CpA containing oligoribonucleotides specifically inhibit protein synthesis in rabbit reticulocytes.

CpA containing oligoribonucleotides specifically inhibit protein synthesis in rabbit reticulocytes.
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含有寡核糖核苷酸的 CpA 特异性抑制兔网织红细胞中的蛋白质合成。

DOI:
10.1016/0014-5793(87)81368-6
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发表时间:
1987
期刊:
影响因子:
3.5
通讯作者:
Sigler,PB
Sigler,PB
中科院分区:
生物学3区
文献类型:
--
作者:
Wagner,T;Gross,M;Sigler,PB

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单磷酸二核糖核苷CpA(而不是其他)在10-50 μM兔网织细胞裂解物中抑制多肽链延伸。此外,所有含有CpA的三核苷酸,即XpCpA和CpApX (X = U, C, A或G)也阻断了多肽链的延伸。在10 μM时,XpCpA而非CpApX的抑制是短暂的,因为3'‐外切核活性破坏了关键的CpA片段。这些抑制剂似乎不会干扰trna的氨基酰化,也不会破坏氨酰- trna与蛋白质合成机制的相互作用。高水平(200 μM)的CpA或含有CpA的三核苷酸对小麦无生殖细胞系统的翻译没有影响。
The diribonucleoside monophosphate CpA (and no others) inhibits polypeptide chain elongation in rabbit reticulocyte lysates at 10–50 μM. Furthermore, all the trinucleotides containing CpA, i.e., XpCpA and CpApX (X = U, C, A or G) block polypeptide chain elongation as well. At 10 μM the inhibition by XpCpA and not CpApX is transient because a 3'‐exonucleolytic activity destroys the critical CpA moiety. The inhibitors do not appear to interfere with the aminoacylation of tRNAs or disrupt the interaction of aminoacyl‐tRNAs with the protein synthetic machinery. High levels (200 μM) of CpA or the trinucleotides containing CpA have no effect on translation in a wheat germ cell‐free system.
真核生物中的蛋白质生物合成
DOI: --
发表时间: 1982
期刊: NATO Advanced Study Institutes Series
影响因子: --
作者:
R. Perez
通讯作者: R. Perez