Recombinant Rhesus Macaque Interleukin-13 (rRhIL-13, Q864V6, 574325) CAS#: 111-13-1816; ChemWhat Code: 1404692

Official Full Name Recombinant Rhesus Macaque Interleukin-13 (rRhIL-13)
Squence Squence of Recombinant Rhesus Macaque Interleukin-13
Amino Acid Sequence SPSPVPRSTA LKELIEELVN ITQNQKAPLC NGSMVWSINL TAGVYCAALE SLINVSGCSA IEKTQRMLNG FCPHKVSAGQ FSSLRVRDTK IEVAQFVKDL LVHLKKLFRE GRFN
Synonyms
Accession Number Q864V6
GeneID 574325
Summary Interleukin-13 (IL-13) is expressed by the IL13 gene and secreted by many cell types, especially T helper type 2 (Th2) cells. The high solution from of IL-13 reported to be a monomer with two internal disulfide bonds that contribute to a bundled four alpha-helix configuration. Targeted deletion of IL-13 in mice resulted in impaired Th2 cell development and indicated an important role for IL-13 in the expulsion of gastrointestinal parasites. IL-13 exerts anti-inflammatory effects on monocytes and macrophages and it inhibits the expression of inflammatory cytokines such as IL-1beta, TNF-alpha, IL-6 and IL-8. IL-13 has also been shown to enhance B cell proliferation and to induce isotype switching resulting in increased production of IgE. Mature rhesus IL-13 shares 94 %, 58 %, and 60 % amino acid sequence identity with human, mouse, and rat IL13, respectively.
Source Escherichia coli.
Molecular Weight Approximately12.6 kDa, a single non-glycosylated polypeptide chain containing 114 amino acids.
Biological Activity Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using human TF-1 cells is less than 5 ng/ml, corresponding to a specific activity of > 2.0 × 105 IU/mg.
Appearance Sterile filtered white lyophilized (freeze-dried) powder.
Formulation Lyophilized from a 0.2 um filtered concentrated solution in PBS, pH 7.4, 3% trehalose.
Endotoxin Less than 1 EU/ug of rRhIL-13 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.
References
SDS-PAGE SDS-PAGE of Recombinant Rhesus Macaque Interleukin-13
Safety Data Sheet (SDS) Download Click to download
Technical Data Sheet (TDS) Download Click to download

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