Antimycin A

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Antimycin A is a chemical compound produced by streptomyces bacteria. It is the active ingredient in Fintrol(R), a chemical piscicide (fish poison) used in fisheries management and in the catfish industry.

Antimycin A functions by inhibiting the oxidation of ubiquinol in the electron transport chain, preventing the formation of ATP later in the cycle.

Antimycin A is an antibiotic which inhibits the enzyme cytochrome c reductase (Complex III) within the electron transport chain.

It has also been found to inhibit the cyclic electron flow within photosynthetic systems along the proposed ferredoxin quinone reductase pathway.

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