کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
2049910 | 1074146 | 2009 | 6 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Structural modelling of the complex of leucyl-tRNA synthetase and mis-aminoacylated tRNALeu Structural modelling of the complex of leucyl-tRNA synthetase and mis-aminoacylated tRNALeu](/preview/png/2049910.png)
To assure fidelity of translation, class Ia aminoacyl-tRNA synthetases (aaRSs) edit mis-aminoacylated tRNAs. Mis-attached amino acids and structural water molecules are not included simultaneously in the current crystal structures of the aaRS
• tRNA complexes, where the 3′-ends (adenine 76; A76) are bound to the editing sites. A structural model of the completely solvated leucyl-tRNA synthetase complexed with valyl-tRNALeu was constructed by exploiting molecular dynamics simulations modified for the present modelling. The results showed that the ribose conformation of A76 is distinct from those observed in the above-mentioned crystal structures, which could be derived from structural constraints in a sandwiched manner induced by the mis-attached valine and tRNALeu.
Journal: FEBS Letters - Volume 583, Issue 4, 18 February 2009, Pages 825–830