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2.3.1.79: maltose O-acetyltransferase

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

Word Map on EC 2.3.1.79

Reaction

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

Synonyms

maa gene product, maltose transacetylase, MAT

ECTree

     2 Transferases
         2.3 Acyltransferases
             2.3.1 Transferring groups other than aminoacyl groups
                2.3.1.79 maltose O-acetyltransferase

Systematic Name

Systematic Name on EC 2.3.1.79 - maltose O-acetyltransferase

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SYSTEMATIC NAME
IUBMB Comments
acetyl-CoA:maltose O-acetyltransferase
Not identical with EC 2.3.1.18, galactoside O-acetyltransferase. The acetyl group is added exclusively to the C6 position of glucose and to the C6 position of the non-reducing glucose residue of maltose [3]. Other substrates of this enzyme are glucose, which is a better substrate than maltose [2], and mannose and frucose, which are poorer substrates than maltose [2]. Isopropyl-beta-thio-galactose, which is a good substrate for EC 2.3.1.118 is a poor substrate for this enzyme [3].