capable of dihydrolipoyl dehydrogenase (NADH) activity pyruvate dehydrogenase (acetyl-transferring) activity dihydrolipoyllysine-residue acetyltransferase activity protein-containing complex alpha-ketoacid dehydrogenase complex pyruvate dehydrogenase complex The catalytic activities of the individual components of this complex are represented by the molecular function terms 'pyruvate dehydrogenase (acetyl-transferring) activity ; GO:0004739' (E1), 'dihydrolipoyllysine-residue acetyltransferase activity ; GO:0004742' (E2), and 'dihydrolipoyl dehydrogenase activity ; GO:0004148' (E3). acetyltransferase complex