1445-07-4O=c1[nH]cc(C2OC(CO)C(O)C2O)c(=O)[nH]1PTJWIQPHWPFNBW-UHFFFAOYSA-NBeta-pseudouridine is a metabolite found in or produced by Saccharomyces cerevisiae.
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解説プソイドウリジンC,ピリミジンヌクレオシドの一種.ほかのヌクレオシドと異なり,ウラシルの5位のC原子とリボースの1位のC原子がC-C結合(C-グリコシド)しているのが特徴である.この種のヌクレオシド抗生物質も2,3種類知られている.tRNAの微量成分として含まれている.融点222~223 ℃.[α]D-3.0°(水).λmax 262 nm(ε 7.9×103,pH 7.0),287 nm(ε 7.8×103,pH 12.0).pKa 8.9.[CAS 1445-07-4]"森北出版「化学辞典(第2版)
説明β-Pseudouridine is the C-5 glycoside isomer of the nucleoside uridine. It is formed when uridine in RNA undergoes site-specific isomerization by a pseudouridine synthase enzyme. Pseudouridine is found in tRNAs from bacteria, archaea, and eukaryotes. In vitro, it reduces the number of X-ray-induced chromosomal aberrations in human lymphocytes isolated from whole blood in a dose-dependent manner.
使用An isomer of the nucleoside uridine found in all species and in many classes of RNA except mRNA. It is formed by enzymes called Ψ synthases, which post-transcriptionally isomerize specific uridine residues in RNA in a process termed pseudouridylation. Studies suggest that β-Pseudouridine reduces radiation-induced chromosome aberrations in human lymphocytes.
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1445-07-4定義ChEBI: Pseudouridine is a C-glycosyl pyrimidine that consists of uracil having a beta-D-ribofuranosyl residue attached at position 5. The C-glycosyl isomer of the nucleoside uridine. It has a role as a fundamental metabolite.