>tr|A0A0A0WC94|A0A0A0WC94_HUMAN MHC class II antigen (Fragment) OS=Homo sapiens OX=9606 GN=HLA-DRB1 PE=4 SV=1 RFLEYSTSECHFFNGTERVRFLDRYFYNQEEFVRFDSDVGEYRAVTELGRPDEEYWNSQK DFLEDRRAAVDTYCRHNYGVGESFTVQRRVHPKVTVYPSKTQPLQHHNLLVCSVSGFYPG SIEVRWFRNGQEEKTGVVSTGLIHNGDWTFQTLVMLETVPRSGEVYTCQVEHPSVTSPLT VEWRARSESAQSKMLSGVGGFVLGLLFLGAGLFIYFRNQKGHSGLQPRGFLS