Structure of Csx1-cOA4 complex reveals the basis of RNA decay in Type III-B CRISPR-Cas

oleh: Rafael Molina, Stefano Stella, Mingxia Feng, Nicholas Sofos, Vykintas Jauniskis, Irina Pozdnyakova, Blanca López-Méndez, Qunxin She, Guillermo Montoya

Format: Article
Diterbitkan: Nature Portfolio 2019-09-01

Deskripsi

Type III CRISPR-Cas RNases from the Csm and Csx families are activated by cyclic oligoadenylates (cOA). Here the authors present the cOA bound Sulfolobus islandicus Csx1 structure, which forms a hexamer and reveal an allosteric mechanism for the activation of Csx1 RNase.