Recombinant Bovine Interleukin-21(IL21)

Code CSB-YP765738BO
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Source Yeast
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Code CSB-EP765738BO
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Source E.coli
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Code CSB-EP765738BO-B
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP765738BO
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Source Baculovirus
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Code CSB-MP765738BO
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Source Mammalian cell
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Product Details

Purity >85% (SDS-PAGE)
Target Names IL21
Uniprot No. Q76LU5
Alternative Names IL21Interleukin-21; IL-21
Species Bos taurus (Bovine)
Expression Region 18-146
Target Protein Sequence HKS SSQGQDRLFI RLRQLIDIVD QLKNYVNDLD PEFLPAPEDV KRHCERSAFS CFQKVQLKSA NNGDNEKIIN ILTKQLKRKL PATNTGRRQK HEVTCPSCDS YEKKPPKEYL ERLKSLIQKM IHQHLS
Protein Length Full Length of Mature Protein
Tag Info The following tags are available.
N-terminal His-tagged
Tag-Free
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer before Lyophilization Tris/PBS-based buffer, 6% Trehalose, pH 8.0
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting
and FAQs
Protein FAQs
Storage Condition Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet Please contact us to get it.

Customer Reviews and Q&A

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Target Background

Function
Cytokine with immunoregulatory activity. May promote the transition between innate and adaptive immunity. Induces the production of IgG(1) and IgG(3) in B-cells. Implicated in the generation and maintenance of T follicular helper (Tfh) cells and the formation of germinal-centers. Together with IL6, control the early generation of Tfh cells and are critical for an effective antibody response to acute viral infection. May play a role in proliferation and maturation of natural killer (NK) cells in synergy with IL15. May regulate proliferation of mature B- and T-cells in response to activating stimuli. In synergy with IL15 and IL18 stimulates interferon gamma production in T-cells and NK cells. During T-cell mediated immune response may inhibit dendritic cells (DC) activation and maturation.
Gene References into Functions
  1. The results revealed that the peak expression of IL6 and 21 was on DPV 28 which correlated well with the FMDV antibody titer and plummeted to the prevaccination titer level by 60 DPV. PMID: 24555796
Subcellular Location Secreted.
Protein Families IL-15/IL-21 family
Tissue Specificity Expressed in spleen, but not in the brain, heart, kidney, liver, and lung.
Database Links

KEGG: bta:378475

STRING: 9913.ENSBTAP00000016413

UniGene: Bt.23583

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301-363-4651 (Available 9 a.m. to 5 p.m. CST from Monday to Friday)
Address
7505 Fannin St Ste 610-322 Houston, TX 77054, USA
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