Nature Communications (Jul 2019)

Structural underpinnings of Ric8A function as a G-protein α-subunit chaperone and guanine-nucleotide exchange factor

  • Dhiraj Srivastava,
  • Lokesh Gakhar,
  • Nikolai O. Artemyev

DOI
https://doi.org/10.1038/s41467-019-11088-x
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 14

Abstract

Read online

Ric8A regulates G protein α-subunits (Gα) by acting as a guanine nucleotide exchange factor (GEF) and a Gα chaperone. Here, the authors solve the crystal structures of free and Gα fragment bound Ric8A, and provide insights into the structural basis for Ric8A’s GEF and chaperone functions.