6HBW - Header Asymmetric Unit

HEADER OXYGEN STORAGE/TRANSPORT 10-SEP-98 6HBW

TITLE CRYSTAL STRUCTURE OF DEOXY-HUMAN HEMOGLOBIN BETA6 GLU->TRP

COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (HEMOGLOBIN ALPHA 1); COMPND 3 CHAIN: A, C; COMPND 4 SYNONYM: HEMOGLOBIN A; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: PROTEIN (HEMOGLOBIN BETA); COMPND 8 CHAIN: B, D; COMPND 9 SYNONYM: HEMOGLOBIN B; COMPND 10 ENGINEERED: YES; COMPND 11 MUTATION: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 TISSUE: BLOOD; SOURCE 6 CELL: RED BLOOD CELLS; SOURCE 7 CELLULAR_LOCATION: CYTOPLASM; SOURCE 8 EXPRESSION_SYSTEM: SACCHAROMYCES CEREVISIAE; SOURCE 9 EXPRESSION_SYSTEM_COMMON: BAKER'S YEAST; SOURCE 10 EXPRESSION_SYSTEM_TAXID: 4932; SOURCE 11 EXPRESSION_SYSTEM_STRAIN: GSY112; SOURCE 12 EXPRESSION_SYSTEM_PLASMID: PGS389; SOURCE 13 MOL_ID: 2; SOURCE 14 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 15 ORGANISM_COMMON: HUMAN; SOURCE 16 ORGANISM_TAXID: 9606; SOURCE 17 TISSUE: BLOOD; SOURCE 18 CELL: RED BLOOD CELLS; SOURCE 19 CELLULAR_LOCATION: CYTOPLASM; SOURCE 20 EXPRESSION_SYSTEM: SACCHAROMYCES CEREVISIAE; SOURCE 21 EXPRESSION_SYSTEM_COMMON: BAKER'S YEAST; SOURCE 22 EXPRESSION_SYSTEM_TAXID: 4932; SOURCE 23 EXPRESSION_SYSTEM_STRAIN: GSY112; SOURCE 24 EXPRESSION_SYSTEM_PLASMID: PGS389

KEYWDS OXYGEN TRANSPORT, HEMOGLOBIN, OXYGEN STORAGE/TRANSPORT KEYWDS 2 COMPLEX

EXPDTA X-RAY DIFFRACTION

AUTHOR D.J.HARRINGTON,K.ADACHI,W.E.ROYER JR.

REVDAT 4 24-FEB-09 6HBW 1 VERSN REVDAT 3 24-MAY-05 6HBW 1 COMPND SOURCE REVDAT JRNL REVDAT 3 2 1 REMARK LINK CRYST1 AUTHOR REVDAT 3 3 1 KEYWDS REVDAT 2 22-DEC-99 6HBW 4 HEADER COMPND REMARK JRNL REVDAT 2 2 4 ATOM SOURCE SEQRES REVDAT 1 16-SEP-98 6HBW 0

JRNL AUTH D.J.HARRINGTON,K.ADACHI,W.E.ROYER JR. JRNL TITL CRYSTAL STRUCTURE OF DEOXY-HUMAN HEMOGLOBIN BETA6 JRNL TITL 2 GLU --> TRP. IMPLICATIONS FOR THE STRUCTURE AND JRNL TITL 3 FORMATION OF THE SICKLE CELL FIBER. JRNL REF J.BIOL.CHEM. V. 273 32690 1998 JRNL REFN ISSN 0021-9258 JRNL PMID 9830011 JRNL DOI 10.1074/JBC.273.49.32690

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.843 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 3260377.620 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 84.6 REMARK 3 NUMBER OF REFLECTIONS : 33002 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) : 0.198 REMARK 3 FREE R VALUE : 0.264 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.200 REMARK 3 FREE R VALUE TEST SET COUNT : 3354 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.09 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 70.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3038 REMARK 3 BIN R VALUE (WORKING SET) : 0.2280 REMARK 3 BIN FREE R VALUE : 0.2700 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 346 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.015 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4394 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 172 REMARK 3 SOLVENT ATOMS : 369 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 13.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 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) : 0.23 REMARK 3 ESD FROM SIGMAA (A) : 0.11 REMARK 3 LOW RESOLUTION CUTOFF (A) : 8.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.31 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.11 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.012 REMARK 3 BOND ANGLES (DEGREES) : 1.60 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 19.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.68 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) : 1.540 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.250 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 13.550; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 8.840 ; 2.500 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : PARAM19X.HEME REMARK 3 PARAMETER FILE 3 : PARAM19.SOL REMARK 3 PARAMETER FILE 4 : PARAM19X.HEME REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH19X.HEME REMARK 3 TOPOLOGY FILE 3 : TOPH19.PEP REMARK 3 TOPOLOGY FILE 4 : TOPH19X.HEME REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED

REMARK 4 REMARK 4 6HBW COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-SEP-99. REMARK 100 THE RCSB ID CODE IS RCSB008075.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-MAR-96 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 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) : 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 : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 35597 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 89.2 REMARK 200 DATA REDUNDANCY : 3.200 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07600 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.09 REMARK 200 COMPLETENESS FOR SHELL (%) : 70.3 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.37100 REMARK 200 <I/SIGMA(I)> 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: AMORE REMARK 200 STARTING MODEL: 2HHB REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.27 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.29 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS RESUSPENDED IN 30 MM REMARK 280 PHOSPHATE BUFFER, PH 7.0, DEOXYGENATED AND CONCENTRATED TO 160 REMARK 280 MG/ML. PROTEIN WAS CRYSTALLIZED IN AN ANAEROBIC CHAMBER IN REMARK 280 TUBE CONTAINING 10 UL PROTEIN SOLUTION, 5 UL CITRATE BUFFER REMARK 280 (PH 4.0), AND 4UL OF 33% PEG 8K.

