AnaSpec Introduces SensoLyte® 520 TEV (Tobacco Etch Virus) Protease Assay Kit
01 Nov 2013

AnaSpec, a leading provider of integrated proteomics and genomics solutions, has recently announced the release of the SensoLyte® 520 TEV Protease Assay Kit.


This kit uses a Tabacco Etch Virus (TEV) specific Glu-Asn-Leu-Tyr-Phe-Gln-Gly substrate labeled with 5-FAM dye and QXL™ 520 quencher. Proteolytic cleavage of this quenched 5-FAM-QXL™ 520 conjugate yields a brightly green fluorescence, which can be continuously monitored at Ex/Em= 490/520 nm. Increase in fluorescence intensity is directly proportional to the TEV protease quantity/activity.

TEV proteinase is widely used to remove fusion tags from recombinant proteins. It recognizes specific sequence Glu-Asn-Leu-Tyr-Phe-Gln-Gly and cleaves between Glutamine and Glycine residues. TEV protease is active even at 4 °C, making it the protease of choice for fusion proteins or tags removal.

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Liam McNair
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