ActoFactor™ Human Interleukin 21

Specification

Cat.No.

CSC-CTK0268G

Description

IL-21 is a cytokine that plays an important role in humoral and adaptive immune responses. It stimulates the proliferation of NK cells and multiple T cell subsets, especially cytotoxic T cells.

Source

E coli.

Sequence

QGQDRHMIRM RQLIDIVDQL KNYVNDLVPE FLPAPEDVET NCEWSAFSCF QKAQLKSANT GNNERIINVS IKKLKRKPPS TNAGRRQKHR LTCPSCDSYE KKPPKEFLER FKSLLQKMIH QHLSSRTHGS EDS

Molecular Mass

Approximately 15.4 kDa, a single non-glycosylated polypeptide chain containing 133 amino acids

Size

5μg, 100μg, 500μg, 1000μg

Purity

> 98 %

Activity

Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using human N1186 T cells is less than 20 ng/ml, corresponding to a specific activity of > 5.0 × 104 IU/mg

Endotoxin Level

<0.01EU/μg

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.

Usage

This GMP product can be for research use or further manufacturing use.(NOT FOR HUMAN USE)

Storage

Store lyophilized cytokine at -20°C to -80°C.
Avoid repeated freeze/thaw cycles.

Shipping

Dry ice

Citation Guidance

If you use this products in your scientific publication, it should be cited in the publication as: Creative Bioarray cat no. If your paper has been published, please click here to submit the PubMed ID of your paper to get a coupon.

For research use only. Not for any other purpose.

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