公开(公告)号：US10301604B2

公开(公告)日：2019-05-28

申请号：US15702893

申请日：2017-09-13

申请人： E I DU PONT DE NEMOURS AND COMPANY

发明人： Yougen Li ,  Mark S. Payne ,  Jared B. Parker ,  Slavko Kralj ,  Veli Alkan ,  Richard R. Bott ,  Robert Dicosimo ,  Qiong Cheng ,  Ellen D. Semke ,  Susan Marie Hennessey

IPC分类号： C12N9/10 ,  C12P19/04 ,  C12P19/18 ,  C08B37/00

摘要： 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.

公开(公告)号：US20190292528A1

公开(公告)日：2019-09-26

申请号：US16381010

申请日：2019-04-11

申请人： E I DU PONT DE NEMOURS AND COMPANY

发明人： Yougen Li ,  Mark S. Payne ,  Jared B. Parker ,  Slavko Kralj ,  Veli Alkan ,  Richard R. Bott ,  Robert Dicosimo ,  Qiong Cheng ,  Ellen D. Semke ,  Susan Marie Hennessey

IPC分类号： C12N9/10 ,  C08B37/00 ,  C12P19/04 ,  C12P19/18

摘要： 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.