Predicted to enable GTPase regulator activity and enzyme binding activity. Predicted to act upstream of or within Ras protein signal transduction and regulation of GTPase activity. Predicted to be located in perinuclear region of cytoplasm. Predicted to be part of guanyl-nucleotide exchange factor complex. Human ortholog(s) of this gene implicated in hypertension. Orthologous to human RASGRP3 (RAS guanyl releasing protein 3). [provided by Alliance of Genome Resources, Apr 2022]