Inactivation of the HR6B ubiquitin-conjugating DNA repair enzyme in mice causes male sterility associated with chromatin modification Roest, H.P.; van Klaveren, J.; de Wit, J.; van Gurp, C.G.; Koken, M.H.; Vermey, M.; van Roijen, J.H.; Hoogerbrugge, J.W.; Vreeburg, J.T.; Baarends, W.M.; Bootsma, D.; Grootegoed, J.A.; Hoeijmakers, J.H. Cell 86(5): 799-810 1996 https://eurekamag.com/research/008/844/008844342.php