The HP-3G10 monoclonal antibody specifically recognizes human CD161 which is also known as Natural killer cell surface protein P1A (NKR-P1A or NKRP1A) or C-type lectin domain family 5 member B (CLEC5B). CD161 is expressed on the cell surface as an 80 kDa disulfide-linked homodimeric type II transmembrane glycoprotein. It is encoded by KLRB1 (Killer cell lectin-like receptor subfamily B member 1) which belongs to the Ca2+-dependent C-type lectin superfamily. CD161 is expressed on NK cells and on subsets of CD4+ and CD8+ αβ T cells, NKT cells, γδ T cells, CD3+ thymocytes, and fetal liver cells. CD161 is preferentially expressed on memory/effector T cells. CD161 can reportedly inhibit NK cell-mediated cytotoxicity and IFN-γ production. Lectin-like transcript 1 (LLT-1), encoded by CLEC2D (C-type lectin domain family 2 member D), has been described as a ligand for CD161. LLT-1 is expressed on some activated dendritic cells (DC) and B cells.
The antibody was conjugated to an oligonucleotide that contains an antibody clone-specific barcode (ABC) flanked by a poly-A tail on the 3' end and a PCR handle (PCR primer binding site) on the 5' end. The ABC for this antibody was designed to be used with other BD AbSeq oligonucleotides conjugated to other antibodies. All AbSeq ABC sequences were selected in silico to be unique from human and mouse genomes, have low predicted secondary structure, and have high Hamming distance within the BD AbSeq portfolio, to allow for sequencing error correction and unique mapping. The poly-A tail of the oligonucleotide allows the ABC to be captured by the BD Rhapsody™ system. The 5' PCR handle allows for efficient sequencing library generation for Illumina sequencing platforms.
NOTE: The BD Rhapsody Single-Cell Analysis System must be used with the BD Rhapsody Express Instrument.