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ribosomal binding site
A ribosomal binding site (RBS) is a sequence on mRNA that is bound by the ribosome when initiating protein translation. In eukaryotes it is the 5' cap of the messenger RNA, in prokaryotes it is a region called the Shine-Dalgarno sequence 6-7 nucleotides upstream of a start codon. Additionally viruses can have internal ribosome entry sites (IRES) within an mRNA transcript. Once the ribosome has bound, it recruits initiation factors and begins the translation process.
== Eukaryotes ==
The eukaryotic ribosome binds the 5' cap of a messenger RNA. After finding the ribosome binding site, the ribosome recognizes the Kozak consensus sequence and begins translation at the +1 AUG codon.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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