Batista, F R Substitution of Asp-309 by Asn in the Arg-Asp-Pro (RDP) motif of Acetobacter diazotrophicus levansucrase affects sucrose hydrolysis, but not enzyme specificity. [electronic resource] - The Biochemical journal Feb 1999 - 503-6 p. digital Publication Type: Journal Article ISSN: 0264-6021 Subjects--Topical Terms: Acetobacter--enzymologyAmino Acid SequenceAmino Acid SubstitutionAsparagine--geneticsAspartic Acid--geneticsChromatography, High Pressure LiquidConserved SequenceHexosyltransferases--geneticsHydrolysisMutagenesis, Site-DirectedSucrose--metabolism