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2.3.1.12: dihydrolipoyllysine-residue acetyltransferase

This is an abbreviated version!
For detailed information about dihydrolipoyllysine-residue acetyltransferase, go to the full flat file.

Word Map on EC 2.3.1.12

Reaction

acetyl-CoA
+
enzyme N6-(dihydrolipoyl)lysine
=
CoA
+
enzyme N6-(S-acetyldihydrolipoyl)lysine

Synonyms

acetyltransferase, lipoate, DHLTA, dihydrolipoamide acetyltransferase, dihydrolipoate acetyltransferase, dihydrolipoic transacetylase, dihydrolipoyl acetyl transferase, dihydrolipoyl acetyltransferase, dihydrolipoyl acetyltransferase component E2, dihydrolipoyl acetyltransferase E2p, dihydrolipoyl transacetylase, dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex, mitochondrial, DLAT, E2, E2p, hE2, Lat1, lipoate acetyltransferase, lipoate transacetylase, lipoic acetyltransferase, lipoic acid acetyltransferase, lipoic transacetylase, lipoylacetyltransferase, More, myelin-proteolipid O-palmitoyltransferase, palmitoyl-CoA:myelin-proteolipid O-palmitoyltransferase, pyruvate dehydrogenase complex component E2, pyruvate dehydrogenase complex component E2p, pyruvate dehydrogenase complex dihydrolipoamide acetyltransferase component, thioltransacetylase A, transacetylase X

ECTree

     2 Transferases
         2.3 Acyltransferases
             2.3.1 Transferring groups other than aminoacyl groups
                2.3.1.12 dihydrolipoyllysine-residue acetyltransferase

Systematic Name

Systematic Name on EC 2.3.1.12 - dihydrolipoyllysine-residue acetyltransferase

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SYSTEMATIC NAME
IUBMB Comments
acetyl-CoA:enzyme N6-(dihydrolipoyl)lysine S-acetyltransferase
A multimer (24-mer or 60-mer, depending on the source) of this enzyme forms the core of the pyruvate dehydrogenase multienzyme complex, and binds tightly both EC 1.2.4.1, pyruvate dehydrogenase (acetyl-transferring) and EC 1.8.1.4, dihydrolipoyl dehydrogenase. The lipoyl group of this enzyme is reductively acetylated by EC 1.2.4.1, and the only observed direction catalysed by EC 2.3.1.12 is that where the acetyl group is passed to coenzyme A.