Activation function 2 (AF-2) of retinoic acid receptor and 9-cis retinoic acid receptor: presence of a conserved autonomous constitutive activating domain and influence of the nature of the response element on AF-2 activity. - Durand,B.; Saunders,M.; Gaudon,C.; Roy,B.; Losson,R.; Chambon,P. (EMBO Journal, 1994)