S. aureus MscL Is a Pentamer In Vivo but of Variable Stoichiometries In Vitro: Implications for Detergent-Solubilized Membrane Proteins
Author(s) -
Michael R. Dorwart,
Robin Wray,
Chad A. Brautigam,
Youxing Jiang,
Paul Blount
Publication year - 2010
Publication title -
plos biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 4.127
H-Index - 271
eISSN - 1545-7885
pISSN - 1544-9173
DOI - 10.1371/journal.pbio.1000555
Subject(s) - pentamer , tetramer , biology , biophysics , mechanosensitive channels , biochemistry , oligomer , random hexamer , membrane , analytical ultracentrifugation , protein structure , sedimentation equilibrium , in vivo , ion channel , crystallography , chemistry , ultracentrifuge , enzyme , receptor , microbiology and biotechnology , organic chemistry
Detergent-induced rearrangements of membrane-protein subunits explain why two MscL channel stoichiometries have been resolved by X-ray crystallography - but S. aureus MscL is truly a pentamer in vivo.
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