PRR3 GI:117320535 proline-rich protein 3 isoform a 1 mpkrkkqnhh qpptqqqppl pereetgdee dgspigppsl lgpppmangk 50 51 pgdpksalhr gppgsrgpli ppllslpppp wgrgpirrgl gprsspygrg 100 101 wwgvnaeppf pgpghggptr gsfhkeqrnp rrlkswslik ntcppkddpq 150 151 vmedksdrpv crhfakkghc ryedlcafyh pgvngppl