《英文MSH词典》15S RNA
[入口词] 15S RNA
[主题词] RNA,Ribosomal
[英文释义] The most abundant form of RNA. Together with proteins,it forms the ribosomes,playing a structural role and also a role in ribosomal binding of mRNA and tRNAs. Individual chains are conventionally designated by their sedimentation coefficients. In eukaryotes,four large chains exist,synthesized in the nucleolus and constituting about 50% of the ribosome. (Dorland,28th ed)