>d1sebe2 d.19.1.1 (E:1-81) MHC class II, N-terminal domains of alpha and beta chains {Human (Homo sapiens), HLA-DR1} ikeehviiqaefylnpdqsgefmfdfdgdeifhvdmakketvwrleefgrfasfeaqgal aniavdkanleimtkrsnytp