>tr|A0A2I4Q0F7|A0A2I4Q0F7_HUMAN MHC class II antigen (Fragment) OS=Homo sapiens OX=9606 GN=HLA-DRB1 PE=4 SV=1 RFLEYSTSECHFFNGTERVRFLDRYFYNQEEYVRFDSDVGEFRAVTELGRPDEEYWNSQK DFLEDRRAAVDTYCRHNYGVVESFTGQRR