>5YXK_1|Chains A, B, C, D|T-lymphocyte activation antigen CD86|Homo sapiens (9606) SMLKIQAYFNETADLPCQFANSQNQSLSELVVFWQDQENLVLNEVYLGKEKFDSVHSKYMGRTSFDSDSWTLRLHNLQIKDKGLYQCIIHHKKPTGMIRIHQMNSELSVLA