Abstract

Three homozygous cell lines with different cellular HLA-D specificities associated with HLA-DR2 including Dw2, Dw12, DB9 displayed structural variation in the products of the DQ locus. Nonglycosylated precursor polypeptides of DQ molecules immunoprecipitated by two-dimensional polyacrylamide gel electrophoresis (2-D gel) revealed distinct differences in the patterns of DQα and DQß chains.

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