>31XJ_2|Chain B[auth H]|IgA2(m1) Immunoglobulin Heavy Alpha Chain domains 1 and 2 including the hinge region (Q1-P226).|Homo sapiens (9606)
QVQLVQSGAEVRNPGASVKVSCKASGYTFTSYAIHWVRQAPGHRLEWVGRINTDNGNTKYSQKFHGRVALSRDTSASTTYMDLSSLNSEDTAVYYCARAFYYSSGVMFDSWGQGALVTVSSASPTSPKVFPLSLDSTPQDGNVVVACLVQGFFPQEPLSVTWSESGQNVTARNFPPSQDASGDLYTTSSQLTLPATQCPDGKSVTCHVKHYTNPSQDVTVPCPVPPPPPAIAHHHHHH
>31XJ_3|Chain C[auth L]|IgA Immunoglobulin Lambda Light Chain domains 1 and 2 (S2-T214)|Homo sapiens (9606)
QSALTQPPSVSGAPGQRVSISCTGGSSNFGAGYDVHWYQQLPATAPKLLIYGNNNRPSGVPDRFSGSKSGTSASLAITGLQAEDEGDYFCQSFDTSLSGWIFGGGTKLTVLGQPKAAPSVTLFPPSCEELQANKATLVCLISDFYPGAVTVAWKADSSPVKAGVETTTPSKQSNNKYAASSYLSLTPEQWKSHRSYSCQVTHEGSTVEKTVAPTESS
>31XJ_1|Chain A[auth E]|IgA protease|Thomasclavelia ramosa (1547)
MGSTEQSIQLTLGPWYSNDGKYSNPTIPVYTIQKTRSDTENMVVVVCGEGYTKSQQGKFINDVKRLWQDAMKYEPYRSYADRFNVYALSTASESTFDNGGSTFFDVIVCKYNSPVISNNLHGSQWKNHIFERCIGPEFIEKIHDAHIKKKSDPNTIPSGSEYEPYYYVHDYIAQFAMVVNTKSDFGGAYNNREYGFHYFISPSDSYRASKTFAHAFGHGLLGLGDEYSNGYLLDDKELKSLNLSSVEDPEKIKWRQLLGFRNTYTSRNAYGSKMLVSSYECIMRDTNYQFCEVCRLQGFKRMSQLVKDVDLYVATPEVKEYTGAYSKPSDFTDLETSSYYNYTYNRNDRLLSGNSKSRFNTNMNGKKIELRTVIQNISDKNARQLKFKMWIKHSDGSVATDSSGNPLQTVQTFDIPVWNDKANFWPLGALDHIKSDFNSGLKSCSLIYQIPSDAQLKSGDTVAFQVLDENGNVLADDNTETQRYTTVSIQYKFEDGSEIPNTAGGTFTVPYGTKLDLTPAKTLYDYEFIKVDGLNKPIVSDGTVVTYYYKNLEHHHHHH