HEADER ELECTRON TRANSPORT 10-MAR-03 1HKO TITLE NMR STRUCTURE OF BOVINE CYTOCHROME B5 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME B5; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: HEME BINDING DOMAIN, RESIDUES 1-104; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: BOVINE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR: PET21D KEYWDS CYTOCHROME, ELECTRON TRANSFER PROTEIN, HEME, ELECTRON TRANSPORT EXPDTA SOLUTION NMR NUMMDL 42 AUTHOR F.W.MUSKETT,D.WHITFORD REVDAT 3 19-APR-17 1HKO 1 REMARK REVDAT 2 24-FEB-09 1HKO 1 VERSN REVDAT 1 18-MAR-03 1HKO 0 SPRSDE 10-MAR-03 1HKO 1WDB JRNL AUTH F.W.MUSKETT,G.P.KELLY,D.WHITFORD JRNL TITL THE SOLUTION STRUCTURE OF BOVINE FERRICYTOCHROME B5 JRNL TITL 2 DETERMINED USING HETERONUCLEAR NMR METHODS. JRNL REF J.MOL.BIOL. V. 258 172 1996 JRNL REFN ISSN 0022-2836 JRNL PMID 8613986 JRNL DOI 10.1006/JMBI.1996.0241 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : DYANA REMARK 3 AUTHORS : GUNTERT,WUTHRICH REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: 5 CYCLES OF REDAC PROCEDURE REMARK 4 REMARK 4 1HKO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 10-MAR-03. REMARK 100 THE PDBE ID CODE IS EBI-12345. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 300 REMARK 210 PH : 7.0 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : NULL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 15N-1H HSQC; 15N-1H TOCSY-HSQC; REMARK 210 15N-1H NOESY HSQC; CBCANH; REMARK 210 CBCA(CO)NH; HCCH-TOCSY; (HB) REMARK 210 CB(CGCD)HD/HE; 13C-EDITED NOESY REMARK 210 HSQC REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ; 500 MHZ REMARK 210 SPECTROMETER MODEL : AMX; UNITY; UNITYPLUS REMARK 210 SPECTROMETER MANUFACTURER : BRUKER; VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : DYANA REMARK 210 METHOD USED : NULL REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 42 REMARK 210 CONFORMERS, SELECTION CRITERIA : LEAST RESTRAINT VIOLATION REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 6 REMARK 210 REMARK 210 REMARK: THE STRUCTURE WAS DETERMINED FROM A COMBINATION OF TRIPLE REMARK 210 RESONANCE NMR EXPERIMENTS ON 13C, 15N LABELED CYTOCHROME B5 REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 400 REMARK 400 COMPOUND REMARK 400 CYTOCHROME B5 IS A MEMBRANE BOUND HEMOPROTEIN WHICH REMARK 400 FUNCTIONS AS AN ELECTRON CARRIER FOR SEVERAL MEMBRANE BOUND REMARK 400 OXYGENASES. REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS 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 HE2 HIS A 67 FE HEM A 105 1.02 REMARK 500 HE2 HIS A 43 FE HEM A 105 1.28 REMARK 500 HE2 HIS A 30 HE ARG A 72 1.33 REMARK 500 O VAL A 49 HE21 GLN A 53 1.33 REMARK 500 O GLU A 48 H GLU A 52 1.40 REMARK 500 O ALA A 58 H PHE A 62 1.57 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 1 GLU A 2 77.88 -166.97 REMARK 500 1 GLU A 3 166.51 179.52 REMARK 500 1 SER A 5 142.45 -177.88 REMARK 500 1 ALA A 7 93.52 69.26 REMARK 500 1 LYS A 9 -60.89 75.62 REMARK 500 1 ASN A 20 19.95 -141.54 REMARK 500 1 HIS A 30 -60.90 68.90 REMARK 500 1 TYR A 31 1.89 -176.60 REMARK 500 1 LEU A 40 -70.10 -60.51 REMARK 500 1 GLU A 42 -176.00 -51.18 REMARK 500 1 HIS A 43 136.33 84.57 REMARK 500 1 VAL A 49 -31.18 -38.70 REMARK 500 1 HIS A 67 -178.69 -68.86 REMARK 500 1 ASP A 87 40.39 -163.87 REMARK 500 1 ILE A 91 -47.73 -131.69 REMARK 500 1 THR A 92 144.31 -33.36 REMARK 500 1 LYS A 93 108.54 67.04 REMARK 500 1 SER A 95 146.50 -179.03 REMARK 500 1 THR A 101 75.03 -159.15 REMARK 500 1 ASP A 103 91.40 -169.41 REMARK 500 2 GLU A 2 111.57 -177.74 REMARK 500 2 GLU A 3 171.74 172.19 REMARK 500 2 SER A 5 172.59 176.84 REMARK 500 2 LYS A 6 108.61 175.03 REMARK 500 2 ALA A 7 93.36 -173.76 REMARK 500 2 VAL A 8 -73.93 -38.48 REMARK 500 2 LYS A 9 -53.38 78.74 REMARK 500 2 ASN A 20 30.28 -147.74 REMARK 500 2 HIS A 30 -51.60 73.41 REMARK 500 2 TYR A 31 -9.14 177.20 REMARK 500 2 LEU A 40 -71.97 -70.43 REMARK 500 2 GLU A 42 177.31 -48.72 REMARK 500 2 HIS A 43 134.24 88.87 REMARK 500 2 VAL A 49 -26.77 -39.46 REMARK 500 2 HIS