>gi|31377806 polymeric immunoglobulin receptor precursor [Homo sapiens] MLLFVLTCLLAVFPAISTKSPIFGPEEVNSVEGNSVSITCYYPPTSVNRH TRKYWCRQGARGGCITLISSEGYVSSKYAGRANLTNFPENGTFVVNIAQL SQDDSGRYKCGLGINSRGLSFDVSLEVSQGPGLLNDTKVYTVDLGRTVTI NCPFKTENAQKRKSLYKQIGLYPVLVIDSSGYVNPNYTGRIRLDIQGTGQ LLFSVVINQLRLSDAGQYLCQAGDDSNSNKKNADLQVLKPEPELVYEDLR GSVTFHCALGPEVANVAKFLCRQSSGENCDVVVNTLGKRAPAFEGRILLN PQDKDGSFSVVITGLRKEDAGRYLCGAHSDGQLQEGSPIQAWQLFVNEES TIPRSPTVVKGVAGGSVAVLCPYNRKESKSIKYWCLWEGAQNGRCPLLVD SEGWVKAQYEGRLSLLEEPGNGTFTVILNQLTSRDAGFYWCLTNGDTLWR TTVEIKIIEGEPNLKVPGNVTAVLGETLKVPCHFPCKFSSYEKYWCKWNN TGCQALPSQDEGPSKAFVNCDENSRLVSLTLNLVTRADEGWYWCGVKQGH FYGETAAVYVAVEERKAAGSRDVSLAKADAAPDEKVLDSGFREIENKAIQ DPRLFAEEKAVADTRDQADGSRASVDSGSSEEQGGSSRALVSTLVPLGLV LAVGAVAVGVARARHRKNVDRVSIRSYRTDISMSDFENSREFGANDNMGA SSITQETSLGGKEEFVATTESTTETKEPKKAKRSSKEEAEMAYKDFLLQS STVAAEAQDGPQEA