2.3.1.168 2-methylpropanoyl-CoA + enzyme N6-(dihydrolipoyl)lysine recombinant apo-E2 devoid of lipoic acid is fully active Bos taurus CoA + enzyme N6-(S-[2-methylpropanoyl]dihydrolipoyl)lysine - ? 359553 2.3.1.168 isovaleryl-CoA + dihydrolipoamide recombinant enzyme, i.e. E2 domain, overexpressed in Escherichia coli Bos taurus CoA + S-isovaleryldihydrolipoamide - r 359558