PMID:12903187

Citation	Iwaki, J, Asahara, H, Nagaoka, Y, Yokozawa, J, Umehara, T, Kawarabayasi, Y, Koyama, Y, Sako, Y, Kuno, A and Hasegawa, T' (2002) Differences in tyrosine tRNA identity between Escherichia coli and archaeon, Aeropyrum pernix K1. Nucleic Acids Res. Suppl. ':225-6
Abstract	Recognition sites of tyrosine tRNA for tyrosyl-tRNA synthetase from Escherichia coli and extreme thermophilic archaeon, Aeropyrum pernix K1 were examined using various in vitro transcripts. With respect to the long variable arm in E. coli tyrosine tRNA, some base pairs in length was required for tyrosylation. None of the recognition sites were found in the acceptor stem, except the discriminator base A73 in E. coli tyrosine tRNA. In case of A. pernix tyrosine tRNA, C1-G72 base pair and discriminator base A73 in the acceptor region as well as anticodon were base specifically involved in tyrosylation by A. pernix tyrosyl-tRNA synthetase.
Links	PubMed
Keywords	Archaea/genetics; Base Sequence; Escherichia coli/genetics; Nucleic Acid Conformation; RNA, Transfer, Tyr/chemistry
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