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Major histocompatibility complex (MHC) class II molecules are cell surface heterodimeric glycoproteins consisting of one alpha and one beta polypeptide chain of similar size. These molecules play a(More)
Activation of CD4+ T cells by antigenic peptide involves the interaction of major histocompatibility complex (MHC) class II-peptide complexes on the surface of antigen-presenting cells (APCs) with(More)