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Abstract | Cited by

Structure-guided active-site redesign of a family GT-80 β-D-galactoside sialyltransferase (from Pasteurella dagmatis) to change enzyme regioselectivity from α-2,3 in the wild type to α-2,6 in a P7H–M117A double mutant is reported. Biochemical data for sialylation of lactose together with protein crystal structures demonstrate highly precise enzyme engineering.

Graphical abstract: Complete switch from α-2,3- to α-2,6-regioselectivity in Pasteurella dagmatis β-d-galactoside sialyltransferase by active-site redesign

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