HEADER METAL BINDING PROTEIN 28-DEC-07 2ZFB TITLE CRYSTAL STRUCTURE OF PARROT HEMOGLOBIN (PSITTACULA KRAMERI) AT PH 7.5 COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEMOGLOBIN SUBUNIT ALPHA; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: HEMOGLOBIN ALPHA CHAIN, ALPHA-GLOBIN; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: HEMOGLOBIN SUBUNIT BETA; COMPND 7 CHAIN: B; COMPND 8 SYNONYM: HEMOGLOBIN BETA CHAIN, BETA-GLOBIN SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PSITTACULA KRAMERI; SOURCE 3 ORGANISM_COMMON: ROSE-RINGED PARAKEET; SOURCE 4 ORGANISM_TAXID: 9228; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: PSITTACULA KRAMERI; SOURCE 7 ORGANISM_COMMON: ROSE-RINGED PARAKEET; SOURCE 8 ORGANISM_TAXID: 9228 KEYWDS HEMOGLOBIN, HEME, IRON, METAL-BINDING, OXYGEN TRANSPORT, TRANSPORT, KEYWDS 2 METAL BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR S.M.JAIMOHAN,M.D.NARESH,A.B.MANDAL REVDAT 4 01-NOV-23 2ZFB 1 REMARK LINK REVDAT 3 11-OCT-17 2ZFB 1 REMARK REVDAT 2 24-FEB-09 2ZFB 1 VERSN REVDAT 1 26-FEB-08 2ZFB 0 JRNL AUTH S.M.JAIMOHAN,M.D.NARESH JRNL TITL CRYSTAL STRUCTURE OF PARROT HEMOGLOBIN (PSITTACULA KRAMERI) JRNL TITL 2 AT PH 7.5 JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 3.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 14.39 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 3 NUMBER OF REFLECTIONS : 6543 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 + TEST SET) : 0.198 REMARK 3 R VALUE (WORKING SET) : 0.190 REMARK 3 FREE R VALUE : 0.274 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.800 REMARK 3 FREE R VALUE TEST SET COUNT : 712 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 3.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.07 REMARK 3 REFLECTION IN BIN (WORKING SET) : 358 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 73.11 REMARK 3 BIN R VALUE (WORKING SET) : 0.2860 REMARK 3 BIN FREE R VALUE SET COUNT : 39 REMARK 3 BIN FREE R VALUE : 0.4320 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2213 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 86 REMARK 3 SOLVENT ATOMS : 15 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.87 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.513 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.378 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 20.550 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.925 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.843 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2363 ; 0.016 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3233 ; 1.689 ; 2.059 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 285 ; 6.714 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 95 ;38.898 ;24.105 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 375 ;21.687 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 9 ;21.350 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 350 ; 0.129 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1784 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 997 ; 0.242 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1550 ; 0.310 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 57 ; 0.180 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 18 ; 0.169 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 1 ; 0.138 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1456 ; 0.617 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2281 ; 1.122 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1036 ; 1.411 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 948 ; 2.315 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 2ZFB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 10-JAN-08. REMARK 100 THE DEPOSITION ID IS D_1000027899. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-DEC-07 REMARK 200 TEMPERATURE (KELVIN) : 291 REMARK 200 PH : 7.5 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 : RIGAKU RUH3R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : AUTOMAR REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6543 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.000 REMARK 200 RESOLUTION RANGE LOW (A) : 14.950 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) : 3.