>d1d9kg2 d.19.1.1 (G:1-81) MHC class II, N-terminal domains of alpha and beta chains {Mouse (Mus musculus), I-AK} ieadhvgsygitvyqspgdigqytfefdgdelfyvdldkketvwmlpefaqlrrfepqgg lqniatgkhnleiltkrsnstp