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Medical Definition of Dextrin dextranase
1. A glucosyltransferase transferring 1,4-alpha-d-glucosyl residues, thus catalyzing the synthesis of dextrans (with 1,6 links between monosaccharide units) from dextrins (with 1,4 links) by glucose transfer. Synonym: dextrin-dextran transglucosidase, dextrin 6-glucosyltransferase. (05 Mar 2000)