Protein Expression with a Cherry on Top

by on 24th of September, 2007 in Cloning & Expression
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Nick Oswald started Bitesize Bio on a Macbook on his kitchen table in 2007 while in his 7th year of working as a molecular biologist in biotech. He made it his day job in 2010 and has been loving it ever since.
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cherryexpress protein expression systemIf you do a lot of heterologous protein expression, take a look at Eurogentec's CherryExpress Kit. Based on the T7 expression system, the CherryExpress vector has a sequence encoding a small red polypeptide (the heme binding part of cytochrome) fused to the promoter. When your favorite gene is cloned in, the resulting fusion protein is bright red, allowing easy identification of clones expressing your gene. Even better, protein expression level can be quantified at 480nm and the highly soluble peptide could even improve the soluble expression of your protein. Tasty.

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Cloning & Expression