. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "cdn1a_mouse"^^ . "p21"^^ . "CDK-interacting protein 1"^^ . "Cdkn1a"^^ . "Melanoma differentiation-associated protein"^^ . "Waf1"^^ . "Cip1"^^ . . "Cyclin-dependent kinase inhibitor 1"^^ .