HEADER OXYGEN BINDING 06-MAY-08 3D1K TITLE R/T INTERMEDIATE QUATERNARY STRUCTURE OF AN ANTARCTIC FISH HEMOGLOBIN TITLE 2 IN AN ALPHA(CO)-BETA(PENTACOORDINATE) STATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEMOGLOBIN SUBUNIT ALPHA-1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: HEMOGLOBIN ALPHA-1 CHAIN, ALPHA-1-GLOBIN; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: HEMOGLOBIN SUBUNIT BETA-1/2; COMPND 7 CHAIN: B; COMPND 8 SYNONYM: HEMOGLOBIN BETA-1/2 CHAIN, BETA-1/2-GLOBIN SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_COMMON: DUSKY NOTOTHEN; SOURCE 3 ORGANISM_TAXID: 35730; SOURCE 4 OTHER_DETAILS: GENE HBA1; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_COMMON: DUSKY NOTOTHEN; SOURCE 7 ORGANISM_TAXID: 35730 KEYWDS ANTARCTIC FISH HEMOGLOBIN, INTERMEDIATE R/T QUATERNARY STRUCTURE, KEYWDS 2 OXIDATION PATHWAY, HEME, IRON, METAL-BINDING, OXYGEN TRANSPORT, KEYWDS 3 TRANSPORT, ACETYLATION, OXYGEN BINDING EXPDTA X-RAY DIFFRACTION AUTHOR L.VITAGLIANO,A.VERGARA,G.BONOMI,A.MERLINO,L.MAZZARELLA REVDAT 4 30-AUG-23 3D1K 1 REMARK LINK REVDAT 3 24-FEB-09 3D1K 1 VERSN REVDAT 2 09-SEP-08 3D1K 1 JRNL REVDAT 1 05-AUG-08 3D1K 0 JRNL AUTH L.VITAGLIANO,A.VERGARA,G.BONOMI,A.MERLINO,C.VERDE, JRNL AUTH 2 G.DI PRISCO,B.D.HOWES,G.SMULEVICH,L.MAZZARELLA JRNL TITL SPECTROSCOPIC AND CRYSTALLOGRAPHIC CHARACTERIZATION OF A JRNL TITL 2 TETRAMERIC HEMOGLOBIN OXIDATION REVEALS STRUCTURAL FEATURES JRNL TITL 3 OF THE FUNCTIONAL INTERMEDIATE RELAXED/TENSE STATE. JRNL REF J.AM.CHEM.SOC. V. 130 10527 2008 JRNL REFN ISSN 0002-7863 JRNL PMID 18642904 JRNL DOI 10.1021/JA803363P REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH L.MAZZARELLA,A.VERGARA,L.VITAGLIANO,A.MERLINO,G.BONOMI, REMARK 1 AUTH 2 S.SCALA,C.VERDE,G.DI PRISCO REMARK 1 TITL HIGH RESOLUTION CRYSTAL STRUCTURE OF DEOXY HEMOGLOBIN FROM REMARK 1 TITL 2 TREMATOMUS BERNACCHII AT DIFFERENT PH VALUES: THE ROLE OF REMARK 1 TITL 3 HISTIDINE RESIDUES IN MODULATING THE STRENGTH OF THE ROOT REMARK 1 TITL 4 EFFECT. REMARK 1 REF PROTEINS V. 65 490 2006 REMARK 1 REFN ISSN 0887-3585 REMARK 1 PMID 16909420 REMARK 1 DOI 10.1002/PROT.21114 REMARK 1 REFERENCE 2 REMARK 1 AUTH L.MAZZARELLA,G.BONOMI,M.C.LUBRANO,A.MERLINO,A.RICCIO, REMARK 1 AUTH 2 A.VERGARA,L.VITAGLIANO,C.VERDE,G.DI PRISCO REMARK 1 TITL MINIMAL STRUCTURAL REQUIREMENTS FOR ROOT EFFECT: CRYSTAL REMARK 1 TITL 2 STRUCTURE OF THE CATHODIC HEMOGLOBIN ISOLATED FROM THE REMARK 1 TITL 3 ANTARCTIC FISH TREMATOMUS NEWNESI. REMARK 1 REF PROTEINS V. 62 316 2006 REMARK 1 REFN ISSN 0887-3585 REMARK 1 PMID 16299734 REMARK 1 DOI 10.1002/PROT.20709 REMARK 2 REMARK 2 RESOLUTION. 1.25 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) : 1.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 CROSS-VALIDATION METHOD : TROUGHOUT 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) : 0.167 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.202 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) : 114368 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 : 2239 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 91 REMARK 3 SOLVENT ATOMS : 297 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 3D1K COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-MAY-08. REMARK 100 THE DEPOSITION ID IS D_1000047475. