>tr|G8GB37|G8GB37_HUMAN MHC class II antigen (Fragment) OS=Homo sapiens OX=9606 GN=HLA-DRB1 PE=4 SV=1 RFLEYSTGECYFFNGTERVRFLDRYFYNQEEYVRFDSDVGEYRAVTELGRPSAEYWNSQK DILEDRRALVDTYCRHNYGVGESFTVQRR