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Protein Sci. 2018 Oct;27(10):1742-1754. doi: 10.1002/pro.3484. Epub 2018 Sep 24.

Bile salt hydrolases: Structure and function, substrate preference, and inhibitor development.

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College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin, 300457, China.
Department of Food Science and Biotechnology, Faculty of Agriculture and Life Sciences, Kangwon National University, Chuncheon, 200-701, South Korea.
Department of Microbiology/Immunology, McGill University, Montreal, Quebec, Canada, H3A 2B4.


The worldwide trend of limiting the use of antibiotic growth promoters (AGPs) in animal production creates challenges for the animal feed industry, thus necessitating the development of effective non-antibiotic alternatives to improve animal performance. Increasing evidence has shown that the growth-promoting effect of AGPs is highly correlated with the reduced activity of bile salt hydrolase (BSH, EC, an intestinal bacteria-producing enzyme that has a negative impact on host fat digestion and energy harvest. Therefore, BSH inhibitors may become novel, attractive alternatives to AGPs. Detailed knowledge of BSH substrate preferences and the wealth of structural data on BSHs provide a solid foundation for rationally tailored BSH inhibitor design. This review focuses on the relationship between structure and function of BSHs based on the crystal structure, kinetic data, molecular docking and comparative structural analyses. The molecular basis for BSH substrate recognition is also discussed. Finally, recent advances and future prospectives in the development of potent, safe, and cost-effective BSH inhibitors are described.


BSH inhibitors; animal feed supplements; antibiotic growth promoters; bile salt hydrolase; fat digestion; structural basis for the substrate preference

[Available on 2019-10-01]
[Indexed for MEDLINE]

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