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MIP-3β/CCL19

     
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Product Information
Primary Accession O70460
Species Mouse
Sequence Gly26-Ser108
Purity > 97% as analyzed by SDS-PAGE
> 97% as analyzed by HPLC
Endotoxin Level < 1 EU/ µg of protein by LAL method
Biological Activity Fully biologically active when compared to standard. The biological activity determined by a chemotaxis bioassay using human mature dendritic cells is in a concentration range of 10.0-100.0 ng/ml.
Expression System E. coli
Theoretical Molecular Weight 9.2 kDa
Formulation Lyophilized from a 0.2 µm filtered solution in PBS, pH 7.4.
Reconstitution It is recommended that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute the lyophilized powder in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/ml.
Storage & Stability Upon receiving, this product remains stable for up to 6 months at -70°C or -20°C. Upon reconstitution, the product should be stable for up to 1 week at 4°C or up to 3 months at -20°C. Avoid repeated freeze-thaw cycles.
Additional Information
Gene ID 24047
Other Names C-C motif chemokine 19, Epstein-Barr virus-induced molecule 1 ligand chemokine, EBI1 ligand chemokine, ELC, Small-inducible cytokine A19, Ccl19, Elc, Scya19
Target Background 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). It binds specifically to the chemokine receptor CCR7 / EBI1 / BLR2. CCL19 is expressed abundantly in thymus, lymph nodes and in activated bone marrow stromal cells. It attracts certain cells of the immune system, including dendritic cells and antigen-engaged B cells, CCR7+ central-memory T-Cells.
Protein Information
Name Ccl19
Synonyms Elc, Scya19
Function Strongly chemotactic for naive (L-selectinhi) CD4 T-cells and for CD8 T-cells and weakly attractive for resting B-cells and memory (L-selectinlo) CD4 T-cells. May play a role in promoting encounters between recirculating T-cells and dendritic cells and in the migration of activated B-cells into the T-zone of secondary lymphoid tissues. Binds to chemokine receptor CCR7. Binds to atypical chemokine receptor ACKR4 and mediates the recruitment of beta-arrestin (ARRB1/2) to ACKR4.
Cellular Location Secreted.
Tissue Location Highly expressed by dendritic cells in mesenteric and peripheral lymph nodes. Significant expression in spleen (T cell zone or periarteriolar lymphatic sheath) and Peyer patches. Low expression in thymus
Research Areas
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Cat# PVGS1151
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