(dī-hī'drō-lip-ō-am'īd ăs'e-til-trans'fĕr-ās) An enzyme transferring acetyl from S6-acetyldihydrolipoamide to coenzyme A. A part of many enzyme complexes (e.g., pyruvate dehydrogenase complex). Synonym(s): lipoate acetyltransferase, thioltransacetylase A.