Tian Liu
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Revisiting glycoside hydrolase family 20 beta-N-acetyl-d-hexosaminidases: Crystal structures, physiological substrates and specific inhibitors.
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Indexed by:期刊论文

Date of Publication:2018-01-01

Journal:Biotechnology advances

Included Journals:SCIE

Volume:36

Issue:4

Page Number:1127-1138

ISSN No.:1873-1899

Key Words:beta-N-acetyl-D-hexosaminidase; Glycoside hydrolase; Crystal structure; Substrate; Catalytic mechanism; Inhibitor; Drug; Pesticide

Abstract:Glycoside hydrolase family 20 beta-N-acetyl-d-hexosaminidases (GH20s) catalyze the hydrolysis of glycosidic linkages in glycans, glycoproteins and glycolipids. The diverse substrates of GH20s account for their various roles in many important bioprocesses, such as glycoprotein modification, glycoconjugate metabolism, gamete recognition and chitin degradation in fungal cell walls and arthropod exoskeletons. Defects in human GH20s cause lysosomal storage diseases, Alzheimer's disease and osteoarthritis. Similarly, lower levels of GH20s arrest arthropod molting. Although GH20s are promising targets for drug and agrochemical development, designing bioactive molecules to target one specific enzyme is challenging because GH20s share a conserved catalytic mechanism. With the development of structural biology, the last two decades have witnessed a dramatic increase in crystallographic investigations of liganded and unliganded GH20s, providing core information for rational molecular designs. This critical review summarizes recent research advances in GH20s, with a focus on their structural basis of substrate specificity as well as on inhibitor design. As more crystal structures of targeted GH20s are determined and analyzed, dynamics of their catalysis and inhibition will also be elucidated, which will facilitate the development of new drugs, pesticides and agrochemicals. Copyright © 2018 Elsevier Inc. All rights reserved.

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Gender:Male

Alma Mater:Dalian University of Technology

Degree:Doctoral Degree

School/Department:School of Bioengineering

Discipline:Biochemical Engineering. Biochemistry and Molecular Biolog

Business Address:Room 445, School of Bioengineering

Contact Information:tianliu@dlut.edu.cn

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