ID 5.1.99.4 DE alpha-methylacyl-CoA racemase. CA a (2S)-2-methylacyl-CoA = a (2R)-2-methylacyl-CoA. CC -!- alpha-methyl-branched acyl-CoA derivatives with chain lengths of more CC than C10 are substrates. CC -!- Also active toward some aromatic compounds (e.g. ibuprofen) and bile CC acid intermediates, such as trihydroxycoprostanoyl-CoA. CC -!- Not active toward free acids. DR Q9UHK6, AMACR_HUMAN; O09174, AMACR_MOUSE; O06543, AMACR_MYCTU; DR P70473, AMACR_RAT ; //