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  • Title: Channel-forming (Porin) activity in Herpetosiphon aurantiacus Hp a2.
    Author: Harwardt R, Maier E, Reichenbach H, Weckesser J, Benz R.
    Journal: J Bacteriol; 2004 Oct; 186(19):6667-70. PubMed ID: 15375151.
    Abstract:
    Detergent extracts of cell envelopes of the gliding bacterium Herpetosiphon aurantiacus formed channels in lipid bilayers. Fast protein liquid chromatography across a HiTrap-Q cation-exchange column demonstrated that a 45-kDa protein forms the channel. The observation of a channel-forming protein suggests that Herpetosiphon aurantiacus Hp a2 has a permeability barrier on its surface.
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