著者

阿部 一啓

出版者

一般社団法人 日本生物物理学会

雑誌

生物物理 (ISSN:05824052)

巻号頁・発行日

vol.59, no.2, pp.073-078, 2019 (Released:2019-03-26)

参考文献数

18

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When we have food intake, pH of the stomach reaches around 1. This highly acidic environment is indispensable for the digestion. Gastric proton pump, H+,K+-ATPase is a membrane protein responsible for the gastric acid secretion. Its crystal structures now reveal how this proton pump extrudes H+ even into the pH 1 environment of the stomach.