1.7.2.5 2-heptyl-3-hydroxy-4-quinolone i.e. Pseudomonas quinolone signal or PQS, a cell-to-cell communication signal, PQS represses denitrification in vivo and regulates denitrification primarily through iron chelation, PQS signaling under anaerobic conditions, detailed overview 146715 1.7.2.5 Antimycin 100% inhibition at 0.005 mg per mg vesicle protein, no inhibition with isoascorbate plus 2,3,5,6-tetramethyl-1,4-benzendiamine as electron donors 1528 1.7.2.5 antimycin A 100% inhibition at 0.0075 mg per ml, no inhibition with ascorbate plus 2,3,5,6-tetramethyl-1,4-benzendiamine as electron donors 1042 1.7.2.5 CN- 10 mM, 50% inhibition 159 1.7.2.5 CO - 176 1.7.2.5 cytochrome c - 84 1.7.2.5 elaidic acid - 5674 1.7.2.5 KCN 50% inhibition at 0.3 mM 161 1.7.2.5 KCN - 161 1.7.2.5 linoleic acid - 428 1.7.2.5 linolenic acid - 1413 1.7.2.5 additional information the dissimilative nitrate respiration regulator DNR is involved in NO-sensing and transcription regulation of the enzyme, apo-DNR binds heme in vitro and the heme-bound form reacts with carbon monoxide and NO, thus supporting the hypothesis that NO sensing involves gas binding to the ferrous heme, mechanism and structure, overview 2 1.7.2.5 additional information oxidation of NADH by membranes is inhibited almost completely by antimycin A or myxothiazole, indicating that the bacterium does not have a quinol oxidase 2 1.7.2.5 Myxothiazol 100% inhibition at 200 ng per mg vesicle protein, no inhibition with isoascorbate plus 2,3,5,6-tetramethyl-1,4-benzendiamine as electron donors 1448 1.7.2.5 Myxothiazol 0.045 mM, 40% inhibition of activity 1448 1.7.2.5 NH2OH at 5 mM 58% inhibition 1109 1.7.2.5 NO substrate inhibition 277 1.7.2.5 NO reversible inhibition 277 1.7.2.5 NO2 1 mM, 20% inhibition of activity 12628 1.7.2.5 o-phenanthroline at 1 mM 60% inhibition 239 1.7.2.5 oleic acid - 380 1.7.2.5 p-chloromercuribenzoate at 1 mM 85% inhibition 43 1.7.2.5 palmitoleic acid - 2281 1.7.2.5 Triton X-100 7.5% Triton X-100 results in complete inactivation after 6 h 61 1.7.2.5 Triton X-100 5% Triton X-100 results in complete inactivation after 4-5 h 61