Molecular switch mechanism for stop codon versatility by release factors (RF)
Molecular switch mechanism for stop codon versatility by release factors (RF)
批准号:
22310134
负责人:
ITO Koichi
金额:
$12.56万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
2010
资助国家:
日本
项目状态:
已结题
起止时间:
2010 至 2012
中文摘要
在这里,我们从古生代Pernix Aeropyrum Pernix(APE-ARF1)与古生物翻译延伸因子aEF1α络合得到了aRF1和aPelota的第一个晶体结构。我们的生化和遗传分析表明,真正的古生菌EF1mRNA是一个RF1的载体,令人惊讶的是,它还是一个α的载体,它通过tRNA模拟在mR-NA的监控途径中发挥作用。我们的结果揭示了终止密码子识别的GTP开关机制的新方面。
英文摘要
Here we solved the first crystal structure of aRF1 and aPelota from an archaeon, Aeropyrum pernix (ape-aRF1) complexed with archaeal translation elongation factor aEF1α. Our biochemical and genetic analyses revealed that the authentic archaeal EF1α acts as a carrier GTPase for aRF1, and surprisingly, for aPelota, which functions in the mRNA surveillance pathways via tRNA mimicry. Our results revealed novel aspects of GTP switch mechanism for stop codon recognition.
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Archaeal elongation factor acts as an omnipotent carrier GTPase in translational elongation, termination and mRNA surveillance
古菌延伸因子在翻译延伸、终止和 mRNA 监测中充当全能载体 GTPase
DOI:
--
发表时间:
2011
期刊:
影响因子:
--
作者:
[Nureki, O., 他]
通讯作者:
他
Omnipotent Role of Archaeal Elongation Factor 1 Alpha in Translation Elongation, and Termination, and Quality Control of Protein Synthesis
古细菌延伸因子 1 Alpha 在蛋白质合成的翻译延伸、终止和质量控制中的万能作用
DOI:
--
发表时间:
2011
期刊:
影响因子:
--
作者:
[Kan Kobayashi, Kazuki Saito, Ryuichiro Ishitani, Koichi Ito, and Osamu Nureki, Saito K]
通讯作者:
Saito K
A Translational Fine-tuning by The Drg2-GTPase/Dfrp2 Complex
Drg2-GTPase/Dfrp2 复合物的翻译微调
DOI:
--
发表时间:
2011
期刊:
影响因子:
--
作者:
[Ryuichiro Ishitani, Kan Kobayashi, Izumi Kikuno, Kazushige Kuroha, Kazuki Saito, Koichi Ito, Toshifumi Inada, and Osamu Nureki, Saito K, Wada M, Kobayashi K, Nureki O, Ishikawa K]
通讯作者:
Ishikawa K
DOI:
10.1093/nar/gks660
发表时间:
2012-10
期刊:
Nucleic acids research
影响因子:
14.9
作者:
[Kobayashi K, Saito K, Ishitani R, Ito K, Nureki O]
通讯作者:
Nureki O
Structural basis for mRNA surveillance by Archaeal Pelota and GTP-bound EF1alpha complex
古菌 Pelota 和 GTP 结合 EF1alpha 复合物监测 mRNA 的结构基础
DOI:
--
发表时间:
2012
期刊:
影响因子:
--
作者:
[Ryuichiro Ishitani, Kan Kobayashi, Izumi Kikuno, Kazushige Kuroha, Kazuki Saito, Koichi Ito, Toshifumi Inada, and Osamu Nureki]
通讯作者:
and Osamu Nureki
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