(R)-2-hydroxyisocaproyl-CoA dehydratase alpha subunit

UniProtKB accession:  Q5U924

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UniProtKB description:  Involved in the reductive branch of L-leucine fermentation. Catalyzes the irreversible beta/alpha-elimination of water from (R)-2-hydroxyisocaproyl-CoA to yield isocaprenoyl-CoA. This beta/alpha-dehydration depends on the reductive formation of ketyl radicals on the substrate generated by injection of a single electron from the ATP-dependent activator protein HadI. The enzyme is specific for the R-isomer.