HEADER OXYGEN TRANSPORT/PROTEIN BINDING 10-JAN-14 4ODC TITLE CRYSTAL STRUCTURE OF TREMATOMUS BERNACCHII HEMOGLOBIN IN A PARTIALLY TITLE 2 CYANIDED STATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEMOGLOBIN SUBUNIT ALPHA; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ALPHA-GLOBIN, HEMOGLOBIN ALPHA CHAIN; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: HEMOGLOBIN SUBUNIT BETA; COMPND 7 CHAIN: B; COMPND 8 SYNONYM: BETA-GLOBIN, HEMOGLOBIN BETA CHAIN SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TREMATOMUS BERNACCHII; SOURCE 3 ORGANISM_COMMON: EMERALD ROCKCOD; SOURCE 4 ORGANISM_TAXID: 40690; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: TREMATOMUS BERNACCHII; SOURCE 7 ORGANISM_COMMON: EMERALD ROCKCOD; SOURCE 8 ORGANISM_TAXID: 40690 KEYWDS ALPHA PROTEIN, GLOBIN FOLD, OXYGEN TRANSPORT, OXYGEN TRANSPORT- KEYWDS 2 PROTEIN BINDING COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR L.MAZZARELLA,A.MERLINO,L.VITAGLIANO,A.VERGARA REVDAT 4 27-NOV-24 4ODC 1 REMARK REVDAT 3 20-SEP-23 4ODC 1 REMARK LINK REVDAT 2 11-DEC-19 4ODC 1 REMARK SEQADV LINK REVDAT 1 24-DEC-14 4ODC 0 JRNL AUTH L.MAZZARELLA,A.MERLINO,L.VITAGLIANO,C.VERDE,G.DI PRISCO, JRNL AUTH 2 J.PEISACH,A.VERGARA JRNL TITL STRUCTURAL MODIFICATIONS INDUCED BY THE SWITCH FROM AN JRNL TITL 2 ENDOGENOUS BIS-HISTIDYL TO AN EXOGENOUS CYANOMET JRNL TITL 3 HEXA-COORDINATION IN A TETRAMERIC HAEMOGLOBIN JRNL REF RSC ADV V. 4 25852 2014 JRNL REFN ESSN 2046-2069 REMARK 2 REMARK 2 RESOLUTION. 1.54 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) : 1.54 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL 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) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.165 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.197 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 3115 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 61743 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2242 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 96 REMARK 3 SOLVENT ATOMS : 405 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : NULL REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : NULL REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : NULL REMARK 3 NUMBER OF RESTRAINTS : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 ANGLE DISTANCES (A) : NULL REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : NULL REMARK 3 ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : NULL 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: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4ODC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-JAN-14. REMARK 100 THE DEPOSITION ID IS D_1000084349. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-MAY-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.6 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ELETTRA REMARK 200 BEAMLINE : 5.2R REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 61743 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.540 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.8 REMARK 200 DATA REDUNDANCY : 5.000 REMARK 200 R MERGE (I) : 0.04200 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) : 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 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: SHELXS REMARK 200 STARTING MODEL: PDB ENTRY 2PEG REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 62.33 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.27 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTALLIZATION