Characterization of mutants that change the hydrogen bonding of the semiquinone radical at the QH site of the cytochrome bo3 from Escherichia coli.

scientific article published on 30 January 2007

Characterization of mutants that change the hydrogen bonding of the semiquinone radical at the QH site of the cytochrome bo3 from Escherichia coli. is …
instance of (P31):
scholarly articleQ13442814

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P356DOI10.1074/JBC.M611595200
P698PubMed publication ID17267395

P50authorRimma SamoilovaQ54264097
P2093author name stringRobert B Gennis
Sergei A Dikanov
Lai Lai Yap
P2860cites workTransient formation of ubisemiquinone radical and subsequent electron transfer process in the Escherichia coli cytochrome bo.Q47808606
Characterization of the exchangeable protons in the immediate vicinity of the semiquinone radical at the QH site of the cytochrome bo3 from Escherichia coli.Q54466652
EPR, ENDOR and TRIPLE resonance and MO studies on ubiquinones (Q-n): comparison of radical anions and cations of coenzymes Q-10 and Q-6 with the model compounds Q-2 and Q-0Q73131420
The structure of the ubiquinol oxidase from Escherichia coli and its ubiquinone binding siteQ27627323
Direct evidence for the protonation of aspartate-75, proposed to be at a quinol binding site, upon reduction of cytochrome bo3 from Escherichia coli.Q31914818
Probing molecular structure of dioxygen reduction site of bacterial quinol oxidases through ligand binding to the redox metal centersQ34115871
Reaction of the Escherichia coli quinol oxidase cytochrome bo3 with dioxygen: the role of a bound ubiquinone molecule.Q37719995
One-step purification of histidine-tagged cytochrome bo3 from Escherichia coli and demonstration that associated quinone is not required for the structural integrity of the oxidaseQ38344874
Identification of the residues involved in stabilization of the semiquinone radical in the high-affinity ubiquinone binding site in cytochrome bo(3) from Escherichia coli by site-directed mutagenesis and EPR spectroscopyQ44108221
Asymmetric binding of the high-affinity Q(H)(*)(-) ubisemiquinone in quinol oxidase (bo3) from Escherichia coli studied by multifrequency electron paramagnetic resonance spectroscopy.Q44437412
Hydrogen bond geometries from electron paramagnetic resonance and electron-nuclear double resonance parameters: density functional study of quinone radical anion-solvent interactionsQ44793884
An oxo-ferryl tryptophan radical catalytic intermediate in cytochrome c and quinol oxidases trapped by microsecond freeze-hyperquenching (MHQ).Q45075362
Reaction of Escherichia coli cytochrome bo3 with substoichiometric ubiquinol-2: a freeze-quench electron paramagnetic resonance investigationQ46416464
Uncompetitive substrate inhibition and noncompetitive inhibition by 5-n-undecyl-6-hydroxy-4,7-dioxobenzothiazole (UHDBT) and 2-n-nonyl-4-hydroxyquinoline-N-oxide (NQNO) is observed for the cytochrome bo3 complex: implications for a Q(H2)-loop protonQ46607327
P433issue12
P407language of work or nameEnglishQ1860
P921main subjectEscherichia coliQ25419
P304page(s)8777-8785
P577publication date2007-01-30
P1433published inJournal of Biological ChemistryQ867727
P1476titleCharacterization of mutants that change the hydrogen bonding of the semiquinone radical at the QH site of the cytochrome bo3 from Escherichia coli.
P478volume282

Reverse relations

cites work (P2860)
Q37632683A caged, destabilized, free radical intermediate in the q-cycle
Q35680891A rapid and robust method for selective isotope labeling of proteins
Q37307663A study of cytochrome bo3 in a tethered bilayer lipid membrane
Q37116990Accommodation of two diatomic molecules in cytochrome bo: insights into NO reductase activity in terminal oxidases
Q24595335Characterization of the semiquinone radical stabilized by the cytochrome aa3-600 menaquinol oxidase of Bacillus subtilis
Q36163371Communication between R481 and Cu(B) in cytochrome bo(3) ubiquinol oxidase from Escherichia coli
Q35163036Differential effects of glutamate-286 mutations in the aa(3)-type cytochrome c oxidase from Rhodobacter sphaeroides and the cytochrome bo(3) ubiquinol oxidase from Escherichia coli.
Q54368376Elucidating mechanisms in haem copper oxidases: the high-affinity QH binding site in quinol oxidase as studied by DONUT-HYSCORE spectroscopy and density functional theory.
Q34695524Exploring by pulsed EPR the electronic structure of ubisemiquinone bound at the QH site of cytochrome bo3 from Escherichia coli with in vivo 13C-labeled methyl and methoxy substituents.
Q54325119Heme incorporation into the cytochrome bo3 occurs at a late stage of assembly.
Q34697745Hydrogen bonds between nitrogen donors and the semiquinone in the Qi-site of the bc1 complex
Q43177384Identification of the nitrogen donor hydrogen bonded with the semiquinone at the Q(H) site of the cytochrome bo3 from Escherichia coli.
Q36030109Interactions of intermediate semiquinone with surrounding protein residues at the Q(H) site of wild-type and D75H mutant cytochrome bo3 from Escherichia coli
Q30467920Menaquinone-7 is specific cofactor in tetraheme quinol dehydrogenase CymA.
Q44784126Prediction of high- and low-affinity quinol-analogue-binding sites in the aa3 and bo3 terminal oxidases from Bacillus subtilis and Escherichia coli1.
Q39396716Q-Band Electron-Nuclear Double Resonance Reveals Out-of-Plane Hydrogen Bonds Stabilize an Anionic Ubisemiquinone in Cytochrome bo3 from Escherichia coli.
Q24631329The quinone-binding sites of the cytochrome bo3 ubiquinol oxidase from Escherichia coli

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