CAT#340 Coelenterazine 400a

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A substrate for Renilla luciferases (Rluc) but not Gaussia luciferase. It is used for real-time detection of calcium ions, gene reporter assays and a favored substrate for BRET. This derivative has an emission maximum around 400 nm and therefore minimal interference with the emission of the GFP acceptor.
Coelenterazine 400a is also know under the Perkin Elmer trademark DeepBlueC™.