Nutrition & Biosciences USA 4, Inc.

Dupont Industrial Biosciences Usa, LLC

E.i. Dupont De Nemours and Company

Ellen D Semke

Yougen Li

Qiong Cheng

Mark Scott Payne

Richard Ray Bott

Susan Marie Hennessey

Jared B Parker

Veli Alkan

Robert DiCosimo

Slavko Kralj

Jian Ping Lai

Robert Dicosimo

Disclosed herein are glucosyltransferases with modified amino acid sequences. Such engineered enzymes exhibit improved alpha-glucan product yields and/or lower leucrose yields, for example. Further disclosed are reactions and methods in which engineered glucosyltransferases are used to produce alpha-glucan.

Engineered glucosyltransferases

Disclosed herein are glucosyltransferases with modified amino acid sequences. Such engineered enzymes synthesize insoluble alpha-glucan products having decreased molecular weight. Further disclosed are reactions and methods in which engineered glucosyltransferases are used to produce insoluble alpha-glucan.

Disclosed herein are glucosyltransferases with modified amino acid sequences. Such engineered enzymes synthesize alpha-glucan products having increased molecular weight. Further disclosed are reactions and methods in which engineered glucosyltransferases are used to produce alpha-glucan.

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Newark, DE, United States of America

Ellen D Semke