Acts upstream of or within negative regulation of T cell receptor signaling pathway and regulation of cytokine production. Predicted to be located in Golgi apparatus and nucleoplasm. Predicted to be active in cytoplasm. Is expressed in several structures, including alimentary system; genitourinary system; nervous system; sensory organ; and skin. Orthologous to human UBASH3A (ubiquitin associated and SH3 domain containing A). [provided by Alliance of Genome Resources, Apr 2022]