Molecular evolution of the modulator of chloroplast ATP synthase: origin of the conformational change dependent regulation

FEBS Letters
T HisaboriFumie Koyama

Abstract

Chloroplast ATP synthase synthesizes ATP by utilizing a proton gradient as an energy supply, which is generated by photosynthetic electron transport. The activity of the chloroplast ATP synthase is regulated in several specific ways to avoid futile hydrolysis of ATP under various physiological conditions. Several regulatory signals such as Delta mu H(+), tight binding of ADP and its release, thiol modulation, and inhibition by the intrinsic inhibitory subunit epsilon are sensed by this complex. In this review, we describe the function of two regulatory subunits, gamma and epsilon, of ATP synthase based on their possible conformational changes and discuss the evolutionary origin of these regulation systems.

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Citations

Jun 16, 2006·Journal of Bioenergetics and Biomembranes·Richard E McCarty
Sep 27, 2012·The Journal of Biological Chemistry·Ei-Ichiro SunamuraToru Hisabori
Nov 14, 2012·Antioxidants & Redox Signaling·Toru HisaboriHiroki Konno
Mar 15, 2013·The Journal of Biological Chemistry·Kaori KohzumaDavid M Kramer
Sep 18, 2007·Plant Physiology and Biochemistry : PPB·Adriana S RibeiroJulio A Mignaco
May 17, 2015·Protein Expression and Purification·Jay-How YangPetra Fromme
Apr 28, 2020·The Journal of General and Applied Microbiology·Katsuhiko OkadaMikio Tsuzuki
Sep 4, 2020·Communications Biology·Jay-How YangPo-Lin Chiu
Apr 24, 2021·Biochemical Society Transactions·Anthony Cheuk, Thomas Meier

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