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-NOV-00 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 114368 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.250 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 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 <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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1T1N REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 63.04 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.33 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSATLS GREW IN A WEEK BY USING A REMARK 280 PROTEIN CONCENTRATION OF 6MG/ML AND 14% W/V MPEG5000 IN A 50MM REMARK 280 TRIS HCL BUFFER AT PH 7.6, LIQUID DIFFUSION, TEMPERATURE 298K 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 44.22900 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 43.83200 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 44.22900 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 43.83200 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: 12110 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 24370 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -105.0 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 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS B 143 CB CG CD CE NZ 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 C CMO A 199 FE HEM A 200 1.85 REMARK 500 N SER A 1 O ACE A 0 2.14 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 ASP A 4 CB - CG - OD1 ANGL. DEV. = -7.2 DEGREES REMARK 500 ARG A 11 NE - CZ - NH2 ANGL. DEV. = -4.9 DEGREES REMARK 500 TYR A 90 CB - CG - CD2 ANGL. DEV. = 4.3 DEGREES REMARK 500 TYR A 90 CG - CD2 - CE2 ANGL. DEV. = 5.4 DEGREES REMARK 500 TYR A 90 CZ - CE2 - CD2 ANGL. DEV. = -5.7 DEGREES REMARK 500 ARG A 93 NE - CZ - NH1 ANGL. DEV. = -5.4 DEGREES REMARK 500 ARG A 93 NE - CZ - NH2 ANGL. DEV. = 3.5 DEGREES REMARK 500 GLU A 117 OE1 - CD - OE2 ANGL. DEV. = -8.3 DEGREES REMARK 500 GLU A 121 CG - CD - OE1 ANGL. DEV. = 13.0 DEGREES REMARK 500 GLU A 121 CG - CD - OE2 ANGL. DEV. = -12.3 DEGREES REMARK 500 TYR A 141 CZ - CE2 - CD2 ANGL. DEV. = -5.8 DEGREES REMARK 500 ARG B 8 NE - CZ - NH1 ANGL. DEV. = -5.9 DEGREES REMARK 500 ARG B 30 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 ARG B 40 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 GLY B 46 O - C - N ANGL. DEV. = 10.6 DEGREES REMARK 500 LEU B 48 C - N - CA ANGL. DEV. = 51.2 DEGREES REMARK 500 LEU B 48 CB - CA - C ANGL. DEV. = -12.2 DEGREES REMARK 500 LEU B 48 CA - C - N ANGL. DEV. = 19.9 DEGREES REMARK 500 ALA B 51 CB - CA - C ANGL. DEV. = 10.7 DEGREES REMARK 500 ALA B 51 N - CA - CB ANGL. DEV. = -11.8 DEGREES REMARK 500 GLY B 53 C - N - CA ANGL. DEV. = 15.4 DEGREES REMARK 500 MET B 55 CA - C - O ANGL. DEV. = -16.1 DEGREES REMARK 500 HIS B 63 CE1 - NE2 - CD2 ANGL. DEV. = 4.7 DEGREES REMARK 500 ARG B 73 NE - CZ - NH1 ANGL. DEV. = -3.4 DEGREES REMARK 500 TYR B 85 CG - CD1 - CE1 ANGL. DEV. = 6.3 DEGREES REMARK 500 TYR B 85 CD1 - CE1 - CZ ANGL. DEV. = -5.8 DEGREES REMARK 500 ASP B 99 CB - CG - OD1 ANGL. DEV. = -14.8 DEGREES REMARK 500 ASP B 99 CB - CG - OD2 ANGL. DEV. = 13.7 DEGREES REMARK 500 ASP B 101 CB - CG - OD2 ANGL. DEV. = 7.2 DEGREES REMARK 500 HIS B 120 CA - CB - CG ANGL. DEV. = -13.2 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 76 80.29 -158.70 REMARK 500 ASN B 77 77.30 -152.67 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 200 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 88 NE2 REMARK 620 2 HEM A 200 NA 90.5 REMARK 620 3 HEM A 200 NB 90.6 88.8 REMARK 