HEADER OXYGEN STORAGE/TRANSPORT 12-NOV-01 1KD2 TITLE CRYSTAL STRUCTURE OF HUMAN DEOXYHEMOGLOBIN IN ABSENCE OF ANY ANIONS COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEMOGLOBIN ALPHA CHAIN; COMPND 3 CHAIN: A, C; COMPND 4 MOL_ID: 2; COMPND 5 MOLECULE: HEMOGLOBIN BETA CHAIN; COMPND 6 CHAIN: B, D 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 MOL_ID: 2; SOURCE 7 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 8 ORGANISM_COMMON: HUMAN; SOURCE 9 ORGANISM_TAXID: 9606; SOURCE 10 TISSUE: BLOOD KEYWDS HUMAN DEOXY HEMOGLOBIN, HIGH O2 AFFINITY T STATE, CHLORIDE BINDING KEYWDS 2 SITES, ALLOSTERIC ANION BINDING SITES, HYDRATION, OXYGEN STORAGE- KEYWDS 3 TRANSPORT COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR M.F.COLOMBO,F.A.V.SEIXAS REVDAT 3 16-AUG-23 1KD2 1 REMARK LINK REVDAT 2 24-FEB-09 1KD2 1 VERSN REVDAT 1 10-JUN-03 1KD2 0 JRNL AUTH F.A.V.SEIXAS,W.F.AZEVEDO JR,M.F.COLOMBO JRNL TITL THE X-RAY STRUCTURE OF ISO-IONIC DEOXY-HB CRYSTAL: THE HIGH JRNL TITL 2 AFFINITY T-STATE OF HUMAN HB AND THE MECHANISM OF CHLORIDE JRNL TITL 3 REGULATION OF HB COOPERATIVE OXYGEN BINDING. JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH F.A.V.SEIXAS,W.F.AZEVEDO JR,M.F.COLOMBO REMARK 1 TITL CRYSTALLIZATION AND X-RAY DIFFRACTION DATA ANALYSIS OF HUMAN REMARK 1 TITL 2 DEOXYHAEMOGLOBIN A(0) FULLY STRIPPED OF ANY ANIONS REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 55 1914 1999 REMARK 1 REFN ISSN 0907-4449 REMARK 1 DOI 10.1107/S0907444999009750 REMARK 2 REMARK 2 RESOLUTION. 1.87 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.87 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 51030 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.198 REMARK 3 FREE R VALUE : 0.250 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 5124 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.87 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.91 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.1980 REMARK 3 BIN FREE R VALUE : 0.2500 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 5124 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4384 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 172 REMARK 3 SOLVENT ATOMS : 161 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.06 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) : NULL REMARK 3 ESD FROM SIGMAA (A) : 0.28 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.613 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 20.72 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.648 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : OVERALL TEMPERATURE FACTORS REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1KD2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-NOV-01. REMARK 100 THE DEPOSITION ID IS D_1000014827. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-AUG-98 REMARK 200 TEMPERATURE (KELVIN) : 299.0 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : LNLS REMARK 200 BEAMLINE : D03B-MX1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.38 REMARK 200 MONOCHROMATOR : SILICON CRYSTAL WITH ASYMMETRIC REMARK 200 CUT. ASYMMETRIC ANGLE: 7.25 REMARK 200 DEGREES, CONDENSATE MODE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 51030 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.870 REMARK 200 RESOLUTION RANGE LOW (A) : 69.007 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.800 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.6 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06200 REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.87 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.91 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.6 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.34800 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: PDB ENTRY 2HHB REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.40 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.48 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: DEIONIZED PEG 3350 12.5%, PH 7.0, REMARK 280 BATCH METHOD, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 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 48.66950 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 49.67400 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 48.66950 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 49.67400 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 300 REMARK: THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT CONTAINS TWO ALPHA AND REMARK 300 TWO BETA CHAINS. 