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  • Title: NMR solution structure of subunit E (fragment E(1-69)) of the Saccharomyces cerevisiae V (1)V (O) ATPase.
    Author: Rishikesan S, Thaker YR, Grüber G.
    Journal: J Bioenerg Biomembr; 2011 Apr; 43(2):187-93. PubMed ID: 21399923.
    Abstract:
    The N-terminus of V-ATPase subunit E has been shown to associate with the subunits C, G and H, respectively. To understand the assembly of E with its neighboring subunits as well as its N-terminal structure, the N-terminal region, E(1-69), of the Saccharomyces cerevisiae V-ATPase subunit E was expressed and purified. The solution structure of E(1-69) was determined by NMR spectroscopy. The protein is 90.3 Å in length and forms an á-helix between the residues 12-68. The molecule is amphipathic with hydrophobic residues at the N-terminus, predicted to interact with subunit C. The polar epitopes of E(1-69) are discussed as areas interacting with subunits G and H.
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