| Description : |
CCL17 also known as thymus and activation-related chemokine (TARC) is encoded by the CCL17 gene. It is expressed by thymus cells constitutively and phytohemagglutinin-stimulated peripheral blood mononuclear cells transiently. CCL17 signals through the chemokine receptors CCR4 and CCR8 and displays chemotactic activity for T lymphocytes and some other leukocytes. It plays an important role in skin diseases such as atopic dermatitis, bullous pemphigoid and mycosis fungoides. CCL17 has approximately 24 – 29 % amino acid sequence identity with RANTES, MIP-1α, MIP-1β, MCP-1, MCP-2, MCP-3 and I-309. |
| Source : |
E.coli |
| Species : |
Rhesus |
| Form : |
Lyophilized from a 0.2 μm filtered concentrated solution in 20 mM PB, 300 mM NaCl, pH 7.4, with 0.02 % Tween-20. |
| Bio-activity : |
Fully biologically active when compared to standard. The biological activity determined by a chemotaxis bioassay using human T-lymphocytes is in a concentration range of 1.0-10 ng/ml. |
| Molecular Mass : |
Approximately 8.1 kDa, a single non-glycosylated polypeptide chain containing 71 amino acids. |
| Protein length : |
71 |
| AA Sequence : |
ARGTNVGRECCLKYFKGAIPLRKLK TWYQTSEDCSRDAIVFVTVQNKAIC SDPNDKKVKKALKYLQSLERS |
| Endotoxin : |
Less than 0.1 EU/μg of rRhTARC/CCL17 as determined by LAL method. |
| Purity : |
>97% by SDS-PAGE and HPLC analyses. |
| Storage : |
Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70 centigrade as supplied. 1 month, 2 to 8 centigrade under sterile conditions after reconstitution. 3 months, -20 to -70 centigrade under sterile conditions after reconstitution. |
| Reconstitution : |
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 centigrade. Further dilutions should be made in appropriate buffered solutions. |
