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/ β-D-LacNAc-Butyl-Carboxylic Acid / β-LacNAc-C4-COOH
C14H27NO11 / 385
the probe is also suited to metabolic glycoengineering and cell-based studies where membrane permeability is required prior to intracellular deprotection
C105H167N23O43 / 2439
GP100095: RPB1 CTD(1615-1621-Lys)-Tn(1619) Pack Size:2 mg / β-D-LacNAc-Butyl-Carboxylic Acid / β-LacNAc-C4-COOHC46H73N11O18 1068. 1 DNA directed RNA polymerase II (Pol II) subunit RPB1 contains a Carboxy Terminal Domain (CTD) composed of up to 52 heptapeptide repeats (YSPTSPS) that are essential for polymerase activity. The CTD Nonconsensus Repeat, Tyr Ser Pro Thr Ser Pro Ser, is heavily modified by phosphorylation, glycosylation and proline isomerization. The CTD acts as a tether to bring into close proximity the machinery necessary to synthesize and process
