How to identify biotinylated proteins? Short fast 1 minute answer!

Analogous to DamID, the biotin ligase is fused to a protein of interest, and then introduced into mammalian (or other) cells where it will biotinylate vicinal proteins upon supplementation of the culture medium with biotin. Biotinylated proteins can then be selectively isolated and identified by conventional methods, most notably mass spectrometry.

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