HEADER OXYGEN STORAGE/TRANSPORT 19-NOV-02 1O1I TITLE CYANOMET HEMOGLOBIN (A-GLY-C:V1M,L29F,H58Q; B,D:V1M,L106W) COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEMOGLOBIN ALPHA CHAIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CYANOMETHEMOGLOBIN ALPHA CHAIN; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: HEMOGLOBIN BETA CHAIN; COMPND 9 CHAIN: B; COMPND 10 SYNONYM: CYANOMETHEMOGLOBIN BETA CHAIN; COMPND 11 ENGINEERED: YES; COMPND 12 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 6 16-AUG-23 1O1I 1 REMARK REVDAT 5 27-OCT-21 1O1I 1 REMARK SEQADV LINK REVDAT 4 24-JUL-19 1O1I 1 REMARK REVDAT 3 24-FEB-09 1O1I 1 VERSN REVDAT 2 28-FEB-06 1O1I 1 JRNL REMARK REVDAT 1 18-DEC-02 1O1I 0 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH E.A.BRUCKER REMARK 1 TITL GENETICALLY CROSSLINKED HEMOGLOBIN: A STRUCTURAL STUDY REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 56 812 2000 REMARK 1 REFN ISSN 0907-4449 REMARK 1 DOI 10.1107/S0907444900006557 REMARK 1 REFERENCE 2 REMARK 1 AUTH D.H.DOHERTY,M.P.DOYLE,S.R.CURRY,R.J.VALI,T.J.FATTOR, REMARK 1 AUTH 2 J.S.OLSON,D.D.LEMON REMARK 1 TITL RATE OF REACTION WITH NITRIC OXIDE DETERMINES THE REMARK 1 TITL 2 HYPERTENSIVE EFFECT OF CELL-FREE HEMOGLOBIN REMARK 1 REF NAT.BIOTECHNOL. V. 16 672 1998 REMARK 1 REFN ISSN 1087-0156 REMARK 1 REFERENCE 3 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 HEMOGLOBIN 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. 2.30 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT 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) : 0.181 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.174 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.267 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1358 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 13580 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.166 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.160 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.244 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 9.869 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 1150 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 11653 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2202 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 90 REMARK 3 SOLVENT ATOMS : 137 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 2399.0 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 0.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 0 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 9715 REMARK 3 NUMBER OF RESTRAINTS : 10514 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 ANGLE DISTANCES (A) : 0.013 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.003 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : NULL REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.025 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.029 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.057 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 1O1I COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 26-NOV-02. REMARK 100 THE DEPOSITION ID IS D_1000001685. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-APR-98 REMARK 200 TEMPERATURE (KELVIN) : 295.0 REMARK 200 PH : 6.70 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 : 13935 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 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 (%) : 97.6 REMARK 200 DATA REDUNDANCY : 3.270 REMARK 200 R MERGE (I) : 0.05300 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 22.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.50 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.1 REMARK 200 DATA REDUNDANCY IN SHELL : 3.27 REMARK 200 R MERGE FOR SHELL (I) : 0.23700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 5.450 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: PDB ENTRY 1HHO REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.10 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.99 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.70 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 92.91700 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 28.33550 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 28.33550 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 46.45850 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 28.33550 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 28.33550 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 139.37550 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 28.33550 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 28.33550 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 46.45850 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 28.33550 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 28.33550 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 139.37550 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 92.91700 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 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A1129 LIES ON A SPECIAL POSITION. REMARK 375 HOH A1137 LIES ON A SPECIAL POSITION. 