OF PARTIALLY CYANIDED REMARK 280 HBTB (CN-HBTB) WAS CARRIED OUT AT PH 7.6 AND ROOM TEMPERATURE REMARK 280 VIA LIQUID-DIFFUSION TECHNIQUE, USING A CAPILLARY. PRECIPITANT REMARK 280 SOLUTION: 10% (W/V) PEG MME 5000, 50 MM TRIS-HCL PH 7.6, LIQUID REMARK 280 DIFFUSION, TEMPERATURE 293K 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 43.44000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 43.94000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 43.44000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 43.94000 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: 13610 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23770 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -109.0 KCAL/MOL 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 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 96 CB - CG - OD2 ANGL. DEV. = -6.1 DEGREES REMARK 500 LEU B 48 C - N - CA ANGL. DEV. = 35.8 DEGREES REMARK 500 HIS B 63 CA - CB - CG ANGL. DEV. = -13.1 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 77 78.31 -158.75 REMARK 500 PHE B 45 -144.78 -90.50 REMARK 500 ASN B 47 107.79 -51.24 REMARK 500 ASN B 47 98.77 60.08 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 HIS B 146 0.10 SIDE CHAIN 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 A1193 DISTANCE = 6.32 ANGSTROMS REMARK 525 HOH A1195 DISTANCE = 7.02 ANGSTROMS REMARK 525 HOH A1213 DISTANCE = 5.81 ANGSTROMS REMARK 525 HOH B 432 DISTANCE = 6.69 ANGSTROMS 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 203 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 89 NE2 REMARK 620 2 HEM A 203 NA 90.2 REMARK 620 3 HEM A 203 NB 90.8 89.7 REMARK 620 4 HEM A 203 NC 91.9 177.8 90.1 REMARK 620 5 HEM A 203 ND 91.2 90.0 177.9 90.1 REMARK 620 6 HOH A 201 O 177.5 88.0 87.3 89.8 90.6 REMARK 620 7 CYN A 202 C 170.0 97.0 96.1 80.9 81.9 12.6 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 202 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 92 NE2 REMARK 620 2 HEM B 202 NA 87.8 REMARK 620 3 HEM B 202 NB 91.5 89.7 REMARK 620 4 HEM B 202 NC 92.2 180.0 90.3 REMARK 620 5 HEM B 202 ND 90.4 89.6 177.9 90.4 REMARK 620 6 CYN B 201 C 165.7 83.7 99.9 96.3 78.1 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 CYN A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 203 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYN B 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 203 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2PEG RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF TREMATOMUS BERNACCHII HEMOGLOBIN IN A PARTIAL REMARK 900 HEMICHROME STATE REMARK 900 RELATED ID: 1LA6 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF TETRAMERIC HEMOGLOBIN IN A PARTIAL HEMICHROME REMARK 900 STATE REMARK 900 RELATED ID: 1S5X RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF TREMATOMUS BERNACCHII HEMOGLOBIN OXIDIZED BY REMARK 900 AIR REMARK 900 RELATED ID: 1S5Y RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF TREMATOMUS BERNACCHII HEMOGLOBIN OXIDIZED BY REMARK 900 FERRICYANIDE DBREF 4ODC A 2 143 UNP P80043 HBA_TREBE 1 142 DBREF 4ODC B 1 146 UNP P80044 HBB_TREBE 2 147 SEQADV 4ODC ACE A 1 UNP P80043 ACETYLATION SEQRES 1 A 143 ACE SER LEU SER ASP LYS ASP LYS ALA ALA VAL ARG ALA SEQRES 2 A 143 LEU TRP SER LYS ILE GLY LYS SER ALA ASP ALA ILE GLY SEQRES 3 A 143 ASN ASP ALA LEU SER ARG MET ILE VAL VAL TYR PRO GLN SEQRES 4 A 143 THR LYS THR TYR PHE SER HIS TRP PRO ASP VAL THR PRO SEQRES 5 A 143 GLY SER PRO HIS ILE LYS ALA