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 14.95 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 1C40 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.23 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.02 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10% PEG 3350, PHOSPHATE BUFFER PH 7.5, REMARK 280 VAPOR DIFFUSION, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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 55.33800 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.13400 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 55.33800 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 32.13400 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 11420 ANGSTROM**2 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 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 CYS B 126 CB CYS B 126 SG -0.125 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 89.21 90.76 REMARK 500 ASN A 9 -44.28 -173.99 REMARK 500 PHE A 43 70.32 -109.46 REMARK 500 ASN A 113 64.84 -152.47 REMARK 500 SER B 44 -14.98 -47.61 REMARK 500 LEU B 48 -134.49 -110.49 REMARK 500 SER B 49 -26.04 89.28 REMARK 500 LEU B 78 -47.17 3.73 REMARK 500 ASN B 80 49.91 -103.30 REMARK 500 LYS B 82 -178.25 -63.06 REMARK 500 ASN B 83 -26.54 63.41 REMARK 500 ARG B 143 -73.59 11.40 REMARK 500 LYS B 144 28.33 -71.18 REMARK 500 TYR B 145 73.91 -116.35 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 85.4 REMARK 620 3 HEM A 150 NB 101.1 92.7 REMARK 620 4 HEM A 150 NC 96.3 177.7 88.5 REMARK 620 5 HEM A 150 ND 83.9 88.9 174.9 89.7 REMARK 620 6 HOH A 151 O 173.9 95.3 84.9 82.9 90.1 REMARK 620 N 1 2 3 4 5 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 87.2 REMARK 620 3 HEM B 150 NB 93.0 88.2 REMARK 620 4 HEM B 150 NC 97.5 172.6 85.8 REMARK 620 5 HEM B 150 ND 94.0 87.9 171.8 97.5 REMARK 620 6 HOH B 151 O 177.9 93.3 89.1 82.3 84.0 REMARK 620 N 1 2 3 4 5 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 150 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 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: 1C40 RELATED DB: PDB REMARK 900 BAR-HEADED GOOSE HEMOGLOBIN (AQUOMET FORM) REMARK 900 RELATED ID: 1A4F RELATED DB: PDB REMARK 900 BAR-HEADED GOOSE HEMOGLOBIN (OXY FORM) DBREF 2ZFB A 1 141 UNP P19831 HBA_PSIKR 1 141 DBREF 2ZFB B 1 146 UNP P21668 HBB_PSIKR 1 146 SEQRES 1 A 141 VAL LEU SER GLY THR ASP LYS THR ASN VAL LYS SER ILE SEQRES 2 A 141 PHE SER LYS ILE GLY GLY GLN ALA ASP ASP TYR GLY ALA SEQRES 3 A 141 GLU ALA LEU GLU ARG MET PHE VAL THR TYR PRO GLN THR SEQRES 4 A 141 LYS THR TYR PHE PRO HIS PHE ASP VAL SER PRO GLY SER SEQRES 5 A 141 ALA GLN VAL LYS ALA HIS GLY LYS LYS VAL ALA GLY GLY SEQRES 6 A 141 LEU SER GLU ALA ALA ASN HIS ILE ASP ASP ILE ALA THR SEQRES 7 A 141 SER LEU SER LYS LEU SER ASP LEU HIS ALA GLN LYS LEU SEQRES 8 A 141 ARG VAL ASP PRO VAL ASN PHE LYS LEU LEU GLY GLN CYS SEQRES 9 A 141 PHE LEU VAL VAL VAL ALA ILE HIS ASN PRO SER ALA LEU SEQRES 10 A 141 THR PRO GLU ALA HIS ALA SER LEU ASP LYS PHE LEU CYS SEQRES 11 A 141 ALA VAL GLY LEU VAL LEU THR ALA LYS TYR ARG SEQRES 1 B 146 VAL HIS TRP SER ALA GLU GLU LYS GLN LEU ILE THR GLY SEQRES 2 B 146 LEU TRP GLY LYS VAL ASN VAL ALA GLU CYS GLY ALA GLU SEQRES 3 B 146 ALA LEU ALA ARG LEU LEU ILE VAL TYR PRO TRP THR GLN SEQRES 4 B 146 ARG PHE PHE THR SER PHE GLY ASN LEU SER SER ALA SER SEQRES 5 B 146 ALA VAL LEU GLY ASN PRO ASN VAL ARG ALA HIS GLY LYS SEQRES 6 B 146 LYS VAL LEU THR SER PHE GLY GLU ALA VAL LYS ASN LEU SEQRES 7 B 146 ASP ASN ILE LYS ASN THR PHE ALA GLN 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 ASP ILE LEU ILE ILE VAL LEU ALA GLY HIS SEQRES 10 B 146 PHE GLY LYS ASP PHE THR PRO ASP CYS GLN ALA ALA TRP SEQRES 11 B 146 GLN LYS LEU VAL ARG ALA VAL ALA HIS ALA LEU ALA ARG SEQRES 12 B 146 LYS TYR HIS HET HEM A 150 43 HET HEM B 150 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 5 HOH *15(H2 O) HELIX 1 1 SER A 3 ILE A 17 1 15 HELIX 2 2 GLN A 20 TYR A 36 1 17 HELIX 3 3 PRO A 37 TYR A 42 5 6 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 LYS A 82 GLN A 89 1 8 HELIX 7 7 PRO A 95 ASN A 113 1 19 HELIX 8 8 THR A 118 LEU A 136 1 19 HELIX 9 9 THR A 137 ARG A 141 5 5 HELIX 10 10 SER B 4 GLY B 16 1 13 HELIX 11 11 ASN B 19 TYR B 35 1 17 HELIX 12 12 PRO B 36 GLY B 46 5 11 HELIX 13 13 SER B 50 GLY B 56 1 7 HELIX 14 14 ASN B 57 LEU B 78 1 22 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 ARG B 143 1 21 LINK NE2 HIS A 87 FE HEM A 150 1555 1555 2.16 LINK FE HEM A 150 O HOH A 151 1555 1555 2.20 LINK NE2 HIS B 92 FE HEM B 150 1555 1555 2.02 LINK FE HEM B 150 O HOH B 151 1555 1555 2.19 SITE 1 AC1 14 TYR A 42 PHE A 43 HIS A 45 PHE A 46 SITE 2 AC1 14 HIS A 58 LEU A 83 LEU A 86 HIS A 87 SITE 3 AC1 14 LEU A 91 ASN A 97 PHE A 98 LEU A 101 SITE 4 AC1 14 LEU A 136 HOH A 151 SITE 1 AC2 11 PHE B 41 PHE B 42 HIS B 63 LYS B 66 SITE 2 AC2 11 SER B 70 HIS B 92 LEU B 96 ASN B 102 SITE 3 AC2 11 PHE B 103 LEU B 106 HOH B 151 CRYST1 110.676 64.268 56.396 90.00 109.35 90.00 C 1 2 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 0.009035 0.000000 0.003173 0.00000 SCALE2 0.000000 0.015560 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018793 0.00000