Outer membrane porin protein of Campylobacter jejuni
- 1 December 1986
- journal article
- Published by Oxford University Press (OUP) in FEMS Microbiology Letters
- Vol. 37 (3) , 247-250
- https://doi.org/10.1016/0378-1097(86)90414-3
Abstract
Protein e, a 43-kDa protein from the outer membrane of Campylobacter jejuni UA580, was purified and reconstituted into lipid bilayer membranes. It was shown to form small channels with a single channel conductance of 8.82 nS in 1M KCl. Zero current potential measurements demonstrated that the channel was approx. 10-fold selective for K+ over Cl− ions. A porin with a similar single channel conductance was observed in fractions from the outer membrane of Campylobacter fetus UA60.Keywords
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