Article
Basic amino-acid side chains regulate transmembrane integrin signalling.
Nature - 18 Dec 2011
Kim Chungho, Schmidt Thomas, Cho Eun-Gyung, Ye Feng, Ulmer Tobias S, Ginsberg Mark H
Abstract excerpt
Side chains of Lys/Arg near transmembrane domain (TMD) membrane-water interfaces can 'snorkel', placing their positive charge near negatively charged phospholipid head groups; however, snorkelling's functional effects are obscure. Integrin β TMDs have such conserved basic amino acids. Here we use NMR spectroscopy to show that integrin β(3)(Lys 716) helps determine β(3) TMD topography. The α(ΙΙb)β(3) TMD structure...
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