>sp|Q9UBL0-6|ARP21_HUMAN Isoform 6 of cAMP-regulated phosphoprotein 21 OS=Homo sapiens OX=9606 GN=ARPP21 MSEQGDLNQAIAEEGGTEQETATPENGIVKSESLDEEEKLELQRRLEAQNQERRKSKSGA GKGKLTRSLAVCEESSARPGGESLQDQVYPLAIIINCMNGIHLCVHDS