>tr|I6NN61|I6NN61_HUMAN MHC class II antigen (Fragment) OS=Homo sapiens OX=9606 GN=HLA-DRB1 PE=4 SV=1 RFLWQLKFECHFFNGTERVRLLERCIYNQEESVRFDSDVGEYPAVTELGRPDAEYWNSQK DLLEQRRAAVDTYCRHNYGVGESFTVQRR