Recombinant Equine Interleukin-2 Cys141Ser ( Equine IL-2 Cys141Ser)_C230278

Description

Interleukin 2 was initially identified as a T cell growth factor that is produced by T cells following activation by mitogens or antigens. IL-2 has since been found to also stimulate the growth and differentiation of B cells, natural killer (NK) cells, lymphocyte activated killer (LAK) cells, monocytes/macrophages and oligodendrocytes. The biological activity of IL-2 is mediated by the binding of IL-2 to cell surface receptor complexes. The functional high-affinity receptor that mediate IL‑2 signals is composed of three polypeptide chains, the IL-2 receptor alpha, beta and gamma subunits. IL-2
also signals via the intermediate affinity receptor complex of the beta and gamma subunits. In T cells, the beta and gamma subunits are shared with the IL-15 receptor complex. The gamma subunit of the IL-2 receptor complex has also been shown to be a subunit of the receptor complexes of IL-4, IL-7, IL-9 and IL-21. At the amino acid sequence level, equine IL-2 shares 72%, 70%, 56% and 54% sequence similarities with human, porcine, rat and mouse IL-2, respectively. It has been reported that equine IL-2 augmented proliferation in equine peripheral blood mononuclear cells, but has no effect on mouse CTLL-2 cells.

Product Properties

Synonyms

T cell growth factor; T-cell growth factor; TCGF
Accession
P37997
GeneID
100034204
Source
E.coli-derived Equine IL-2 Cys141Ser, Ala21-Thr149(C121S).
Molecular Weight

Approximately 14.9 kDa.
AA Sequence
APTSSSKRET QQQLKQLQMD LKLLLEGVNN NKNPKLSKML TFKINMPKKA TELKHLQCLE EELKPLEEML KNFLSKDIKE LMSNINVTVL GLKGSETRFT CEYDDETGTI VEFLNKWITF SQSIFSTMT
Tag
None
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Purity
> 97% by SDS-PAGE and HPLC analyses.
Biological Activity
The ED50 as determined by a cell proliferation assay using murine CTLL-2 cells is less than 1.0 μg/mL, corresponding to a specific activity of > 1000 IU/mg. Fully biologically active when compared to standard.
Endotoxin
< 0.1 EU per 1μg of the protein by the LAL method
Formulation
Lyophilized from a 0.2 µm filtered concentrated solution in PBS, pH 6.5
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.


Shipping and Storage

The products are shipped with ice pack and can be stored at -20℃ to -80℃ for 1 year.
Recommend to aliquot the protein into smaller quantities when first used and avoid repeated freeze-thaw cycles.

Cautions

1. Avoid repeated freeze-thaw cycles.
2. For your safety and health, please wear lab coats and disposable gloves for operation.
3. For research use only!

Recombinant Equine Interleukin-2 Cys141Ser ( Equine IL-2 Cys141Ser)_C230278

Product form

SKU: C230278E

$155.00

      • Tell a unique detail about this product

      Description

      Interleukin 2 was initially identified as a T cell growth factor that is produced by T cells following activation by mitogens or antigens. IL-2 has since been found to also stimulate the growth and differentiation of B cells, natural killer (NK) cells, lymphocyte activated killer (LAK) cells, monocytes/macrophages and oligodendrocytes. The biological activity of IL-2 is mediated by the binding of IL-2 to cell surface receptor complexes. The functional high-affinity receptor that mediate IL‑2 signals is composed of three polypeptide chains, the IL-2 receptor alpha, beta and gamma subunits. IL-2
      also signals via the intermediate affinity receptor complex of the beta and gamma subunits. In T cells, the beta and gamma subunits are shared with the IL-15 receptor complex. The gamma subunit of the IL-2 receptor complex has also been shown to be a subunit of the receptor complexes of IL-4, IL-7, IL-9 and IL-21. At the amino acid sequence level, equine IL-2 shares 72%, 70%, 56% and 54% sequence similarities with human, porcine, rat and mouse IL-2, respectively. It has been reported that equine IL-2 augmented proliferation in equine peripheral blood mononuclear cells, but has no effect on mouse CTLL-2 cells.

      Product Properties

      Synonyms

      T cell growth factor; T-cell growth factor; TCGF
      Accession
      P37997
      GeneID
      100034204
      Source
      E.coli-derived Equine IL-2 Cys141Ser, Ala21-Thr149(C121S).
      Molecular Weight

      Approximately 14.9 kDa.
      AA Sequence
      APTSSSKRET QQQLKQLQMD LKLLLEGVNN NKNPKLSKML TFKINMPKKA TELKHLQCLE EELKPLEEML KNFLSKDIKE LMSNINVTVL GLKGSETRFT CEYDDETGTI VEFLNKWITF SQSIFSTMT
      Tag
      None
      Physical Appearance
      Sterile Filtered White lyophilized (freeze-dried) powder.
      Purity
      > 97% by SDS-PAGE and HPLC analyses.
      Biological Activity
      The ED50 as determined by a cell proliferation assay using murine CTLL-2 cells is less than 1.0 μg/mL, corresponding to a specific activity of > 1000 IU/mg. Fully biologically active when compared to standard.
      Endotoxin
      < 0.1 EU per 1μg of the protein by the LAL method
      Formulation
      Lyophilized from a 0.2 µm filtered concentrated solution in PBS, pH 6.5
      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.


      Shipping and Storage

      The products are shipped with ice pack and can be stored at -20℃ to -80℃ for 1 year.
      Recommend to aliquot the protein into smaller quantities when first used and avoid repeated freeze-thaw cycles.

      Cautions

      1. Avoid repeated freeze-thaw cycles.
      2. For your safety and health, please wear lab coats and disposable gloves for operation.
      3. For research use only!

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