Increased efficiency of folding and peptide loading of mutant MHC class I molecules.

Abstract excerpt

Class I molecules, encoded by diverse alleles at several loci of the major histocompatibility complex (MHC) are assembled in the endoplasmic reticulum (ER) from heavy chain, beta2 microglobulin and peptide in association with accessory proteins of the peptide loading complex. We show here, that mutations in the alpha2 domain (Q115A; D122A) of the human class I allele HLA-A2 cause a lack of apparent association...

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