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Actino-pnp RNA motif
Conserved RNA structure From Wikipedia, the free encyclopedia
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The Actino-pnp RNA motif is a conserved structure found in Actinomycetota that is apparently in the 5' untranslated regions of genes predicted to encode exoribonucleases.[1] The RNA element's function is likely analogous to an RNA structure found upstream of polynucleotide phosphorylase genes in E. coli and related enterobacteria.[2] In this latter system, the polynucleotide phosphorlyase gene regulates its own expression levels by a feedback mechanism that involves its activity upon the RNA structure. However, the E. coli RNA appears to be structurally unrelated to the Actino-pnp motif.
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