A conserved stem-loop in the spliceosomal U6 snRNA is thought to play an important role in splicing of mRNA precursors. Recent work describes structural features of this stem-loop and highlights the significance of a previously noted catalytically important metal ion.
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Valadkhan, S., Manley, J. Intrinsic metal binding by a spliceosomal RNA. Nat Struct Mol Biol 9, 498–499 (2002). https://doi.org/10.1038/nsb0702-498
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DOI: https://doi.org/10.1038/nsb0702-498
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