PDB Short entry for 1IBE HEADER OXYGEN TRANSPORT 25-SEP-96 1IBE TITLE DEOXY-HAEMOGLOBIN TRAPPED IN THE HIGH-AFFINITY (R) STATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEMOGLOBIN (DEOXY); COMPND 3 CHAIN: A; COMPND 4 MOL_ID: 2; COMPND 5 MOLECULE: HEMOGLOBIN (DEOXY); COMPND 6 CHAIN: B SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: EQUUS CABALLUS; SOURCE 3 ORGANISM_COMMON: HORSE; SOURCE 4 ORGANISM_TAXID: 9796; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: EQUUS CABALLUS; SOURCE 7 ORGANISM_COMMON: HORSE; SOURCE 8 ORGANISM_TAXID: 9796 KEYWDS HEME, OXYGEN TRANSPORT, RESPIRATORY PROTEIN, ERYTHROCYTE EXPDTA X-RAY DIFFRACTION AUTHOR J.WILSON,K.PHILLIPS,B.LUISI REVDAT 4 07-FEB-24 1IBE 1 REMARK SEQADV LINK REVDAT 3 21-MAR-18 1IBE 1 REMARK REVDAT 2 24-FEB-09 1IBE 1 VERSN REVDAT 1 23-DEC-96 1IBE 0 JRNL AUTH J.WILSON,K.PHILLIPS,B.LUISI JRNL TITL THE CRYSTAL STRUCTURE OF HORSE DEOXYHAEMOGLOBIN TRAPPED IN JRNL TITL 2 THE HIGH-AFFINITY (R) STATE. JRNL REF J.MOL.BIOL. V. 264 743 1996 JRNL REFN ISSN 0022-2836 JRNL PMID 8980683 JRNL DOI 10.1006/JMBI.1996.0674 REMARK 2 REMARK 2 RESOLUTION. 1.80 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) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 144335 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) : NULL REMARK 3 R VALUE (WORKING SET) : 0.179 REMARK 3 FREE R VALUE : 0.230 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 : 2202 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 86 REMARK 3 SOLVENT ATOMS : 187 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.96 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) : 0.20 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) : 0.024 ; 0.025 REMARK 3 ANGLE DISTANCE (A) : 0.044 ; 0.035 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.051 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.018 ; 0.025 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.130 ; 0.120 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.190 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.290 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : 0.190 ; 0.300 REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 3.060 ; 3.000 REMARK 3 STAGGERED (DEGREES) : 20.440; 20.000 REMARK 3 TRANSVERSE (DEGREES) : 30.640; 30.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 3.337 ; 4.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 4.532 ; 6.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 6.745 ; 8.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 9.006 ; 10.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1IBE 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_1000174096. 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) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : XUONG-HAMLIN MULTIWIRE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : UCSD REMARK 200 DATA SCALING SOFTWARE : UCSD REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 32227 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.1 REMARK 200 DATA REDUNDANCY : 5.000 REMARK 200 R MERGE (I) : 0.05900 REMARK 200 R SYM (I) : NULL 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) : 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 <I/SIGMA(I)> 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 (%): 58.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.79 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 54.09000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.59000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 54.09000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 31.59000 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 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 88.53137 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 50.92060 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O ALA B 140 ND1 HIS B 143 2.07 REMARK 500 O LEU A 73 O HOH A 244 2.17 REMARK 500 O ALA B 142 ND1 HIS B 146 2.18 REMARK 500 REMARK 500 REMARK: NULL 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 SER A 133 CB SER A 133 OG 0.079 REMARK 500 REMARK 500 REMARK: NULL 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 LEU A 2 CA - C - O ANGL. DEV. = 13.3 DEGREES REMARK 500 ASP A 6 CB - CG - OD2 ANGL. DEV. = -6.5 DEGREES REMARK 500 GLU A 30 OE1 - CD - OE2 ANGL. DEV. = 9.5 DEGREES REMARK 500 GLU A 30 CG - CD - OE2 ANGL. DEV. = -12.6 DEGREES REMARK 500 ARG A 31 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 THR A 39 CA - CB - CG2 ANGL. DEV. = -8.8 DEGREES REMARK 500 THR A 41 CA - CB - CG2 ANGL. DEV. = 8.4 DEGREES REMARK 500 ASP A 64 CB - CG - OD1 ANGL. DEV. = 6.7 DEGREES REMARK 