOGLOBIN DESIGNED FOR USE AS A BLOOD REMARK 1 TITL 2 SUBSTITUTE REMARK 1 REF NATURE V. 356 258 1992 REMARK 1 REFN ISSN 0028-0836 REMARK 1 DOI 10.1038/356258A0 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 87.0 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.176 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.175 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.227 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 9.710 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 4332 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 44592 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.168 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.167 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.215 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 4.789 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 1951 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 40740 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4392 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 172 REMARK 3 SOLVENT ATOMS : 322 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 4875.5 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 0.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 0 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 19547 REMARK 3 NUMBER OF RESTRAINTS : 23037 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 ANGLE DISTANCES (A) : 0.016 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.004 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : NULL REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.041 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.041 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.017 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : NULL REMARK 3 SIMILAR ADP COMPONENTS (A**2) : NULL REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: MOEWS & KRETSINGER, J.MOL.BIOL. 91(1973)201-228 REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1C7C COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-FEB-00. REMARK 100 THE DEPOSITION ID IS D_1000001424. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JUN-98 REMARK 200 TEMPERATURE (KELVIN) : 295 REMARK 200 PH : 6.5 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 : SIEMENS REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : COLLIMATOR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE, XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 45597 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 89.0 REMARK 200 DATA REDUNDANCY : 3.150 REMARK 200 R MERGE (I) : 0.04900 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 33.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.1 REMARK 200 DATA REDUNDANCY IN SHELL : 3.20 REMARK 200 R MERGE FOR SHELL (I) : 0.24700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 9.260 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: 1ABY REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 33.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.85 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PERUTZ, J.CRYST.GROWTH 2(1968)54-56, REMARK 280 PH 6.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 41.67850 REMARK 290 SMTRY3 2 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 10710 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23690 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -110.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ARG A 92 NE - CZ - NH2 ANGL. DEV. = -3.7 DEGREES 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 2 109.97 -55.90 REMARK 500 LYS A 232 -68.75 -108.58 REMARK 500 ASN B 80 56.27 -150.24 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 284 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 87 NE2 REMARK 620 2 HEM A 284 NA 101.1 REMARK 620 3 HEM A 284 NB 101.4 87.1 REMARK 620 4 HEM A 284 NC 101.8 157.1 87.9 REMARK 620 5 HEM A 284 ND 102.0 87.6 156.6 88.2 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 285 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 229 NE2 REMARK 620 2 HEM A 285 NA 100.4 REMARK 620 3 HEM A 285 NB 100.1 87.8 REMARK 620 4 HEM A 285 NC 100.6 158.9 87.9 REMARK 620 5 HEM A 285 ND 101.0 88.3 158.9 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 99.9 REMARK 620 3 HEM B 147 NB 99.9 88.1 REMARK 620 4 HEM B 147 NC 100.0 160.1 88.4 REMARK 620 5 HEM B 147 ND 100.0 88.3 160.1 88.4 REMARK 620 N 1 2 3 4 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 100.5 REMARK 620 3 HEM D 147 NB 100.4 87.8 REMARK 620 4 HEM D 147 NC 101.0 158.5 88.2 REMARK 620 5 HEM D 147 ND 100.7 88.1 158.9 88.1 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 284 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 285 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 D 147 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1C7B