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  • Title: Superposition of a tRNASer acceptor stem microhelix into the seryl-tRNA synthetase complex.
    Author: Förster C, Brauer AB, Fürste JP, Betzel Ch, Weber M, Cordes F, Erdmann VA.
    Journal: Biochem Biophys Res Commun; 2007 Oct 19; 362(2):415-8. PubMed ID: 17719008.
    Abstract:
    Aminoacyl-tRNA synthetases catalyze the formation of aminoacyl-tRNAs. Seryl-tRNA synthetase is a class II synthetase, which depends on rather few and simple identity elements in tRNA(Ser) to determine the amino acid specificity. tRNA(Ser) acceptor stem microhelices can be aminoacylated with serine, which makes this part of the tRNA a valuable tool for investigating the structural motifs in a tRNA(Ser)-seryl-tRNA synthetase complex. A 1.8A-resolution tRNA(Ser) acceptor stem crystal structure was superimposed to a 2.9A-resolution crystal structure of a tRNA(Ser)-seryl-tRNA synthetase complex for a visualization of the binding environment of the tRNA(Ser) microhelix.
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