The HLA-B*55:01 FPKTTNGCSQA Class I Tetramer can be used in flow cytometric analysis to characterise and quantify epitope specific CD8+T cells. The biotinylated monomer can be made into tetramers with optional labels. The Eagle Biosciences HLA-B*55:01 (FPKTTNGCSQA) Class I Tetramer is for research use only and not for diagnostic or therapeutic procedures.