Lakey JH

Slatin SL

The pore-forming colicins, the first proteins that were capable of forming voltage-dependent ion channels to be sequenced, have turned out to be both less tractable and more mysterious than imagined; yet they have proved interesting at every step of their short journey from producing cell to vanquished target cell. Starting out as a remarkably extended water-soluble protein, the colicin molecule is designed to interact simultaneously with several components of the complex membrane of the target cell, transform itself into a membrane protein, and become an ion channel with inscrutable properties. Unraveling how it does all this appears to be leading us into the dark recesses of protein/protein and protein/membrane interaction, where lurk fundamental processes reluctantly waiting to be revealed

Pore-forming colicins and their relatives

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