Related Experiment Video
Updated: Aug 23, 2026

Visualization of ATP Synthase Dimers in Mitochondria by Electron Cryo-tomography
Published on: September 14, 2014
Backbone 1H, 15N and 13C assignments for the subunit a of the E. coli ATP synthase
Abstract:
The structure of the 30 KDa subunit a of the membrane component (F(0)) of E. coli ATP synthase is investigated in a mixture of chloroform, methanol and water, a solvent previously used for solving the structure of another integral membrane protein, subunit c. Near complete backbone chemical shift assignments were made from a set of TROSY experiments including HNCO, HNCA, HN(CA)CB, HN(CO)CACB and 4D HNCOCA and HNCACO. Secondary structure of subunit a was predicted from the backbone chemical shifts using TALOS program. The protein was found to consist of multiple elongated alpha-helical segments. This finding is generally consistent with previous predictions of multiple transmembrane alpha-helices in this polytopic protein.
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