Unusual usage of wobble modifications in mitochondrial tRNAs of the nematodeAscaris suum
作者： Masayuki Sakurai , Takashi Ohtsuki , Tsutomu Suzuki , Kimitsuna Watanabe
DOI: 10.1016/J.FEBSLET.2005.04.009
关键词:
摘要: Abstract To understand the decoding property of nematode mitochondrial tRNAs with unusual secondary structures, post-transcriptional modifications at wobble positions Ascaris suum corresponding to two-codon families ending a purine were analyzed. 5-Carboxymethylaminomethyluridine (cmnm 5 U) was identified tRNA Lys , Glu and Gln while 5-carboxymethylaminomethyl-2-thiouridine s 2 present in UAA Leu Trp . In most bacterial tRNAs, 2-thiouridine derivative is for Lys, Gln. These no report that cmnm U used The usage might assist mRNAs.
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