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C84H141N23O29S / 1969
The terminal amine is protected with a benzyloxycarbonyl (Cbz) group
C17H30O13 / 442
the intracellular monosaccharide modification central to O-GlcNAcylation signaling
Fmoc-Ser(β-D-Xylose)-OH
GP100095: RPB1 CTD(1615-1621-Lys)-Tn(1619) Pack Size:2 mg C84H141N23O29S / 1969C46H73N11O18 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
