x-gal

英 ['eksɡ'æl] 　　美 ['eksɡ'æl] 　　

乳糖酶底物；酶切后显蓝色.
X-Gal (5-bromo-4-chloro-3-indolyl-beta-D-galactopyranoside) is an inert chromogenic substrate for beta-galactosidase； an enzyme that promotes lactose utilization.；Beta-galactosidase hydrolyzes X-Gal into a colorless galactose and 4-chloro-3-brom-indigo which forms an intense blue precipitate

an enzym..

乳糖酶底..

酶切后显..

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