Automated description from the Alliance of Genome Resources (Release 7.0.0)
Enables cysteine-type endopeptidase inhibitor activity. Acts upstream of or within homologous chromosome segregation and mitotic sister chromatid cohesion. Located in cytoplasm and nucleus. Is expressed in several structures, including central nervous system; eye; limb; mesonephric tubule of male; and testis. Orthologous to several human genes including PTTG1 (PTTG1 regulator of sister chromatid separation, securin).