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Single channels and surface potential of linear gramicidins
1Laboratoire de Physico-Chimie des Systèmes Polyphasés, CNRS UA330, Montpellier, France.
Biochimie
|January 1, 1989
Abstract:
The single channel data for 4 different linear gramicidins containing either 4 Trp, 4 Phe, 4 Tyr or TyrBzl have been analyzed on the basis of 3 barriers-2 sites model. They form 2 families which differ by their single channel behavior and thus different energy profiles of the channel. A relationship between the surface potential and the entry barrier is proposed.