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 31.47500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 55.67500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 40.64000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 55.67500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 31.47500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 40.64000 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 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 ASP A 47 N - CA - C ANGL. DEV. = -16.2 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 ASP A 75 66.39 -153.92 REMARK 500 LYS A 90 -68.62 -120.11 REMARK 500 PHE A 117 65.93 -67.52 REMARK 500 ASN B 80 59.95 -158.03 REMARK 500 ASP C 75 65.53 -155.61 REMARK 500 LYS C 90 -70.98 -122.47 REMARK 500 LEU C 113 74.01 -114.46 REMARK 500 PHE D 42 51.64 -117.85 REMARK 500 LEU D 48 27.68 -141.57 REMARK 500 HIS D 77 41.44 -140.47 REMARK 500 ASN D 80 67.26 -158.44 REMARK 500 REMARK 500 REMARK: NULL

REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH C 225 DISTANCE = 7.96 ANGSTROMS REMARK 525 HOH D 376 DISTANCE = 5.21 ANGSTROMS REMARK 525 HOH C 482 DISTANCE = 5.08 ANGSTROMS

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: MUT REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: MUTATED RESIDUE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 153 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 153 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM C 153 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM D 153

DBREF 6HBW A 1 141 UNP P69905 HBA_HUMAN 1 141 DBREF 6HBW B 1 146 UNP P68871 HBB_HUMAN 1 146 DBREF 6HBW C 1 141 UNP P69905 HBA_HUMAN 1 141 DBREF 6HBW D 1 146 UNP P68871 HBB_HUMAN 1 146

SEQADV 6HBW VAL B 1 UNP P68871 GLU 6 ENGINEERED SEQADV 6HBW VAL D 1 UNP P68871 GLU 6 ENGINEERED

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 TRP 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 TRP 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 153 43 HET HEM B 153 43 HET HEM C 153 43 HET HEM D 153 43

HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE

HETSYN HEM HEME

FORMUL 5 HEM 4(C34 H32 FE N4 O4) FORMUL 9 HOH *369(H2 O)

HELIX 1 AA SER A 3 GLY A 18 1SEE REMARK 650 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 1 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 VAL B 18 1 15 HELIX 10 BB ASN B 19 VAL B 34 1 16 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 1 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 VAL D 18 1 15 HELIX 26 DB ASN D 19 VAL D 34 1 16 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 153 1555 1555 2.16 LINK NE2 HIS B 92 FE HEM B 153 1555 1555 2.10 LINK NE2 HIS C 87 FE HEM C 153 1555 1555 2.16 LINK NE2 HIS D 92 FE HEM D 153 1555 1555 2.14

SITE 1 MUT 2 TRP B 6 TRP D 6 SITE 1 AC1 17 TYR A 42 PHE A 43 HIS A 45 PHE A 46 SITE 2 AC1 17 HIS A 58 LYS A 61 LEU A 83 LEU A 86 SITE 3 AC1 17 HIS A 87 LEU A 91 VAL A 93 ASN A 97 SITE 4 AC1 17 PHE A 98 LEU A 101 LEU A 136 HOH A 257 SITE 5 AC1 17 HOH A 273 SITE 1 AC2 10 HIS B 63 LYS B 66 VAL B 67 LEU B 91 SITE 2 AC2 10 HIS B 92 LEU B 96 ASN B 102 PHE B 103 SITE 3 AC2 10 LEU B 141 HOH B 352 SITE 1 AC3 15 TYR C 42 PHE C 43 HIS C 45 PHE C 46 SITE 2 AC3 15 HIS C 58 LYS C 61 LEU C 83 LEU C 86 SITE 3 AC3 15 HIS C 87 LEU C 91 VAL C 93 ASN C 97 SITE 4 AC3 15 PHE C 98 LEU C 136 HOH C 207 SITE 1 AC4 13 HOH B 521 PHE D 41 PHE D 42 HIS D 63 SITE 2 AC4 13 LYS D 66 VAL D 67 PHE D 85 LEU D 91 SITE 3 AC4 13 HIS D 92 LEU D 96 ASN D 102 PHE D 103 SITE 4 AC4 13 LEU D 141

CRYST1 62.950 81.280 111.350 90.00 90.00 90.00 P 21 21 21 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 0.015886 0.000000 0.000000 0.00000

SCALE2 0.000000 0.012303 0.000000 0.00000

SCALE3 0.000000 0.000000 0.008981 0.00000