The ubiquitin-activating enzyme E1 homologous genes on the mouse Y chromosome (Ube1y) represent one functional gene and six partial pseudogenes.
Lévy N, Navarro A, Bishop CE, Mitchell MJ. The ubiquitin-activating enzyme E1 homologous genes on the mouse Y chromosome (Ube1y) represent one functional gene and six partial pseudogenes. Mamm Genome. 2000 Feb; 11(2):164-8.