Maltose O-acetyltransferase

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maltose O-acetyltransferase
Identifiers
EC no. 2.3.1.79
CAS no. 81295-47-8
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BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
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In enzymology, a maltose O-acetyltransferase (EC 2.3.1.79) is an enzyme that catalyzes the chemical reaction

acetyl-CoA + maltose CoA + 6-O-acetyl-alpha-D-glucopyranosyl-(1->4)-D-glucose

Thus, the two substrates of this enzyme are acetyl-CoA and maltose, whereas its two products are CoA and [[6-O-acetyl-alpha-D-glucopyranosyl-(1->4)-D-glucose]].

This enzyme belongs to the family of transferases, specifically those acyltransferases transferring groups other than aminoacyl groups. The systematic name of this enzyme class is acetyl-CoA:maltose O-acetyltransferase. Other names in common use include maltose transacetylase, maltose O-acetyltransferase, and MAT.

Structural studies

As of late 2007, 3 structures have been solved for this class of enzymes, with PDB accession codes 1OCX, 2IC7, and 2P2O.

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References