620 4 HEM A 200 NC 90.7 178.7 90.7 REMARK 620 5 HEM A 200 ND 90.0 89.9 178.6 90.6 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 400 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 92 NE2 REMARK 620 2 HEM B 400 NA 92.1 REMARK 620 3 HEM B 400 NB 92.2 88.7 REMARK 620 4 HEM B 400 NC 93.2 174.7 90.9 REMARK 620 5 HEM B 400 ND 93.6 89.4 174.0 90.4 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 ACE A 0 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMO A 199 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 200 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 400 DBREF 3D1K A 1 142 UNP P45718 HBA1_TRENE 1 142 DBREF 3D1K B 1 146 UNP P45720 HBB_TRENE 1 146 SEQRES 1 A 142 SER LEU SER ASP LYS ASP LYS ALA ALA VAL ARG ALA LEU SEQRES 2 A 142 TRP SER LYS ILE GLY LYS SER SER ASP ALA ILE GLY ASN SEQRES 3 A 142 ASP ALA LEU SER ARG MET ILE VAL VAL TYR PRO GLN THR SEQRES 4 A 142 LYS ILE TYR PHE SER HIS TRP PRO ASP VAL THR PRO GLY SEQRES 5 A 142 SER PRO ASN ILE LYS ALA HIS GLY LYS LYS VAL MET GLY SEQRES 6 A 142 GLY ILE ALA LEU ALA VAL SER LYS ILE ASP ASP LEU LYS SEQRES 7 A 142 THR GLY LEU MET GLU LEU SER GLU GLN HIS ALA TYR LYS SEQRES 8 A 142 LEU ARG VAL ASP PRO SER ASN PHE LYS ILE LEU ASN HIS SEQRES 9 A 142 CYS ILE LEU VAL VAL ILE SER THR MET PHE PRO LYS GLU SEQRES 10 A 142 PHE THR PRO GLU ALA HIS VAL SER LEU ASP LYS PHE LEU SEQRES 11 A 142 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 VAL VAL TYR PRO TRP THR GLN SEQRES 4 B 146 ARG TYR PHE SER GLY PHE GLY ASN LEU TYR ASN ALA GLU SEQRES 5 B 146 GLY ILE MET SER ASN ALA ASN VAL ALA ALA HIS GLY ILE SEQRES 6 B 146 LYS VAL LEU HIS GLY LEU ASP ARG GLY MET LYS ASN MET SEQRES 7 B 146 ASP ASN ILE ALA ASP ALA TYR THR 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 ALA VAL VAL SER ALA LEU GLY LYS SEQRES 12 B 146 GLN TYR HIS HET ACE A 0 3 HET CMO A 199 2 HET HEM A 200 43 HET HEM B 400 43 HETNAM ACE ACETYL GROUP HETNAM CMO CARBON MONOXIDE HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 3 ACE C2 H4 O FORMUL 4 CMO C O FORMUL 5 HEM 2(C34 H32 FE N4 O4) FORMUL 7 HOH *297(H2 O) HELIX 1 1 SER A 3 GLY A 18 1 16 HELIX 2 2 SER A 20 TYR A 36 1 17 HELIX 3 3 PRO A 37 SER A 44 5 8 HELIX 4 4 SER A 53 LYS A 73 1 21 HELIX 5 5 ASP A 76 LYS A 91 1 16 HELIX 6 6 ASP A 95 SER A 97 5 3 HELIX 7 7 ASN A 98 PHE A 114 1 17 HELIX 8 8 THR A 119 ALA A 138 1 20 HELIX 9 9 GLU A 139 TYR A 141 5 3 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 LEU B 71 1 15 HELIX 15 15 LEU B 71 ASN B 77 1 7 HELIX 16 16 ASN B 80 TYR B 85 1 6 HELIX 17 17 TYR B 85 LYS B 95 1 11 HELIX 18 18 PRO B 100 GLY B 119 1 20 HELIX 19 19 HIS B 120 PHE B 122 5 3 HELIX 20 20 THR B 123 LYS B 143 1 21 LINK C ACE A 0 N SER A 1 1555 1555 1.29 LINK NE2 HIS A 88 FE HEM A 200 1555 1555 2.03 LINK NE2 HIS B 92 FE HEM B 400 1555 1555 2.10 SITE 1 AC1 3 SER A 1 LEU A 2 LEU A 135 SITE 1 AC2 2 LEU A 29 HIS A 59 SITE 1 AC3 13 TYR A 42 HIS A 45 TRP A 46 HIS A 59 SITE 2 AC3 13 LYS A 62 LEU A 84 GLN A 87 HIS A 88 SITE 3 AC3 13 LEU A 92 ASN A 98 LEU A 102 ASN A 103 SITE 4 AC3 13 LEU A 137 SITE 1 AC4 12 THR B 38 TYR B 41 PHE B 42 PHE B 45 SITE 2 AC4 12 HIS B 63 LEU B 91 HIS B 92 LEU B 96 SITE 3 AC4 12 ASN B 102 PHE B 103 LEU B 106 LEU B 141 CRYST1 88.458 87.664 55.502 90.00 99.16 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 0.011305 0.000000 0.001823 0.00000 SCALE2 0.000000 0.011407 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018250 0.00000