Recombinant Human Interleukin-20 (rHuIL-20, Q9NYY1, 50604) CAS#: 101-20-1816; ChemWhat Code: 1404742

Official Full Name Recombinant Human Interleukin-20 (rHuIL-20)
Squence Squence of Recombinant Human Interleukin-20
Synonyms Cytokine Zcyto10
Accession Number Q9NYY1
GeneID 50604
Summary Human Interleukin-20 (IL-20) is encoded by the IL20 gene located on the chromosome 1 and belongs to the IL-10 family that including IL-10, IL-19, IL-22, IL-24, and IL-26. It is secreted by activated keratinocytes and monocytes, and signals through two distinct cell-surface receptor complexes on keratinocytes and other epithelial cells. IL-20 has functions of regulating proliferation and differentiation of keratinocytes during inflammation, and causing cell expansion of multipotential hematopoietic progenitor cells.
Source Escherichia coli.
Molecular Weight Approximately 17.6 kDa, a single non-glycosylated polypeptide chain containing 153 amino acids.
Biological Activity Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using human IL-20Rα and human IL-20Rβ co-transfected murine BaF3 pro-B cells is less than 0.5 ng/ml, corresponding to a specific activity of > 2.0 × 106 IU/mg.
Appearance Sterile filtered white lyophilized (freeze-dried) powder.
Formulation Lyophilized from a 0.2 um filtered concentrated solution in PBS, pH 7.2, with trehalose.
Endotoxin Less than 1 EU/ug of rHuIL-20 as determined by LAL method.
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 °C. Further dilutions should be made in appropriate buffered solutions.
Stability and Storage Use a manual defrost freezer and avoid repeated freeze-thaw cycles.- 12 months from date of receipt, -20 to -70 °C as supplied.- 1 month, 2 to 8 °C under sterile conditions after reconstitution.- 3 months, -20 to -70 °C under sterile conditions after reconstitution.
SDS-PAGE SDS-PAGE of Recombinant Human Interleukin-20
Safety Data Sheet (SDS) Download Click to download
Technical Data Sheet (TDS) Download Click to download

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