In molecular biology, glycoside hydrolase family 43 is a family of glycoside hydrolases. Glycoside hydrolases EC 3.2.1. are a widespread group of enzymes that hydrolyse the glycosidic bond between two or more carbohydrates, or between a carbohydrate and a non-carbohydrate moiety.

It should be noted that in several plant cell wall degrading organisms there has been a dramatic expansion in GH43 family enzymes, which may reflect a more extensive range of specificities than described to date. In light of the sequence and functional diversity of GH43 members, this family has been divided into subfamilies [9].

Glycoside Hydrolase Family 43 Mechanism: Inverting e: Clan: GH-F: 3D Structure Status: 5-fold β-propeller: Catalytic Nucleophile/Base: Asp: Catalytic Proton Donor: Glu: Note: Many members have been assigned to subfamilies as described by Mewis et al. (2016) Appl. Environm. Microbiol. 82:1686-1692 (PMID: 26729713).

2016年1月6日 · DNA测序的迅速增长导致糖苷水解酶（GH）家族数量的增加。GH43家族目前包含用于半纤维素和果胶聚合物脱支和降解的α-1-阿拉伯呋喃糖苷酶，β-d-木糖苷酶，α-1-阿拉伯糖苷酶和β-d-半乳糖苷酶。

2021年1月14日 · Xylanolytic enzymes from glycoside hydrolase family 43 (GH43) are involved in the breakdown of hemicellulose, the second most abundant carbohydrate in plants.

2024年7月14日 · Therefore, the substrate and positional specificity of 34 α-L-arabinofuranosidases classified into GH43, GH51, and GH62 families was determined on arabinoxylan, arabinan, and derived oligosaccharides (many enzyme–substrate combinations were examined for the first time) covering all possible kinds …

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2014年4月1日 · We identified two GH43 β-xylosidase and one GH 11 xylanase genes in H. insolens Y1 and expressed their gene products in E. coli or P. pastoris. The recombinant proteins shared similar enzymatic characteristics. Xyl43A and Xyl43B were both bifunctional β-xylosidase/α-arabinosidases with little xylanase activities, and had a high xylose tolerance.

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2024年9月21日 · 中国GB GH43传动部件用高温合金热轧棒材及力学属性、化学成分、对照参考.