β2<unk>  also known as<unk>  is a component of MHC class I molecules, MHC class I molecules have α1, α2, and α3 proteins which are present on all nucleated cells (excludes red blood cells). In humans, the β2<unk>  protein is encoded by the<unk>  gene.
Beta-2 microglobulin
Bence Jones protein
Alpha-1 antitrypsin
Gamma globulin
Beta-2 transferrin
Neutrophil extracellular traps
Uric acid
Acute-phase protein