SEARCH Articles Figures Tables Cytoplasmic membrane porins Escherichia coli matrix porin Gram-negative bacteria porins LamB porin Major outer membrane proteins porins Membrane protein porin Mitochondria porins OmpF porin PhoE porin PhoE porin-lecithin PhoE porin-lecithin electrode Polar porins Porin Porin Porin channels Porin trimers Porine simulations Porins Porins Porins cation transport Porins cell membrane Porins channels Porins mitochondrial Porins selective ScrY porin