期刊
JOURNAL OF CARBOHYDRATE CHEMISTRY
卷 26, 期 2, 页码 61-82出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/07328300701296810
关键词
proteoglycan; glycosaminoglycan; betaglycan; heparin; heparan sulfate
We have synthesized, for the first time, the partial sequence of the betaglycan composed of the tetraosyl hexapeptide, which was directly usable as a probe for enzymatic glycosyl transfer. Stepwise elongation afforded the corresponding tetraosyl trichloroacetimidate. The common glycosyl dipeptide:[beta-D-GlcA-(1 -> 3)-beta-D-Gal-(1 -> 3)-beta-D-Gal-(1 -> 4)-beta-D- Xyl-(1 -> O)-Ser-Gly] was synthesized by glycosylation of the corresponding tetraosyl trichloroacetimidate and Ser-Gly moiety. The glycosyl dipeptide was coupled with other core peptide parts in solution phase and on a solid support. These glycosyl hexapeptides were then transformed into the desired target compounds.
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