protein

Recombinant Human IL-21 GMP Protein, CF

BT-021-GMP-025

25 ug (also 1 mg)

809 USD

BT-021-GMP-025

Recombinant Human IL-21 GMP Protein, CF

25 ug (also 1 mg)

The Recombinant Human IL-21 GMP Protein, CF from R&D Systems is derived from E. coli. The Recombinant Human IL-21 GMP Protein, CF has been validated for the following applications: Bioactivity.

IL-21

Proteins and Enzymes

Lyophilized from a 0.2 ╡m filtered solution in PBS with Trehalose.

Unconjugated

95%, by SDS-PAGE with quantitative densitometry by Coomassie« Blue Staining. The molecular weight by mass spectrometry is 15396 Da ▒ 50 Da

Human

15-17 kDa, under reducing conditions.

15 kDa

Measured in a cell proliferation assay using B9 mouse hybridoma cells. The ED50 for this effect is 5.00-50.0 ng/mL. The specific activity of recombinant human IL-21 is 1.00 x 106 units/mg, which is calibrated against an internal reference standard for human IL-21.

<0.10 EU per 1 ╡g of the protein by the LAL method.

Q9HBE4.3

Bioactivity

E. coli -derived human IL-21 protein Gln32-Ser162 with a N-terminal Met Produced using non-animal reagents in an animal-free laboratory. Manufactured and tested under cGMP guidelines.

E. coli

809 USD

CVID11, IL21, IL-21Za11interleukin-21, interleukin 21, interleukin-21 isoform, Za11

Use a manual defrost freezer and avoid repeated freeze-thaw cycles. A minimum of 12 months when stored at <= -20 ░C as supplied. Refer to lot specific COA for the Use by Date. 1 month, 2 to 8 ░C under sterile conditions after reconstitution. 3 months, <= -20 ░C under sterile conditions after reconstitution.