NCIt synonyms : HLA Class II Histocompatibility Antigen, DRB4 Beta Chain;
NCIt definition : HLA-DR53 antigen is a set of polymorphic glycoproteins encoded by the human HLA-DRB4
gene. This protein is the beta subunit of the major histocompatibility complex, class
II DR protein, which is expressed primarily in lymphoid cells and functions to present
antigens for CD4 T lymphocytes.;