>1dlh_E mol:protein length:188 CLASS II HISTOCOMPATIBILITY ANTIGEN (HLA-DR1) (BETA CHAIN) TRPRFLWQLKFECHFFNGTERVRLLERCIYNQEESVRFDSDVGEYRAVTELGRPDAEYW NSQKDLLEQRRAAVDTYCRHNYGVGESFTVQRRVEPKVTVYPSKTQPLQHHNLLVCSVS GFYPGSIEVRWFRNGQEEKAGVVSTGLIQNGDWTFQTLVMLETVPRSGEVYTCQVEHPS VTSPLTVEWRA