Predicted to enable guanyl-nucleotide exchange factor activity. Predicted to be involved in cellular response to calcium ion and positive regulation of GTPase activity. Predicted to be located in cytosol and plasma membrane. Human ortholog(s) of this gene implicated in platelet-type bleeding disorder 18. Orthologous to human RASGRP2 (RAS guanyl releasing protein 2). [provided by Alliance of Genome Resources, Apr 2022]