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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Syntenin, a PDZ protein that binds syndecan cytoplasmic domains
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Syntenin, a PDZ protein that binds syndecan cytoplasmic domains

机译:Syntenin,一种结合syndecan细胞质结构域的PDZ蛋白

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摘要

The syndecans are transmembrane proteo- glycans that place structurally heterogeneous heparan sulfate chains at the cell surface and a highly conserved polypeptide in the cytoplasm. Their versatile heparan sulfate moieties support various processes of molecular recognition, signaling, and trafficking. Here we report the identification of a protein that binds to the cytoplasmic domains of the syndecans in yeast two-hybrid screens, surface plasmon resonance experi- ments, and ligand-overlay assays. This protein, syntenin, contains a tandem repeat of PDZ domains that reacts with the FYA C-terminal amino acid sequence of the syndecans.
机译:合成聚糖是跨膜蛋白聚糖,其在结构上将异质硫酸乙酰肝素链置于细胞表面,并将高度保守的多肽置于细胞质中。它们的多功能硫酸乙酰肝素部分支持分子识别,信号传导和运输的各种过程。在这里,我们报道了一种在酵母双杂交筛选,表面等离振子共振实验和配体重叠测定中与结合蛋白的胞质结构域结合的蛋白质的鉴定。这种蛋白,即Stentenin,包含PDZ结构域的串联重复序列,该序列与Syndecan的FYA C末端氨基酸序列反应。

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