Tyropeptins, proteasome inhibitors produced by Kitasatospora sp. MK993-dF2

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Abstract

Tyropeptins are new proteasome inhibitors isolated from the culture broth of Kitasatospora sp. MK993-dF2. Tyropeptins permeate cell membranes, inhibit intracellular proteasomes and reduce the degradation of ubiquitinated proteins in mammalian cells. We performed structure-based drug design and structure-activity relationship studies on tyropeptin derivatives to obtain valuable information of derivatives. Among the synthesized tyropeptin derivatives, some boronic acid derivatives exhibited potent antitumor effects against human multiple myeloma. In this review, we summarize the discovery of tyropeptins and the development of tyropeptin derivatives.

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Momose, I., & Watanabe, T. (2017, May 1). Tyropeptins, proteasome inhibitors produced by Kitasatospora sp. MK993-dF2. Journal of Antibiotics. Nature Publishing Group. https://doi.org/10.1038/ja.2017.9

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