Dicer measures up

Recent structures of Dicer and the related bacterial enzyme, RNase III, demonstrate how Dicer acts as a molecular ruler, measuring out a precise length of double stranded RNA before cleavage.

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Figure 1: The domain structure of RNAse III enzymes.

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Cook, A., Conti, E. Dicer measures up. Nat Struct Mol Biol 13, 190–192 (2006). https://doi.org/10.1038/nsmb0306-190

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