A 84 -176.77 -65.93 REMARK 500 2 ASP A 87 51.88 -179.07 REMARK 500 2 ILE A 91 -43.48 -140.68 REMARK 500 2 SER A 95 123.89 -176.44 REMARK 500 2 GLU A 96 145.66 177.97 REMARK 500 2 ASP A 103 136.23 66.91 REMARK 500 3 SER A 5 153.02 179.11 REMARK 500 3 LYS A 6 144.40 -175.28 REMARK 500 3 ALA A 7 108.99 -165.11 REMARK 500 3 LYS A 9 -55.92 77.56 REMARK 500 3 ASN A 20 24.75 -144.45 REMARK 500 3 HIS A 30 -57.79 71.89 REMARK 500 3 TYR A 31 0.24 -177.66 REMARK 500 3 GLU A 42 -154.26 -89.73 REMARK 500 3 HIS A 43 171.45 68.38 REMARK 500 3 HIS A 84 -177.23 -65.94 REMARK 500 REMARK 500 THIS ENTRY HAS 757 RAMACHANDRAN OUTLIERS. 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 105 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 67 NE2 REMARK 620 2 HEM A 105 NA 97.1 REMARK 620 3 HEM A 105 NB 82.2 90.2 REMARK 620 4 HEM A 105 NC 82.3 179.4 89.8 REMARK 620 5 HEM A 105 ND 97.4 90.7 179.1 89.4 REMARK 620 6 HIS A 43 NE2 169.6 73.4 93.3 107.1 87.3 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 105 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1CYO RELATED DB: PDB REMARK 900 BOVINE CYTOCHROME B(5) REMARK 900 RELATED ID: 1EHB RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF RECOMBINANT TRYPSIN- SOLUBILIZED FRAGMENT OF REMARK 900 CYTOCHROME B5 REMARK 900 RELATED ID: 1ES1 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF VAL61HIS MUTANT OF TRYPSIN-SOLUBILIZED REMARK 900 FRAGMENT OF CYTOCHROME B5 REMARK 900 RELATED ID: 1F03 RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF OXIDIZED BOVINE MICROSOMAL CYTOCHROME B5 REMARK 900 MUTANT (E44A, E48A, E56A, D60A) AND ITS INTERACTION WITH CYTOCHROME REMARK 900 C REMARK 900 RELATED ID: 1F04 RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF OXIDIZED BOVINE MICROSOMAL CYTOCHROME B5 REMARK 900 MUTANT (E44A, E48A, E56A, D60A) AND ITS INTERACTION WITH CYTOCHROME REMARK 900 C REMARK 900 RELATED ID: 1I5U RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF CYTOCHROME B5 TRIPLE MUTANT(E48A/E56A/D60A) REMARK 900 RELATED ID: 1LQX RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF V45E MUTANT OF CYTOCHROME B5 REMARK 900 RELATED ID: 1LR6 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF V45Y MUTANT OF CYTOCHROME B5 REMARK 900 RELATED ID: 1M20 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF F35Y MUTANT OF TRYPSIN -SOLUBILIZEDFRAGMENT OF REMARK 900 CYTOCHROME B5 REMARK 900 RELATED ID: 1WDB RELATED DB: PDB REMARK 900 NMR SOLUTION STRUCTURE OF BOVINE CYTOCHROME B5, MINIMIZED AVERAGE REMARK 900 STRUCTURE REMARK 900 RELATED ID: 5745 RELATED DB: BMRB DBREF 1HKO A 1 104 UNP P00171 CYB5_BOVIN 1 104 SEQRES 1 A 104 ALA GLU GLU SER SER LYS ALA VAL LYS TYR TYR THR LEU SEQRES 2 A 104 GLU GLU ILE GLN LYS HIS ASN ASN SER LYS SER THR TRP SEQRES 3 A 104 LEU ILE LEU HIS TYR LYS VAL TYR ASP LEU THR LYS PHE SEQRES 4 A 104 LEU GLU GLU HIS PRO GLY GLY GLU GLU VAL LEU ARG GLU SEQRES 5 A 104 GLN ALA GLY GLY ASP ALA THR GLU ASN PHE GLU ASP VAL SEQRES 6 A 104 GLY HIS SER THR ASP ALA ARG GLU LEU SER LYS THR PHE SEQRES 7 A 104 ILE ILE GLY GLU LEU HIS PRO ASP ASP ARG SER LYS ILE SEQRES 8 A 104 THR LYS PRO SER GLU SER ILE ILE THR THR ILE ASP SER HET HEM A 105 63 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 HELIX 1 1 THR A 12 HIS A 19 1 8 HELIX 2 2 LEU A 36 LEU A 40 1 5 HELIX 3 3 GLU A 47 GLU A 52 1 6 HELIX 4 4 ALA A 58 GLU A 63 1 6 HELIX 5 5 SER A 68 LYS A 76 1 9 SHEET 1 AA 5 LYS A 9 TYR A 11 0 SHEET 2 AA 5 ILE A 79 LEU A 83 1 O ILE A 80 N LYS A 9 SHEET 3 AA 5 LYS A 32 ASP A 35 -1 O VAL A 33 N ILE A 80 SHEET 4 AA 5 TRP A 26 LEU A 29 -1 O LEU A 27 N TYR A 34 SHEET 5 AA 5 GLY A 56 ASP A 57 1 O GLY A 56 N ILE A 28 LINK NE2 HIS A 67 FE HEM A 105 1555 1555 1.92 LINK FE HEM A 105 NE2 HIS A 43 1555 1555 2.22 SITE 1 AC1 17 LEU A 27 LEU A 29 PHE A 39 HIS A 43 SITE 2 AC1 17 PRO A 44 VAL A 49 GLU A 52 GLN A 53 SITE 3 AC1 17 ALA A 58 ASN A 61 PHE A 62 VAL A 65 SITE 4 AC1 17 HIS A 67 SER A 68 ALA A 71 LEU A 74 SITE 5 AC1 17 SER A 75 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MODEL 1