GP100095: RPB1 CTD(1615-1621-Lys)-Tn(1619) Pack Size:2 mg Sialyl Tn or STn (Neu5Acα2-6GalNAcα-O-Ser)

Sialyl Tn or STn (Neu5Acα2-6GalNAcα-O-Ser) at Ser140

Ser230 and Ser232

Fmoc-Ser(β-D-Xylose)-OH

C17H30O13 / 442

This compound presents a tri-antennary 6'-sialyl-LacNAc (6SLN3) N-glycan on an Asn core with a PEG8-biotin tag

GP100095: RPB1 CTD(1615-1621-Lys)-Tn(1619) Pack Size:2 mg Sialyl Tn or STn (Neu5Acα2-6GalNAcα-O-Ser)C46H73N11O18 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