page_title: External transcribed spacer
hierarchical_section_title: External transcribed spacer
caption_attribution_description: author: Norbert Holstein source: self-made
context_page_description: External transcribed spacer refers to a piece of non-functional RNA, closely related to the internal transcribed spacer, which is situated outside structural ribosomal RNAs on a common precursor transcript. ETS sequences characteristic to an organism can be used to trace its phylogeny.
context_section_description: External transcribed spacer (ETS) refers to a piece of non-functional RNA, closely related to the internal transcribed spacer, which is situated outside structural ribosomal RNAs (rRNA) on a common precursor transcript. ETS sequences characteristic to an organism can be used to trace its phylogeny.
caption: Organization of the eukaryotic nuclear ribosomal DNA tandem repeats.
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