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Gibco
PeproGMP® Human IL-21 Recombinant Protein, PeproTech®
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FIGURE: 1 / 2
PeproGMP® Human IL-21 Protein (GMP200-21-50UG) in Bioactivity
Cell proliferation assay analysis of PeproGMP® Human IL-21 Recombinant Protein, PeproTech (Product # GMP200-21-50UG) compared to Human IL-21 Recombinant Protein, PeproTech (Product # 200-21-1MG), demonstrating comparable bioactivity across product grades.
Product Details
GMP200-21-50UG
Applications
Tested Dilution
Publications
Product Specifications
Species
Human
Expression System
E. coli
Amino acid sequence
MQDRHMIRMR QLIDIVDQLK NYVNDLVPEF LPAPEDVETN CEWSAFSCFQ KAQLKSANTG NNERIINVSI KKLKRKPPST NAGRRQKHRL TCPSCDSYEK KPPKEFLERF KSLLQKMIHQ HLSSRTHGSE DS
Molecular weight
15.4 kDa
Class
Recombinant
Type
Protein
Purity
≥ 98% by SDS-PAGE gel and HPLC analyses.
Endotoxin concentration
≤0.1 EU/µg
Activity
Determined by the proliferation of ANBL-6 cells.
Conjugate
Form
Lyophilized
Purification
purified
Contains
no preservative
Storage conditions
-20°C or -80°C if preferred
Shipping conditions
Ambient
Product Specific Information
PeproTech Recombinant Human IL-21 is a 15.4 kDa protein consisting of 132 amino acid residues.
Reconstitute using sterile water (i.e., WFI) to a concentration of 0.1-1.0 mg/ml.
Additional product information, specifications, handling and reconstitution information are provided on the Certificate of Analysis.
All PeproGMP® products are manufactured using animal-derived component free materials.
Product Description/Intended Use: PeproTech GMP recombinant proteins are manufactured for use as ancillary materials by applying applicable principles of GMP and quality control requirements from USP (United States Pharmacopeia) Chapter <1043> Ancillary Materials for Cell, Gene, and Tissue-Engineered Products.
Target Information
IL-21 is a 17 kDa immunomodulatory cytokine produced mainly by Natural Killer Cells (NKT), T helper (Th) 17 and T follicular helper (TFH) cells. In TFH cells, IL-21 expression leads to autocrine signaling through the IL-21 receptor (IL-21R) and STAT3, which leads to additional transcriptional activation by Bcl6. As with IFN gamma for Th1 and IL-4 for Th2 cells, IL-21 is critical for TFH cell development and effector function. IL-21 plays a role in T cell-dependent B cell differentiation into plasma cells and memory cells, stimulation of IgG production and induction of apoptotic signaling in naive B cells. In Th17 cells, IL-21 expression and autocrine feedback through STAT3, IRF4 and ROR gamma t lead to upregulation of the IL-23R, thereby preparing Th17 cells for maturation and maintenance by the inflammatory cytokine IL-23. While upregulating IRF4 and ROR gamma t, IL-21 also mediates the downregulation of Foxp3. IL-21 deficient mice are protected from developing colitis upon chemical treatment by their inability to upregulate Th17-associated molecules. In comparison, elevated levels of IL-21 are present in chemically-induced colitis mouse models.
For research use or further manufacturing. Not for diagnostic use or direct administration into humans or animals.
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Bioinformatics
Protein Aliases: CX2; il 21; IL-21; ILN; Interleukin; Interleukin-21; interleukin-21 isoform; Interleukin21; Za11
Gene Aliases: CVID11; IL-21; IL21; Za11
UniProt ID: (Human) Q9HBE4
Entrez Gene ID: (Human) 59067
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