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Fmoc solid-phase synthesis of the N-terminal glycopentapeptide of human glycophorin AM, bearing the consecutive sialyl-T antigen, was accomplished using glycosylated amino acid building blocks on a weakly acid-labile resin with high efficiency. The benzylated glycopeptide was treated with TMSOTf-thioanisole in TFA and then with aq NaHCO3 to afford the(More)
Membrane fusion proteins such as the hemagglutinin glycoprotein have target recognition and fusion accelerative domains, where some synergistically working elements are essential for target-selective and highly effective native membrane fusion systems. In this work, novel membrane fusion devices bearing such domains were designed and constructed. We(More)
The prototype glycopeptidyl fragments of serglycin, a proteoglycan with the characteristic peptide sequence of repeating L-seryl-L-glycine, were synthesized by a convergent method involving block condensation on a solid support. In order to facilitate detachment of the protected glycopeptides from the resin, a new allyl ester type of linker, which is(More)
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