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The assembly assay for peptide binding to class I major histo-compatibility complex (MHC) molecules is based on the ability of peptides to stabilize MHC class I molecules synthesized by transporter associated with antigen processing (TAP)-deficient cell. The TAP-deficient cell line T2 has previously been used in the assembly assay to analyze peptide binding to HLA-A*0201 and -B*5101. In this study, we have extended this technique to assay for peptides binding to endogenous HLA-Cw*0102 molecules. We have analyzed the peptide binding of 20 peptides with primary anchor motifs for HLA-Cw*0102. One third of the peptides analyzed bound with high affinity, half of the peptides examined did not bind, whereas the remaining peptides displayed intermediate binding activity. Interest in HLA-C molecules has increased significantly in recent years, since it has been shown that HLA-C molecules both can present peptides to cytotoxic T lymphocytes (CTL) and in addition are able to inhibit natural killer (NK)-mediated lysis.

Original publication

DOI

10.1034/j.1399-0039.1999.540210.x

Type

Journal article

Journal

Tissue Antigens

Publication Date

08/09/1999

Volume

54

Pages

185 - 190