>4NOB_1|Chain A|Polymeric immunoglobulin receptor|Mus musculus (10090)
QDYGGSPIFGPQEVSSIEGDSVSITCYYPDTSVNRHTRKYWCRQGASGMCTTLISSNGYLSKEYSGRANLINFPENNTFVINIEQLTQDDTGSYKCGLGTSNRGLSFDVSLEVSQVPELAENLYFQ