Product Description: X-GalNAc is a chromogenic substrate for for N-acetyl-β-galactosidase, used to determine the presence or absence of a cloned DNA insert in bacteria growing on agar plates[1].
Applications: COVID-19-immunoregulation
Formula: C16H18BrClN2O6
References: [1]Semen A Leyn, et al. N-acetylgalactosamine utilization pathway and regulon in proteobacteria: genomic reconstruction and experimental characterization in <i>Shewanella</i>. J Biol Chem. 2012 Aug 10;287(33):28047-56./[2]Smith WS, et al. Applying neutral drift to the directed molecular evolution of a β-glucuronidase into a β-galactosidase: Two different evolutionary pathways lead to the same variant. BMC Res Notes. 2011 May 6;4:138.