CD279,hPD-1,hPD-l,hSLE1,PD1,PD-1,programmed cell death 1 protein,programmed cell death protein 1,protein PD-1,SLEB2,systemic lupus erythematosus susceptibility 2.
Inhibitory cell surface receptor involved in the regulation of T-cell function during immunity and tolerance. Upon ligand binding, inhibits T-cell effector functions in an antigen-specific manner. Possible cell death inducer, in association with other factors.