HLA-DM Interactions with Intermediates in HLA-DR Maturation and a Role for HLA-DM in Stabilizing Empty HLA-DR Molecules


Major histocompatibility complex (MHC) class II-positive cell lines which lack HLA-DM expression accumulate class II molecules associated with residual invariant (I) chain fragments (class II-associated invariant chain peptides [CLIP]). In vitro, HLA-DM catalyzes CLIP dissociation from class II-CLIP complexes, promoting binding of antigenic peptides. Here… (More)

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