Description
HQNO (341-88-8) is a naturally occurring antagonist of dihydrostreptomycin. Potent inhibitor of the respiratory chain binding to the mitochondrial cytochrome b protein. HQNO inhibits NADH oxidase (NADH) and Na+-dependent NADH-quinone reductase (NQR).
Uses
HQNO is a streptomycin antagonist. A naturally occurring antagonist of dihydrostreptomycin.
Definition
ChEBI: 2-heptyl-4-hydroxyquinoline N-oxide is an inhibitor of the mitochondrial respiratory chain at cytochrome bc1 and of photosynthetic electron flow immediately before cytochrome b559. It is a monohydroxyquinoline and a quinoline N-oxide.
References
[1] Y NAKAYAMA. Inhibitor studies of a new antibiotic, korormicin, 2-n-heptyl-4-hydroxyquinoline N-oxide and Ag+ toward the Na+-translocating NADH-quinone reductase from the marine Vibrio alginolyticus.[J]. Biological & pharmaceutical bulletin, 1999, 22 10: 1064-1067. DOI:
10.1248/bpb.22.1064