The active site of the Escherichia coli glycogen synthase is similar to the active site of retaining GT-B glycosyltransferases.

Abstract excerpt

Bacterial glycogen synthases transfer a glucosyl unit, retaining the anomeric configuration, from ADP-glucose to the non-reducing end of glycogen. We modeled the Escherichia coli glycogen synthase based on three glycosyltransferases with a GT-B fold. Comparison between the model and the structure of the active site of crystallized retaining GT-B glycosyltransferases identified conserved residues with the same...

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