Reactivity | HuSpecies Glossary |
Applications | PAGE, Bioactivity |
Format | Animal Free |
Concentration | LYOPH |
Description | An un-tagged bioactive recombinant protein corresponding to Human IL-21 Source: E. coli Amino Acid Sequence: MQDRHMIRMR QLIDIVDQLK NYVNDLVPEF LPAPEDVETN CEWSAFSCFQ KAQLKSANTG NNERIINVSI KKLKRKPPST NAGRRQKHRL TCPSCDSYEK KPPKEFLERF KSLLQKMIHQ HLSSRTHGSE DS Produced with no materials of animal or human origin using ANIMAL-FREE purification processes. Production and Purification
Quality Assurance
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Specificity | IL-21 is a monomer, 15.4 kDa (132 aa) |
Preparation Method |
Protein is derived from genetically modified E. coli. |
Details of Functionality | B9 cell proliferation, >2.0 x 10^4 units/mg (ED50 acceptance criteria are <50 ng/mL). |
Source | E. coli |
Protein/Peptide Type | Recombinant Protein |
Gene | IL21 |
Purity | >95%, by SDS-PAGE |
Endotoxin Note | Acceptance criteria for endotoxin levels are <1 EUs/ug protein (determined by Kinetic LAL Method). |
Dilutions |
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Theoretical MW | 15.4 kDa. Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors. |
Storage | Store at -20 to -70C as supplied. After reconstitution, store at 2 to 8C for 1 month and at -20 to -70C for long term storage. Avoid repeated freeze-thaw cycles. |
Buffer | Lyophilized from a sterile (0.2 micron) filtered aqueous solution containing 10 mM sodium phosphate, pH 7.5 |
Preservative | No Preservative |
Concentration | LYOPH |
Purity | >95%, by SDS-PAGE |
Reconstitution Instructions | Sterile water at 0.1 mg/mL |
Diseases for IL-21 Recombinant Protein (NBP2-76201)Discover more about diseases related to IL-21 Recombinant Protein (NBP2-76201).
| Pathways for IL-21 Recombinant Protein (NBP2-76201)View related products by pathway.
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Perforin Antibodies Reveal Links to Apoptosis and Immune Response Perforin, also known as the pore-forming protein, pfp, is a 70 kD cytolytic protein expressed in the cytoplasmic granules of cytotoxic T lymphocytes (CTLs) and natural killer (NK) cells. It is one of the major effector molecules used by CTL and NK cel... Read full blog post. |
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Gene Symbol | IL21 |