2K6I:
reference: Domain features of the peripheral stalk subunit H of the methanogenic A1AO ATP synthase and the NMR solution structure of H(1-47)., Biukovic G, Gayen S, Pervushin K, Gruber G, Biophys J. 2009 Jul 8;97(1):286-94. PMID: 19580766

This OCA Structure page
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