>sp|P86481|PR20B_HUMAN Proline-rich protein 20B OS=Homo sapiens OX=9606 GN=PRR20B PE=3 SV=1 MEEPRPSKRLRSMAPNQASGGPPPEPGCCVADPEGSVEADGPAQPAQPAKPIAYVKPFRR QPPARPESPPPAERGRRRGGSRRPGRGRGRRAGPRGDAGQRQGAEGLMAPDVHIQLDHHG EPGHQGEPEITETAAFSLSETGPPPGTVQEGPGPDVAQPELGFQEPPAAPGPQAVDWQPV LTLYPCIGFRALGDSAVLQVIQTPQGTYVQGVPVFLTDIAY