RELATED DB: PDB REMARK 900 DEOXYHEMOGLOBIN RHB1.0 REMARK 900 RELATED ID: 1C7D RELATED DB: PDB REMARK 900 DEOXYHEMOGLOBIN RHB1.2 DBREF 1C7C A 1 141 UNP P69905 HBA_HUMAN 1 141 DBREF 1C7C A 143 283 UNP P69905 HBA_HUMAN 1 141 DBREF 1C7C B 1 146 UNP P68871 HBB_HUMAN 1 146 DBREF 1C7C D 1 146 UNP P68871 HBB_HUMAN 1 146 SEQADV 1C7C MET A 1 UNP P69905 VAL 1 ENGINEERED MUTATION SEQADV 1C7C GLY A 142 UNP P69905 SEE REMARK 999 SEQADV 1C7C MET B 1 UNP P68871 VAL 1 ENGINEERED MUTATION SEQADV 1C7C LYS B 108 UNP P68871 ASN 108 ENGINEERED MUTATION SEQADV 1C7C MET D 1 UNP P68871 VAL 1 ENGINEERED MUTATION SEQADV 1C7C LYS D 108 UNP P68871 ASN 108 ENGINEERED MUTATION SEQRES 1 A 283 MET LEU SER PRO ALA ASP LYS THR ASN VAL LYS ALA ALA SEQRES 2 A 283 TRP GLY LYS VAL GLY ALA HIS ALA GLY GLU TYR GLY ALA SEQRES 3 A 283 GLU ALA LEU GLU ARG MET PHE LEU SER PHE PRO THR THR SEQRES 4 A 283 LYS THR TYR PHE PRO HIS PHE ASP LEU SER HIS GLY SER SEQRES 5 A 283 ALA GLN VAL LYS GLY HIS GLY LYS LYS VAL ALA ASP ALA SEQRES 6 A 283 LEU THR ASN ALA VAL ALA HIS VAL ASP ASP MET PRO ASN SEQRES 7 A 283 ALA LEU SER ALA LEU SER ASP LEU HIS ALA HIS LYS LEU SEQRES 8 A 283 ARG VAL ASP PRO VAL ASN PHE LYS LEU LEU SER HIS CYS SEQRES 9 A 283 LEU LEU VAL THR LEU ALA ALA HIS LEU PRO ALA GLU PHE SEQRES 10 A 283 THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU ALA SEQRES 11 A 283 SER VAL SER THR VAL LEU THR SER LYS TYR ARG GLY VAL SEQRES 12 A 283 LEU SER PRO ALA ASP LYS THR ASN VAL LYS ALA ALA TRP SEQRES 13 A 283 GLY LYS VAL GLY ALA HIS ALA GLY GLU TYR GLY ALA GLU SEQRES 14 A 283 ALA LEU GLU ARG MET PHE LEU SER PHE PRO THR THR LYS SEQRES 15 A 283 THR TYR PHE PRO HIS PHE ASP LEU SER HIS GLY SER ALA SEQRES 16 A 283 GLN VAL LYS GLY HIS GLY LYS LYS VAL ALA ASP ALA LEU SEQRES 17 A 283 THR ASN ALA VAL ALA HIS VAL ASP ASP MET PRO ASN ALA SEQRES 18 A 283 LEU SER ALA LEU SER ASP LEU HIS ALA HIS LYS LEU ARG SEQRES 19 A 283 VAL ASP PRO VAL ASN PHE LYS LEU LEU SER HIS CYS LEU SEQRES 20 A 283 LEU VAL THR LEU ALA ALA HIS LEU PRO ALA GLU PHE THR SEQRES 21 A 283 PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU ALA SER SEQRES 22 A 283 VAL SER THR VAL LEU THR SER LYS TYR ARG SEQRES 1 B 146 MET 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 LYS 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 D 146 MET 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 LYS 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 284 43 HET HEM A 285 43 HET HEM B 147 43 HET HEM D 147 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 4 HEM 4(C34 H32 FE N4 O4) FORMUL 8 HOH *322(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 HIS A 72 1 21 HELIX 5 5 ASP A 75 LEU A 80 1 6 HELIX 6 6 LEU A 80 LYS A 90 1 11 HELIX 7 7 PRO A 95 LEU A 113 1 19 HELIX 8 8 THR A 118 THR A 137 1 20 HELIX 9 9 SER A 145 GLY A 160 1 16 HELIX 10 10 HIS A 162 PHE A 178 1 17 HELIX 11 11 PRO A 179 PHE A 185 5 7 HELIX 12 12 SER A 194 HIS A 214 1 21 HELIX 13 13 ASP A 217 LEU A 222 1 6 HELIX 14 14 LEU A 222 LYS A 232 1 11 HELIX 15 15 PRO A 237 LEU A 255 1 19 HELIX 16 16 THR A 260 SER A 280 1 21 HELIX 17 17 THR B 4 GLY B 16 1 13 HELIX 18 18 ASN B 19 TYR B 35 1 17 HELIX 19 19 PRO B 36 PHE B 42 5 7 HELIX 20 20 PHE B 42 GLY B 46 5 5 HELIX 21 21 THR B 50 ASN B 57 1 8 HELIX 22 22 ASN B 57 LEU B 75 1 19 HELIX 23 23 ALA B 76 ASP B 79 5 4 HELIX 24 24 ASN B 80 LYS B 95 1 16 HELIX 25 25 PRO B 100 GLY B 119 1 20 HELIX 26 26 LYS B 120 PHE B 122 5 3 HELIX 27 27 THR B 123 HIS B 143 1 21 HELIX 28 28 THR D 4 GLY D 16 1 13 HELIX 29 29 ASN D 19 TYR D 35 1 17 HELIX 30 30 PRO D 36 PHE D 42 5 7 HELIX 31 31 PHE D 42 GLY D 46 5 5 HELIX 32 32 THR D 50 ASN D 57 1 8 HELIX 33 33 ASN D 57 LEU D 75 1 19 HELIX 34 34 ASN D 80 LYS D 95 1 16 HELIX 35 35 PRO D 100 GLY D 119 1 20 HELIX 36 36 LYS D 120 PHE D 122 5 3 HELIX 37 37 THR D 123 ALA D 142 1 20 LINK NE2 HIS A 87 FE HEM A 284 1555 1555 2.19 LINK NE2 HIS A 229 FE HEM A 285 1555 1555 2.15 LINK NE2 HIS B 92 FE HEM B 147 1555 1555 2.18 LINK NE2 HIS D 92 FE HEM D 147 1555 1555 2.15 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 136 HOH A1043 HOH A1208 SITE 1 AC2 17 TYR A 184 PHE A 185 HIS A 187 HIS A 200 SITE 2 AC2 17 LYS A 203 LEU A 225 LEU A 228 HIS A 229 SITE 3 AC2 17 LEU A 233 VAL A 235 ASN A 239 PHE A 240 SITE 4 AC2 17 LEU A 243 LEU A 278 HOH A1049 HOH A1180 SITE 5 AC2 17 HOH A1244 SITE 1 AC3 12 ALA A 53 PHE B 41 PHE B 42 HIS B 63 SITE 2 AC3 12 VAL B 67 LEU B 91 HIS B 92 ASN B 102 SITE 3 AC3 12 PHE B 103 LEU B 141 HOH B1069 HOH B1274 SITE 1 AC4 10 HIS D 63 VAL D 67 LEU D 91 HIS D 92 SITE 2 AC4 10 LEU D 96 ASN D 102 PHE D 103 LEU D 106 SITE 3 AC4 10 LEU D 141 HOH D1267 CRYST1 63.204 83.357 54.003 90.00 99.07 90.00 P 1 21 1 4 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 0.015822 0.000000 0.002526 0.00000 SCALE2 0.000000 0.011997 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018752 0.00000