Short Interspersed Nucleotide Elements

Medical Dictionary -> Short Interspersed Nucleotide Elements

Short Interspersed Nucleotide Elements


Highly repeated sequences, 100-300 bases long, which contain RNA polymerase III promoters. The primate Alu (ALU ELEMENTS) and the rodent B1 SINEs are derived from 7SL RNA, the RNA component of the signal recognition particle. Most other SINEs are derived from tRNAs including the MIRs (mammalian-wide interspersed repeats).


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