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单词 Noncoding RNA
释义

Noncoding RNA

中文百科

非编码核糖核酸 Non-coding RNA

(重定向自Noncoding RNA)

非编码RNA英语:non-coding RNA),缩写ncRNA,是指各种不转译成蛋白质的RNA分子。过去也称此类RNA为小RNA(sRNA)。不过有些ncRNA分子其实相当大。其他较少使用的同义词还有非信使RNA(nmRNA)、小非信使RNA(snmRNA)或功能性RNA(fRNA)等。

DNA串行中专门转录成非编码RNA的部分称为RNA基因或是非编码RNA基因。非编码RNA基因用来生产tRNA(转移RNA)与rRNA(核糖体RNA),以及一些小RNA,如snoRNAs、microRNAs、siRNAs与piRNAs;较大的则有Xist、Evf、Air、CTN与PINK等。

英语百科

Non-coding RNA 非编码核糖核酸

(重定向自Noncoding RNA)
The cloverleaf structure of Yeast tRNAPhe (inset) and the 3D structure determined by X-ray analysis.
An illustration of the central dogma of molecular biology annotated with the processes ncRNAs are involved in. RNPs are shown in red, ncRNAs are shown in blue.
Atomic structure of the 50S Subunit from Haloarcula marismortui. Proteins are shown in blue and the two RNA strands in orange and yellow.[25] The small patch of green in the center of the subunit is the active site.
Electron microscopy images of the yeast spliceosome. Note the bulk of the complex is in fact ncRNA.

A non-coding RNA (ncRNA) is an RNA molecule that is not translated into a protein. Less-frequently used synonyms are non-protein-coding RNA (npcRNA), non-messenger RNA (nmRNA), functional RNA (fRNA) or simply RNA. The DNA sequence from which a functional non-coding RNA is transcribed is often called an RNA gene.

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更新时间:2025/6/19 2:05:33