>1XED_1|Chains A, B, C, D, E, F|Polymeric-immunoglobulin receptor|Homo sapiens (9606)
KSPIFGPEEVNSVEGNSVSITCYYPPTSVNRHTRKYWCRQGARGGCITLISSEGYVSSKYAGRANLTNFPENGTFVVNIAQLSQDDSGRYKCGLGINSRGLSFDVSLEVLEHHHHHH