Main Reaction: fumaric acid >> malic acid

Reference: PubMed ID: 1369063
Authors: Akimoto M, Yamagaki K, Ohtaguchi K, Koide K
Title: Metabolism of L-amino acids in a marine bacterium isolated from mackerel intestines in relation to eicosapentaenoic acid biosynthesis.
Published: 1992 Oct

fumaric acid --> malic acid