Chemokine (C-C motif) ligand 19 (CCL19) is a small cytokine belonging to the CC chemokine family that is also known as EBI1 ligand chemokine (ELC) and macrophage inflammatory protein-3-beta (MIP-3-beta). CCL19 is expressed abundantly in thymus and lymph nodes, with moderate levels in trachea and colon and low levels in stomach, small intestine, lung, kidney and spleen. The gene for CCL19 is located on human chromosome 9. This chemokine elicits its effects on its target cells by binding to the chemokine receptor chemokine receptor CCR7. It attracts certain cells of the immune system, including dendritic cells and antigen-engaged B cells.
CCL19 Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 93 amino acids (22098 a.a.) and having a molecular mass of 10.4 kDa. The CCL19 is fused to a 16 amino acid T7 tag at N-Terminus and purified by proprietary chromatographic techniques.
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