Antimycin A1 is an active component of the antimycin A antibiotic complex. It inhibits electron transport and is active against the plant pathogenic fungus G. cingulate. Antimycin A1 (3.3-160 μM) induces the synthesis of carotenoids in M. marinum. It also inhibits ATP-citrate lyase (Ki = 29.5 μM).
Crystals. Soluble in alcohol, ether, acetone, and chloroform; slightly soluble in benzene, carbon tetrachloride, and petroleum ether; insoluble in water.
Antimycin (A3C26H36N2O9) and (Antimycin
A1) C28H40N2O9 are crystalline solids.
Antimycin A1 is the most hydrophobic of the four analogues of the antimycin A complex. Like all antimycins, antimycin A1 exhibits potent antifungal, anthelmintic, insecticidal, antiviral and antitumor activity across a range of bioassays. Although broadly active as respiration inhibitors, more recent investigation has highlighted the importance of individual members of the complex as bioprobes. Antimycin A1 inhibits angiogenesis via a decrease in VEGF production caused by inhibition of HIF-1a activation.
Experimentally as fungicide, insecticide, miticide.
An antibiotic substance said to have strong fungicidal properties.
Specific uses for antimycin A were
not found, however, antimycin A1, and antimycin A3 are
reported to be antibiotic substances produced by streptomyces
for use as a fungicide, possible insecticide and miticide.
Registered as a pesticide in the U.S.
UN2811 Toxic solids, organic, n.o.s., Hazard
Class: 6.1; Labels: 6.1-Poisonous materials, Technical
Name Required.
