Summary: Creative Peptides offers HLA-A_02_01 CEA tetramer-YLSGANLNL-APC labeled which can be used for direct detection of antigen specific T cells. Visit https://www.creative-peptides.com/product/hla-a-cea-tetramer-ylsganlnl-apc-labeled-item-cpm-1-0106-33946.html for more information.