>sp|Q3TDD9-2|PPR21_MOUSE Protein phosphatase 1 regulatory subunit 21 OS=Mus musculus GN=Ppp1r21 MLQVGMLTRTPDSEAPDVESREDLIKSHYMARIAELTSQLQLADSKSVHFYAECRALSKR LALAEKSKETLTEEMRLASQNISRLQDELMTTKRSYEDQLSMMSDHLCSMNETLSKQREE IDTLKMASKGNSKKTRNR