Porin: Difference between revisions
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[[Porin]] or '''Outer Membrane Proteins''' '''(Omps)''' act as channels which allow passive diffusion of sugars, ions and amino acids. They are beta barrel proteins which traverse the cell membrane. In ''E. coli'' they are named according to their genes: C, F, G, etc. (OmpC, OmpF, OmpG). While porins all share a common fold, the detailed makeup and the shape of the inside of the barrel (the channel) determines which molecules pass through the porin and which are retained. | [[Image:Porin wobble.gif|thumb|right]][[Porin]] or '''Outer Membrane Proteins''' '''(Omps)''' act as channels which allow passive diffusion of sugars, ions and amino acids. They are beta barrel proteins which traverse the cell membrane. In ''E. coli'' they are named according to their genes: C, F, G, etc. (OmpC, OmpF, OmpG). While porins all share a common fold, the detailed makeup and the shape of the inside of the barrel (the channel) determines which molecules pass through the porin and which are retained. | ||
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