500 ASP A 75 CB - CG - OD2 ANGL. DEV. = -8.3 DEGREES REMARK 500 ASP A 82 CB - CG - OD1 ANGL. DEV. = 7.2 DEGREES REMARK 500 ARG A 92 CD - NE - CZ ANGL. DEV. = 9.3 DEGREES REMARK 500 ARG A 92 NE - CZ - NH1 ANGL. DEV. = 8.0 DEGREES REMARK 500 ARG A 92 NE - CZ - NH2 ANGL. DEV. = -7.6 DEGREES REMARK 500 ASP A 126 CB - CG - OD1 ANGL. DEV. = -5.5 DEGREES REMARK 500 GLN B 2 C - N - CA ANGL. DEV. = 15.1 DEGREES REMARK 500 GLU B 7 CB - CG - CD ANGL. DEV. = -17.2 DEGREES REMARK 500 ASP B 16 CB - CG - OD2 ANGL. DEV. = -5.6 DEGREES REMARK 500 GLU B 22 CA - CB - CG ANGL. DEV. = 20.8 DEGREES REMARK 500 TYR B 35 CZ - CE2 - CD2 ANGL. DEV. = -5.6 DEGREES REMARK 500 PHE B 41 CB - CG - CD2 ANGL. DEV. = 4.8 DEGREES REMARK 500 PHE B 41 CB - CG - CD1 ANGL. DEV. = -4.9 DEGREES REMARK 500 PHE B 45 CB - CG - CD1 ANGL. DEV. = 5.6 DEGREES REMARK 500 LYS B 66 CA - CB - CG ANGL. DEV. = 16.5 DEGREES REMARK 500 ASN B 80 N - CA - CB ANGL. DEV. = -11.0 DEGREES REMARK 500 ASP B 94 CB - CG - OD1 ANGL. DEV. = 6.8 DEGREES REMARK 500 ARG B 104 NE - CZ - NH1 ANGL. DEV. = 4.7 DEGREES REMARK 500 TYR B 130 CB - CG - CD1 ANGL. DEV. = -4.5 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 TYR A 140 -100.06 -79.13 REMARK 500 GLN B 2 75.75 148.73 REMARK 500 ASN B 80 56.70 -164.13 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 143 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 87 NE2 REMARK 620 2 HEM A 143 NA 95.5 REMARK 620 3 HEM A 143 NB 100.9 85.9 REMARK 620 4 HEM A 143 NC 105.5 158.9 88.9 REMARK 620 5 HEM A 143 ND 103.4 88.7 155.6 87.7 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 89.1 REMARK 620 3 HEM B 147 NB 97.2 87.3 REMARK 620 4 HEM B 147 NC 109.1 161.6 88.0 REMARK 620 5 HEM B 147 ND 102.8 90.3 159.7 88.0 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 143 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 147 DBREF 1IBE A 1 141 UNP P01958 HBA_HORSE 1 141 DBREF 1IBE B 1 146 UNP P02062 HBB_HORSE 1 146 SEQADV 1IBE PHE A 24 UNP P01958 TYR 24 VARIANT SEQADV 1IBE ASP A 82 UNP P01958 ASN 82 CONFLICT SEQADV 1IBE ASN A 85 UNP P01958 ASP 85 CONFLICT SEQRES 1 A 141 VAL LEU SER ALA ALA ASP LYS THR ASN VAL LYS ALA ALA SEQRES 2 A 141 TRP SER LYS VAL GLY GLY HIS ALA GLY GLU PHE GLY ALA SEQRES 3 A 141 GLU ALA LEU GLU ARG MET PHE LEU GLY 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 ALA HIS GLY LYS LYS VAL GLY ASP ALA SEQRES 6 A 141 LEU THR LEU ALA VAL GLY HIS LEU ASP ASP LEU PRO GLY SEQRES 7 A 141 ALA LEU SER ASP LEU SER ASN 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 SER THR LEU ALA VAL HIS LEU PRO ASN ASP PHE SEQRES 10 A 141 THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU SER SEQRES 11 A 141 SER VAL SER THR VAL LEU THR SER LYS TYR ARG SEQRES 1 B 146 VAL GLN LEU SER GLY GLU GLU LYS ALA ALA VAL LEU ALA SEQRES 2 B 146 LEU TRP ASP LYS VAL ASN GLU GLU 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 ASP SER PHE GLY ASP LEU SER ASN PRO GLY SEQRES 5 B 146 ALA VAL MET GLY ASN PRO LYS VAL LYS ALA HIS GLY LYS SEQRES 6 B 146 LYS VAL LEU HIS SER PHE GLY GLU GLY VAL HIS HIS LEU SEQRES 7 B 146 ASP ASN LEU LYS GLY THR PHE ALA ALA 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 VAL VAL LEU ALA ARG HIS SEQRES 10 B 146 PHE GLY LYS ASP PHE THR PRO GLU LEU GLN ALA SER 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 HEM A 143 43 HET HEM B 147 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 5 HOH *187(H2 O) HELIX 1 1 ALA A 4 VAL A 17 1 14 HELIX 2 2 ALA A 21 GLY A 35 1 15 HELIX 3 3 PRO A 37 TYR A 42 5 6 HELIX 4 4 ALA A 53 GLY A 71 1 19 HELIX 5 5 LEU A 80 ALA A 88 1 9 HELIX 6 6 PRO A 95 HIS A 112 5 18 HELIX 7 7 PRO A 119 THR A 137 1 19 HELIX 8 8 GLY B 5 LYS B 17 1 13 HELIX 9 9 GLU B 20 VAL B 34 1 15 HELIX 10 10 PRO B 36 PHE B 41 5 6 HELIX 11 11 PRO B 51 GLY B 56 1 6 HELIX 12 12 PRO B 58 HIS B 77 1 20 HELIX 13 13 PHE B 85 CYS B 93 1 9 HELIX 14 14 ASP B 99 HIS B 117 5 19 HELIX 15 15 PRO B 124 ALA B 142 1 19 LINK NE2 HIS A 87 FE HEM A 143 1555 1555 2.19 LINK NE2 HIS B 92 FE HEM B 147 1555 1555 2.28 SITE 1 AC1 17 TYR A 42 PHE A 43 HIS A 45 HIS A 58 SITE 2 AC1 17 LYS A 61 HIS A 87 LEU A 91 VAL A 93 SITE 3 AC1 17 ASN A 97 PHE A 98 LEU A 101 LEU A 136 SITE 4 AC1 17 HOH A 145 HOH A 171 HOH A 181 HOH A 225 SITE 5 AC1 17 HOH A 229 SITE 1 AC2 14 PHE B 41 PHE B 42 PHE B 45 HIS B 63 SITE 2 AC2 14 LYS B 66 SER B 70 LEU B 91 HIS B 92 SITE 3 AC2 14 LEU B 96 VAL B 98 ASN B 102 PHE B 103 SITE 4 AC2 14 LEU B 106 LEU B 141 CRYST1 108.180 63.180 54.580 90.00 111.10 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 0.009244 0.000000 0.003567 0.00000 SCALE2 0.000000 0.015828 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019638 0.00000