HIS GLY LYS LYS VAL MET SEQRES 6 A 143 GLY GLY ILE ALA LEU ALA VAL SER LYS ILE ASP ASP LEU SEQRES 7 A 143 LYS THR GLY LEU MET GLU LEU SER GLU GLN HIS ALA TYR SEQRES 8 A 143 LYS LEU ARG VAL ASP PRO ALA ASN PHE LYS ILE LEU ASN SEQRES 9 A 143 HIS CYS ILE LEU VAL VAL ILE SER THR MET PHE PRO LYS SEQRES 10 A 143 GLU PHE THR PRO GLU ALA HIS VAL SER LEU ASP LYS PHE SEQRES 11 A 143 LEU SER GLY VAL ALA LEU ALA LEU ALA GLU ARG TYR ARG SEQRES 1 B 146 VAL GLU TRP THR ASP LYS GLU ARG SER ILE ILE SER ASP SEQRES 2 B 146 ILE PHE SER HIS MET ASP TYR ASP ASP ILE GLY PRO LYS SEQRES 3 B 146 ALA LEU SER ARG CYS LEU ILE VAL TYR PRO TRP THR GLN SEQRES 4 B 146 ARG HIS PHE SER GLY PHE GLY ASN LEU TYR ASN ALA GLU SEQRES 5 B 146 ALA ILE ILE GLY ASN ALA ASN VAL ALA ALA HIS GLY ILE SEQRES 6 B 146 LYS VAL LEU HIS GLY LEU ASP ARG GLY VAL LYS ASN MET SEQRES 7 B 146 ASP ASN ILE ALA ALA THR TYR ALA ASP LEU SER THR LEU SEQRES 8 B 146 HIS SER GLU LYS LEU HIS VAL ASP PRO ASP ASN PHE LYS SEQRES 9 B 146 LEU LEU SER ASP CYS ILE THR ILE VAL LEU ALA ALA LYS SEQRES 10 B 146 MET GLY HIS ALA PHE THR ALA GLU THR GLN GLY ALA PHE SEQRES 11 B 146 GLN LYS PHE LEU ALA VAL VAL VAL SER ALA LEU GLY LYS SEQRES 12 B 146 GLN TYR HIS HET ACE A 1 3 HET CYN A 202 2 HET HEM A 203 43 HET CYN B 201 2 HET HEM B 202 43 HET GOL B 203 6 HETNAM ACE ACETYL GROUP HETNAM CYN CYANIDE ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM GOL GLYCEROL HETSYN HEM HEME HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 1 ACE C2 H4 O FORMUL 3 CYN 2(C N 1-) FORMUL 4 HEM 2(C34 H32 FE N4 O4) FORMUL 7 GOL C3 H8 O3 FORMUL 8 HOH *405(H2 O) HELIX 1 1 SER A 4 GLY A 19 1 16 HELIX 2 2 SER A 21 TYR A 37 1 17 HELIX 3 3 PRO A 38 SER A 45 5 8 HELIX 4 4 SER A 54 LYS A 74 1 21 HELIX 5 5 ASP A 77 LEU A 82 1 6 HELIX 6 6 LEU A 82 TYR A 91 1 10 HELIX 7 7 ASP A 96 ALA A 98 5 3 HELIX 8 8 ASN A 99 PHE A 115 1 17 HELIX 9 9 THR A 120 ALA A 139 1 20 HELIX 10 10 THR B 4 MET B 18 1 15 HELIX 11 11 ASP B 19 TYR B 35 1 17 HELIX 12 12 PRO B 36 SER B 43 5 8 HELIX 13 13 ASN B 50 ASN B 57 1 8 HELIX 14 14 ASN B 57 ASN B 77 1 21 HELIX 15 15 ASN B 80 TYR B 85 1 6 HELIX 16 16 TYR B 85 LYS B 95 1 11 HELIX 17 17 ASP B 99 GLY B 119 1 21 HELIX 18 18 HIS B 120 PHE B 122 5 3 HELIX 19 19 THR B 123 LYS B 143 1 21 LINK C ACE A 1 N SER A 2 1555 1555 1.29 LINK NE2 HIS A 89 FE HEM A 203 1555 1555 2.10 LINK O AHOH A 201 FE HEM A 203 1555 1555 2.00 LINK C BCYN A 202 FE HEM A 203 1555 1555 1.99 LINK NE2 HIS B 92 FE HEM B 202 1555 1555 2.11 LINK C BCYN B 201 FE HEM B 202 1555 1555 1.99 SITE 1 AC1 5 LEU A 30 HIS A 60 VAL A 64 HOH A 201 SITE 2 AC1 5 HEM A 203 SITE 1 AC2 20 TYR A 43 HIS A 46 TRP A 47 HIS A 60 SITE 2 AC2 20 LYS A 63 GLN A 88 HIS A 89 LEU A 93 SITE 3 AC2 20 VAL A 95 ASN A 99 PHE A 100 LEU A 103 SITE 4 AC2 20 ASN A 104 LEU A 138 HOH A 201 CYN A 202 SITE 5 AC2 20 HOH A1057 HOH A1074 HOH A1147 ASN B 47 SITE 1 AC3 3 HIS B 63 VAL B 67 HEM B 202 SITE 1 AC4 12 HIS B 41 PHE B 42 HIS B 63 LYS B 66 SITE 2 AC4 12 HIS B 92 LEU B 96 ASN B 102 PHE B 103 SITE 3 AC4 12 LEU B 106 LEU B 141 CYN B 201 HOH B 477 SITE 1 AC5 7 VAL B 1 MET B 78 ASP B 79 ASN B 80 SITE 2 AC5 7 ILE B 81 ALA B 82 HIS B 146 CRYST1 86.880 87.880 55.250 90.00 99.66 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 0.011510 0.000000 0.001960 0.00000 SCALE2 0.000000 0.011379 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018360 0.00000 HETATM 1 C ACE A 1 3.950 -16.172 -5.065 1.00 18.00 C HETATM 2 O ACE A 1 5.017 -16.044 -4.324 1.00 21.40 O HETATM 3 CH3 ACE A 1 3.130 -15.108 -5.615 1.00 19.33 C