Article
Sugar transport through maltoporin of Escherichia coli: role of the greasy slide.
Journal of bacteriology - 1 Jun 2002
Van Gelder Patrick, Dumas Fabrice, Bartoldus Ingrid, Saint Nathalie, Prilipov Alexei, Winterhalter Mathias, Wang Yanfei, Philippsen Ansgar, Rosenbusch Jürg P, Schirmer Tilman
Abstract excerpt
The lining of the maltodextrin-specific maltoporin (LamB) channel exhibits a string of aromatic residues, the greasy slide, part of which has been shown previously by crystallography to be involved in substrate binding. To probe the functional role of the greasy slide, alanine scanning mutagenesis has been performed on the six greasy slide residues and Y118 at the channel constriction. The mutants were...
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