Predicted to enable identical protein binding activity and kinetochore binding activity. Acts upstream of or within negative regulation of T cell proliferation; regulation of mitotic cell cycle phase transition; and thymus development. Located in cytoplasm; kinetochore; and spindle pole. Human ortholog(s) of this gene implicated in lymphoma and prostate cancer. Orthologous to human MAD1L1 (mitotic arrest deficient 1 like 1). [provided by Alliance of Genome Resources, Apr 2022]