Global ETD Search
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Showing 1 to 4 of 4 for “"HQNO"”.
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Characterization of the quinol nitric oxide reductase from Peresephonella marina
… entry pathway. A binding site for the inhibitor HQNO was identified in the recently reported qNOR structure (Matsumoto et al 2012). Using sequence analysis and mutagenesis we were able to confirm that the quinol binding site is comprised of residues H295, R705, and D709, which are the same …
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Structural and Functional Studies on Cytochrome BO3 Ubiquinol Oxidase From Escherichia Coli and the Characterization of Its Quinone Binding Sites
… inhibitors, 2-heptyl-4-hydroxyquinoline N-oxide (HQNO) and aurachin C 1-10 (AC1-10). Solid-state nuclear magnetic resonance (SSNMR) studies of cytochrome bo3 were initiated, and spectra with high sensitivity and resolution were obtained. A cysteine-free mutant of cytochrome bo3 was constructed and …
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Secondary ion mass spectrometry imaging of surface-bound microbial communities
… – including 2-heptyl-4-quinoline-N-oxide (HQNO) and 2-nonyl-4-quinoline-N-oxide (NQNO) – during the early stages of biofilm formation. HQNO and NQNO are known to disrupt the formation of healthy communities of gram-positive bacteria, and their high abundance during biofilm development …
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The interactions of cytochrome bo3 from Escherichia coli with its substrates - ubiquinone and oxygen
Heme-copper respiratory oxygen reductases reduce O2 to water and use the redox free energy to generate the proton motive force. Among the heme-copper oxygen reductases are the quinol oxidases, which catalyze the 2-electron oxidation of ubiquinol or menaquinol instead of cytochrome c. Escherichia …