HLA-B5

B*5101-β2M with bound peptide 1e28​
major histocompatibility complex (human), class I, B51
Split antigens		HLA-B51, HLA-B52

HLA-B5 (B5) is an HLA-B serotype. B5 is a broad antigen serotype that recognizes the B51 and B52 split antigen serotypes.^[1]