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单词 pseudouridine
释义

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pseudouridine
pseudouridine n.
Brit. /ˌs(j)uːdə(ʊ)ˈjʊərᵻdiːn/
,
/ˌs(j)uːdə(ʊ)ˈjɔːrᵻdiːn/
,
U.S. /ˌsudoʊˈjʊrəˌdin/
,
/ˌsudoʊˈjʊrədn/
Biochemistry a nucleoside found in transfer RNA that differs from uridine in having the sugar residue attached to the base at a carbon atom rather than a nitrogen atom.Systematic name: 5-β- d-ribofuranosyluracil.
ΚΠ
1959 Biochimica et Biophysica Acta 32 571 It is proposed (by Dr. A. Michelson) that this substance be called pseudouridine, with the symbol ψ for the prefix ‘pseudo’ in abbreviations.
1982 T. M. Devlin Textbk. Biochem. xii. 635 The level of pseudouridine in the urine is also an excellent measure of tRNA turnover.
2004 Acta Crystallographica D 60 775/1 Pseudouridine is found in all three kingdoms of life including eukaryotic organelles such as mitochondria and chloroplasts. The synthesis of ψ is performed by pseudouridine synthases, which are able to recognize and convert specific uridine residues in rRNA, tRNA and snRNA.
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