Predicted to enable GTPase regulator activity. Acts upstream of or within positive regulation of cytokine production involved in inflammatory response; positive regulation of inflammatory response; and positive regulation of leukocyte chemotaxis. Located in plasma membrane. Is expressed in genitourinary system; gut; skin; and thymus. Orthologous to human GPSM3 (G protein signaling modulator 3). [provided by Alliance of Genome Resources, Apr 2022]