>d1d5xb2 d.19.1.1 (B:1-92) Class II MHC beta chain, N-terminal domain {Human (Homo sapiens), HLA-DR4 [TaxId: 9606]} gdtrprfleqvkhechffngtervrfldryfyhqeeyvrfdsdvgeyravtelgrpdaey wnsqkdlleqkraavdtycrhnygvgesftvq