ID 5.1.3.33 DE 2-epi-5-epi-valiolone epimerase. CA 2-epi-5-epi-valiolone = 5-epi-valiolone. CC -!- The enzyme, characterized from the bacterium Actinomyces sp. CC -!- Lu 9419, is involved in the biosynthesis of the antitumor agent CC cetoniacytone A. DR A1YPR3, CETB_ACTSX ; //