HLA complex P5 is an alias for the gene, HLA complex P5 (non-protein coding), in humans. Other names include: HLA class I histocompatibility antigen protein P5; HLA complex protein P5; Protein P5-1; 6S2650E; D6S2650E; P5-1. The encoded protein has an amino acid length of 132 and a mass of 14.1 kDa.