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 2 121.77 70.61 REMARK 500 ASP A 75 42.39 -142.40 REMARK 500 HIS B 77 44.55 -142.30 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 150 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 87 NE2 REMARK 620 2 HEM A 150 NA 92.5 REMARK 620 3 HEM A 150 NB 92.6 89.6 REMARK 620 4 HEM A 150 NC 92.7 174.7 89.9 REMARK 620 5 HEM A 150 ND 92.7 89.9 174.8 90.0 REMARK 620 6 CYN A 151 C 179.8 87.4 87.3 87.4 87.5 REMARK 620 7 CYN A 151 N 174.9 83.4 84.4 91.3 90.3 4.9 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 150 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 92 NE2 REMARK 620 2 HEM B 150 NA 90.7 REMARK 620 3 HEM B 150 NB 90.7 89.9 REMARK 620 4 HEM B 150 NC 90.6 178.7 90.0 REMARK 620 5 HEM B 150 ND 90.6 90.0 178.7 90.1 REMARK 620 6 CYN B 151 C 179.7 89.5 89.5 89.2 89.2 REMARK 620 7 CYN B 151 N 172.1 93.2 96.1 85.5 82.6 7.6 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYN A 151 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYN B 151 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 150 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 150 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1O1J RELATED DB: PDB REMARK 900 DEOXY HEMOGLOBIN (A,C:V1M; B,D:V1M,V67W) REMARK 900 RELATED ID: 1O1K RELATED DB: PDB REMARK 900 DEOXY HEMOGLOBIN (A-GLY-C:V1M,L29F,H58Q; B,D:V1M,L106W) REMARK 900 RELATED ID: 1O1L RELATED DB: PDB REMARK 900 DEOXY HEMOGLOBIN (A-GLY-C:V1M,L29W,H58Q; B,D:V1M) REMARK 900 RELATED ID: 1O1M RELATED DB: PDB REMARK 900 DEOXY HEMOGLOBIN (A-GLYGLYGLY-C:V1M,L29F,H58Q B,D:V1M,V67W) REMARK 900 RELATED ID: 1O1N RELATED DB: PDB REMARK 900 DEOXY HEMOGLOBIN (A-GLYGLYGLY-C:V1M,L29W; B,D:V1M) REMARK 900 RELATED ID: 1O1O RELATED DB: PDB REMARK 900 DEOXY HEMOGLOBIN (A,C:V1M,V67L; B,D:V1M, V67L) REMARK 900 RELATED ID: 1O1P RELATED DB: PDB REMARK 900 DEOXY HEMOGLOBIN (A-GLY-C:V1M; B,D: V1M, C93A, N108K) REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE C-TERMINUS OF THE ALPHA-1 CHAIN AND THE N-TERMINUS OF REMARK 999 THE ALPHA-2 CHAIN ARE GENETICALLY LINKED BY A GLYCINE REMARK 999 RESIDUE. THIS RESIDUE DOES NOT LOWER THE SPACE GROUP REMARK 999 SYMMETRY AND IS NOT DEFINED IN ELECTRON DENSITY. ALSO, REMARK 999 THE INITIAL RESIDUE OF THE ALPHA-2 CHAIN, JUST AFTER THE REMARK 999 GLYCINE LINKER, IS THE NATIVE VALINE, NOT A METHIONINE. DBREF 1O1I A 1 141 UNP P69905 HBA_HUMAN 1 141 DBREF 1O1I B 1 146 UNP P68871 HBB_HUMAN 1 146 SEQADV 1O1I MET A 1 UNP P69905 VAL 1 ENGINEERED MUTATION SEQADV 1O1I PHE A 29 UNP P69905 LEU 29 ENGINEERED MUTATION SEQADV 1O1I GLN A 58 UNP P69905 HIS 58 ENGINEERED MUTATION SEQADV 1O1I MET B 1 UNP P68871 VAL 1 ENGINEERED MUTATION SEQADV 1O1I TRP B 106 UNP P68871 LEU 106 ENGINEERED MUTATION SEQRES 1 A 141 MET 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 PHE 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 GLN 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 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 TRP 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 CYN A 151 2 HET HEM A 150 43 HET CYN B 151 2 HET HEM B 150 43 HETNAM CYN CYANIDE ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 3 CYN 2(C N 1-) FORMUL 4 HEM 2(C34 H32 FE N4 O4) FORMUL 7 HOH *137(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 HIS A 89 1 10 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 THR B 4 GLY B 16 1 13 HELIX 10 10 ASN B 19 TYR B 35 1 17 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 PHE B 85 1 6 HELIX 15 15 PHE B 85 LYS B 95 1 11 HELIX 16 16 PRO B 100 GLY B 119 1 20 HELIX 17 17 LYS B 120 PHE B 122 5 3 HELIX 18 18 THR B 123 HIS B 143 1 21 HELIX 19 19 LYS B 144 HIS B 146 5 3 LINK NE2 HIS A 87 FE HEM A 150 1555 1555 2.12 LINK FE HEM A 150 C CYN A 151 1555 1555 1.94 LINK FE HEM A 150 N CYN A 151 1555 1555 3.07 LINK NE2 HIS B 92 FE HEM B 150 1555 1555 2.16 LINK FE HEM B 150 C CYN B 151 1555 1555 1.93 LINK FE HEM B 150 N CYN B 151 1555 1555 3.05 SITE 1 AC1 4 PHE A 29 GLN A 58 VAL A 62 HEM A 150 SITE 1 AC2 3 HIS B 63 VAL B 67 HEM B 150 SITE 1 AC3 14 TYR A 42 PHE A 43 HIS A 45 PHE A 46 SITE 2 AC3 14 LYS A 61 LEU A 83 HIS A 87 LEU A 91 SITE 3 AC3 14 ASN A 97 PHE A 98 LEU A 101 VAL A 132 SITE 4 AC3 14 CYN A 151 HOH A1026 SITE 1 AC4 13 THR B 38 PHE B 41 PHE B 42 PHE B 45 SITE 2 AC4 13 HIS B 63 ALA B 70 LEU B 91 HIS B 92 SITE 3 AC4 13 LEU B 96 TRP B 106 VAL B 137 LEU B 141 SITE 4 AC4 13 CYN B 151 CRYST1 56.671 56.671 185.834 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 0.017646 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017646 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005381 0.00000