MicroRNAs (miRNAs) are short (20–24 nucleotides) noncoding RNAs that regulate gene expression posttranscriptionally in multicellular organisms by influencing mRNA stability and translation. miRNAs are transcribed by RNA polymerase II as capped and polyadenylated primary transcripts (pri-miRNAs), which may be protein-coding or noncoding. The primary transcript is cleaved by the RNase III enzyme Drosha to produce an approximately 70-nucleotide stem-loop precursor miRNA (pre-miRNA), which is further cleaved by cytoplasmic Dicer to yield mature miRNA and antisense miRNA star (miRNA*) products. Mature miRNA is incorporated into the RNA-induced silencing complex (RISC), which recognizes target mRNAs through imperfect base pairing with the miRNA and most commonly leads to translational inhibition or destabilization of the target mRNA. The RefSeq represents a predicted microRNA stem-loop. [Provided by RefSeq, Sep 2009]
Subcellular localization of MIR6511B2 (and its protein):
Gene Ontology (GO) terms for MIR6511B2:
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