>tr|Q564P6|Q564P6_MOUSE p21 OS=Mus musculus GN=Cdkn1a MSNPGDVRPVPHRSKVCRCLFGPVDSEQLRRDCDALMAGCLQEARERWNFDFVTETPLEG NFVWERVRSLGLPKVYLSPGSRSRDDLGGDKRPSTSSALLQGPAPEDHVALSLSCTLVSE RPEDSPGGPGTSQGRKRRQTSLTDFYHSKRRLVFCKRKP