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- W2955822970 endingPage "654" @default.
- W2955822970 startingPage "654" @default.
- W2955822970 abstract "Influenza is a highly contagious virus that causes seasonal epidemics and unpredictable pandemics. Four influenza virus types have been identified to date: A, B, C, and D, where only A–C are known to infect humans. Influenza A (IAV) and B (IBV) viruses are responsible for seasonal influenza epidemics in humans and are responsible for up to a billion flu infections annually. The M2 protein is present in all influenza types and belongs to the class of viroporins (i.e., small proteins that form ion channels that increase membrane permeability in virus-infected cells). In influenza A and B, AM2 and BM2 are predominantly proton channels, although they also show some permeability to monovalent cations. In contrast, M2 proteins in influenza C (ICV) and D (IDV), CM2 and DM2, appear to be especially selective for chloride ions, with possibly some permeability to protons. These differences point to different biological roles for M2 in types A and B versus C and D, which is also reflected in their sequences. AM2 is by far the best characterized viroporin, and mechanistic details and rationale of its acid activation, proton selectivity, unidirectionality and relative low conductance are just beginning to be understood. The present review summarizes the biochemical and structural aspects of influenza viroporins and discusses the most relevant aspects of function, inhibition and interaction with the host." @default.
- W2955822970 created "2019-07-12" @default.
- W2955822970 creator A5015514174 @default.
- W2955822970 creator A5059422020 @default.
- W2955822970 date "2019-06-29" @default.
- W2955822970 modified "2023-09-30" @default.
- W2955822970 title "Viroporins in the Influenza Virus" @default.
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