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: 11330 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23340 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -101.0 KCAL/MOL 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 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 HIS A 87 CG HIS A 87 CD2 0.060 REMARK 500 HIS B 92 CG HIS B 92 CD2 0.078 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 ASN B 80 77.54 -155.93 REMARK 500 ASP C 75 39.81 -158.55 REMARK 500 HIS D 77 47.68 -143.03 REMARK 500 ASN D 80 47.52 -147.34 REMARK 500 HIS D 97 39.13 70.57 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 142 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 87 NE2 REMARK 620 2 HEM A 142 NA 101.9 REMARK 620 3 HEM A 142 NB 97.4 83.6 REMARK 620 4 HEM A 142 NC 105.0 153.1 91.8 REMARK 620 5 HEM A 142 ND 105.3 88.3 157.0 85.7 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 99.3 REMARK 620 3 HEM B 147 NB 95.7 89.1 REMARK 620 4 HEM B 147 NC 104.1 156.6 87.8 REMARK 620 5 HEM B 147 ND 99.6 88.1 164.6 88.7 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM C 142 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS C 87 NE2 REMARK 620 2 HEM C 142 NA 94.0 REMARK 620 3 HEM C 142 NB 97.4 85.7 REMARK 620 4 HEM C 142 NC 105.3 160.5 89.4 REMARK 620 5 HEM C 142 ND 103.4 91.7 159.1 86.2 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 96.2 REMARK 620 3 HEM D 147 NB 97.6 85.8 REMARK 620 4 HEM D 147 NC 102.0 161.5 88.6 REMARK 620 5 HEM D 147 ND 98.8 94.0 163.5 86.4 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 142 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 147 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM C 142 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM D 147 DBREF 1KD2 A 1 141 UNP P69905 HBA_HUMAN 1 141 DBREF 1KD2 B 1 146 UNP P68871 HBB_HUMAN 1 146 DBREF 1KD2 C 1 141 UNP P69905 HBA_HUMAN 1 141 DBREF 1KD2 D 1 146 UNP P68871 HBB_HUMAN 1 146 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 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 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 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 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 142 43 HET HEM B 147 43 HET HEM C 142 43 HET HEM D 147 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 5 HEM 4(C34 H32 FE N4 O4) FORMUL 9 HOH *161(H2 O) HELIX 1 1 SER A 3 LYS A 16 1 14 HELIX 2 2 VAL A 17 ALA A 19 5 3 HELIX 3 3 HIS A 20 PHE A 36 1 17 HELIX 4 4 PRO A 37 PHE A 43 5 7 HELIX 5 5 SER A 52 HIS A 72 1 21 HELIX 6 6 ASP A 75 LYS A 90 1 16 HELIX 7 7 PRO A 95 ALA A 111 1 17 HELIX 8 8 THR A 118 SER A 138 1 21 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 LEU B 75 1 19 HELIX 14 14 ALA B 76 ASP B 79 5 4 HELIX 15 15 ASN B 80 LYS B 95 1 16 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 SER C 3 GLY C 18 1 16 HELIX 20 20 HIS C 20 PHE C 36 1 17 HELIX 21 21 PRO C 37 PHE C 43 5 7 HELIX 22 22 SER C 52 HIS C 72 1 21 HELIX 23 23 ASP C 75 LEU C 80 1 6 HELIX 24 24 LEU C 80 LYS C 90 1 11 HELIX 25 25 PRO C 95 LEU C 113 1 19 HELIX 26 26 THR C 118 THR C 137 1 20 HELIX 27 27 THR D 4 GLY D 16 1 13 HELIX 28 28 ASN D 19 TYR D 35 1 17 HELIX 29 29 PRO D 36 GLY D 46 5 11 HELIX 30 30 THR D 50 ASN D 57 1 8 HELIX 31 31 ASN D 57 LEU D 75 1 19 HELIX 32 32 ASN D 80 LYS D 95 1 16 HELIX 33 33 PRO D 100 GLY D 119 1 20 HELIX 34 34 LYS D 120 PHE D 122 5 3 HELIX 35 35 THR D 123 HIS D 143 1 21 LINK NE2 HIS A 87 FE HEM A 142 1555 1555 2.12 LINK NE2 HIS B 92 FE HEM B 147 1555 1555 2.10 LINK NE2 HIS C 87 FE HEM C 142 1555 1555 2.17 LINK NE2 HIS D 92 FE HEM D 147 1555 1555 2.12 SITE 1 AC1 16 TYR A 42 PHE A 43 HIS A 45 HIS A 58 SITE 2 AC1 16 LYS A 61 LEU A 86 HIS A 87 LEU A 91 SITE 3 AC1 16 VAL A 93 ASN A 97 PHE A 98 LEU A 101 SITE 4 AC1 16 LEU A 136 HOH A 153 HOH A 174 LYS D 17 SITE 1 AC2 12 LYS A 56 PHE B 41 PHE B 42 HIS B 63 SITE 2 AC2 12 LYS B 66 VAL B 67 HIS B 92 LEU B 96 SITE 3 AC2 12 ASN B 102 LEU B 141 HOH B 169 HOH B 175 SITE 1 AC3 14 TYR C 42 PHE C 43 HIS C 45 PHE C 46 SITE 2 AC3 14 HIS C 58 LYS C 61 LEU C 83 LEU C 86 SITE 3 AC3 14 HIS C 87 VAL C 93 ASN C 97 PHE C 98 SITE 4 AC3 14 LEU C 101 HOH C 171 SITE 1 AC4 11 HIS C 72 HOH C 152 HIS D 63 VAL D 67 SITE 2 AC4 11 LEU D 91 HIS D 92 LEU D 96 ASN D 102 SITE 3 AC4 11 LEU D 106 LEU D 141 HOH D 164 CRYST1 97.339 99.348 66.123 90.00 90.00 90.00 P 21 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 0.010270 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010070 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015120 0.00000