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[The structural organization of interferon molecules as precursors of immuno- and neuroactive oligopeptides]
The oligopeptides effecting signalling functions are postulated to emerge from protein precursors by limited proteolytic cleavage in close vicinity to appropriate cell receptors. A variety of immunological activities of interferons are probably mediated by this mechanism. The C-terminal tripeptides liberated from IFN-alpha in limited proteolysis reactions may result in a variety of polarins eliciting a wide spectrum of immunoregulatory effects, which in combination with the antiviral activity of IFN are responsible for effective defense mechanisms in the organism.
The oligopeptides effecting signalling functions are postulated to emerge from protein precursors by limited proteolytic cleavage in close vicinity to appropriate cell receptors. A variety of immunological activities of interferons are probably mediated by this mechanism. The C-terminal tripeptides liberated from IFN-alpha in limited proteolysis reactions may result in a variety of polarins eliciting a wide spectrum of immunoregulatory effects, which in combination with the antiviral activity of IFN are responsible for effective defense mechanisms in the organism.