The crystal structure of the eukaryotic 40S ribosomal subunit in complex with eIF1 and eIF1A

被引:67
作者
Weisser, Melanie [1 ]
Voigts-Hoffmann, Felix [1 ]
Rabl, Julius [1 ]
Leibundgut, Marc [1 ]
Ban, Nenad [1 ]
机构
[1] ETH, Inst Mol Biol & Biophys, Swiss Fed Inst Technol, CH-8093 Zurich, Switzerland
基金
瑞士国家科学基金会;
关键词
SEQUENCE ALIGNMENT EDITOR; START CODON SELECTION; INITIATION-FACTORS; 1A; TRANSLATION INITIATION; IN-VIVO; BINDING; QUALITY; RNA; RECOGNITION; SOFTWARE;
D O I
10.1038/nsmb.2622
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Eukaryotic translation initiation factors (eIFs) 1A and 1 are central players in the complex process of start-codon recognition. To improve mechanistic understanding of this process, we determined the crystal structure of the 40S ribosomal subunit in complex with eIF1A and eIF1 from Tetrahymena thermophila at a resolution of 3.7 angstrom. It reveals the positions of the two factors on the 40S and the conformational changes that accompany their binding.
引用
收藏
页码:1015 / +
页数:4
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