Automated description from the Alliance of Genome Resources (Release 3.2)
Predicted to have GTPase activator activity. Predicted to be involved in COPII-coated vesicle cargo loading. Localizes to perinuclear region of cytoplasm. Human ortholog(s) of this gene implicated in Cowden syndrome and congenital dyserythropoietic anemia type II. Orthologous to human SEC23B (SEC23 homolog B, COPII coat complex component).