Exosome component 1

3'-5' exoribonuclease CSL4 homolog is an enzyme that in humans is encoded by the EXOSC1 gene.

This gene encodes a core component of the exosome complex. The mammalian exosome is required for rapid degradation of AU rich element-containing RNAs but not for poly(A) shortening. The association of this protein with the exosome is mediated by protein-protein interactions with ribosomal RNA-processing protein 42 and ribosomal RNA-processing protein 46.

Interactions Exosome component 1 has been shown to interact with: Exosome component 5, Exosome component 6, and Exosome component 7.

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Further reading