>sp|P86481|PR20B_HUMAN Proline-rich protein 20B OS=Homo sapiens GN=PRR20B MEEPRPSKRLRSMAPNQASGGPPPEPGCCVADPEGSVEADGPAQPAQPAKPIAYVKPFRR QPPARPESPPPAERGRRRGGSRRPGRGRGRRAGPRGDAGQRQGAEGLMAPDVHIQLDHHG EPGHQGEPEITETAAFSLSETGPPPGTVQEGPGPDVAQPELGFQEPPAAPGPQAVDWQPV LTLYPCIGFRALGDSAVLQVIQTPQGTYVQGVPVFLTDIAY