Ric-8A is a cytosolic guanine nucleotide exchange factor (GEF) that activates heterotrimeric G protein alpha subunits (Gα). As a chaperone required for Gα biogenesis and membrane localization, Ric-8 homologs are essential to life in multicellular eukaryotes.https://www.creativebiolabs.net/symbolsearch_Ric-8A.htm