>d1r5ib2 d.19.1.1 (B:1-92) Class II MHC beta chain, N-terminal domain {Human (Homo sapiens), HLA-DR1} gdtrprflwqlkfechffngtervrllerciynqeesvrfdsdvgeyravtelgrpdaey wnsqkdlleqrraavdtycrhnygvgesftvq