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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >DAD1, the defender against apoptotic cell death, is a subunit of the mammalian oligosaccharyltransferase
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DAD1, the defender against apoptotic cell death, is a subunit of the mammalian oligosaccharyltransferase

机译:DAD1是凋亡细胞死亡的防御者,是哺乳动物寡糖基转移酶的一个亚基

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摘要

DAD1, the defender against apoptotic cell death, was initially identified as a negative regulator of programmed cell death in the BHK21-derived tsBN7 cell line. Of interest, the 12.5-kDa DAD1 protein is 40/100 identical in sequence to Ost2p, the 16-kDa subunit of the yeast oligosac- charyltransferase (OST). Although the latter observation suggests that DAD1 may be a mammalian OST subunit, biochemical evidence to support this hypothesis has not been reported. Previously, we showed that canine OST activity is associated with an oligomeric complex of ribophorin I, ribo- phorin II, and OST48.
机译:DAD1是凋亡细胞死亡的防御者,最初被确定为BHK21衍生的tsBN7细胞系中程序性细胞死亡的负调节剂。有趣的是,12.5 kDa DAD1蛋白的序列与酵母寡糖基转移酶(OST)的16 kDa亚基Ost2p在序列上具有40/100相同。尽管后者的观察结果提示DAD1可能是哺乳动物OST亚基,但尚无支持该假说的生化证据。以前,我们表明犬的OST活性与核糖蛋白I,核糖蛋白II和OST48的寡聚复合物有关。

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