PYBG acts as a versatile precursor to be facilely conjugated with various fluorescent dyes through 'Click chemistry' and Sonogashira coupling reactions[1].
[1]. Xinbo Song, et al. Terminal alkyne substituted O6-benzylguanine for versatile and effective syntheses of fluorescent labels to genetically encoded SNAP-tags. RSC Advances. 26 Feb 2015.
















