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Fig. 1 | BMC Biotechnology

Fig. 1

From: Method for quantification of porcine type I interferon activity using luminescence, by direct and indirect means

Fig. 1

Schematic diagram of methodology utilizing luminescence to quantify IFNα. A Indirect quantification is achieved through the FMDV 2A translational interrupter sequence, blue, that results in expression of luciferase and IFNα as separate proteins in an equimolar ratio in cell culture media. B Direct quantification is achieved utilizing a fusion protein consisting of SGLuc and IFNα that is secreted into cell culture media. The SGLuc-IFNα fusion protein retains both luminescence and anti-viral activity

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