>d1fned2 d.19.1.1 (D:4-92) MHC class II, N-terminal domains of alpha and beta chains {Mouse (Mus musculus), I-EK} rpwfleycksechfyngtqrvrllvryfynleenlrfdsdvgefravtelgrpdaenwns qpefleqkraevdtvcrhnyeifdnflvp