PRB1 GI:41349484 proline-rich protein BstNI subfamily 1 isoform 2 preproprotein 1 mllillsval lalssaqnln edvsqeesps liagnpqgps pqggnkpqgp 50 51 ppppgkpqgp ppqggnkpqg ppppgkpqgp ppqgdksrsp rsppgkpqgp 100 101 ppqggkpqgp ppqggnkpqg ppppgkpqgp paqggsksqs arsppgkpqg 150 151 ppqqegnnpq gppppaggnp qqpqappagq pqgpprppqg grpsrppq