>tr|D1MYB6|D1MYB6_HUMAN MHC Class II antigen (Fragment) OS=Homo sapiens OX=9606 GN=HLA-DRB4 PE=4 SV=1 RFLEQAKCECHFLNGTERVWNLIRYIYNQEEYARYNSDLGEYQAVTELGRPDAEYWNSQK DLLERRRAEVDTYCRYNYGVVKSFTVQRR