Eukaryotic translation initiation factor 2C 2, also known as Slicer protein or Argonaute-2, provides endonuclease activity to RNA-induced silencing complexes (RISC). Slicer cleaves siRNA/mRNA heteroduplexes bound to RISC. Slicer is essential for embryonic development and RNA-mediated gene silencing (RNAi). Slicer is localised in processing bodies (P bodies) that contain decapping enzymes, a 5'-to-3' exoribonuclease, LSm proteins, and RNAi machinery components.
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