>31YN_3|Chain C[auth L]|IgA2 Lambda Light Chain domains 1 and 2 (S2-T214) with mutations S127C C216S|Homo sapiens (9606) QSALTQPPSVSGAPGQRVSISCTGGSSNFGAGYDVHWYQQLPATAPKLLIYGNNNRPSGVPDRFSGSKSGTSASLAITGLQAEDEGDYFCQSFDTSLSGWIFGGGTKLTVLGQPKAAPSVTLFPPSCEELQANKATLVCLISDFYPGAVTVAWKADSSPVKAGVETTTPSKQSNNKYAASSYLSLTPEQWKSHRSYSCQVTHEGSTVEKTVAPTESS >31YN_2|Chain B[auth H]|IgA2(m1) Immunoglobulin Heavy Alpha Chain domains 1 and 2 including the hinge region (V2-P225).|Homo sapiens (9606) QVQLVQSGAEVRNPGASVKVSCKASGYTFTSYAIHWVRQAPGHRLEWVGRINTDNGNTKYSQKFHGRVALSRDTSASTTYMDLSSLNSEDTAVYYCARAFYYSSGVMFDSWGQGALVTVSSASPTSPKVFPLSLDSTPQDGNVVVACLVQGFFPQEPLSVTWSESGQNVTARNFPPSQDASGDLYTTSSQLTLPATQCPDGKSVTCHVKHYTNPSQDVTVPCPVPPPPPAIAHHHHHH >31YN_1|Chain A[auth E]|IgA protease|Thomasclavelia ramosa (1547) MGSTEQSIQLTLGPWYSNDGKYSNPTIPVYTIQKTRSDTENMVVVVCGEGYTKSQQGKFINDVKRLWQDAMKYEPYRSYADRFNVYALSTASESTFDNGGSTFFDVIVCKYNSPVISNNLHGSQWKNHIFERCIGPEFIEKIHDAHIKKKSDPNTIPSGSEYEPYYYVHDYIAQFAMVVNTKSDFGGAYNNREYGFHYFISPSDSYRASKTFAHAFGHGLLGLGDEYSNGYLLDDKELKSLNLSSVEDPEKIKWRQLLGFRNTYTSRNAYGSKMLVSSYECIMRDTNYQFCEVCRLQGFKRMSQLVKDVDLYVATPEVKEYTGAYSKPSDFTDLETSSYYNYTYNRNDRLLSGNSKSRFNTNMNGKKIELRTVIQNISDKNARQLKFKMWIKHSDGSVATDSSGNPLQTVQTFDIPVWNDKANFWPLGALDHIKSDFNSGLKSCSLIYQIPSDAQLKSGDTVAFQVLDENGNVLADDNTETQRYTTVSIQYKFEDGSEIPNTAGGTFTVPYGTKLDLTPAKTLYDYEFIKVDGLNKPIVSDGTVVTYYYKNLEHHHHHH