Recombinant Human C-type lectin domain family 9 member A (CLEC9A), partial, Biotinylated (Active)

In Stock
Code: CSB-MP740922HU-B
Size:
20ug
20ug100ug1mg
US$166
Quantity:
Express system: Mammalian cell
Species: Homo sapiens (Human)
Tag Info: N-terminal hFc1-Avi-tagged
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Product Details

Abbreviation
Recombinant Human CLEC9A protein, partial, Biotinylated (Active)
Purity
Greater than 90% as determined by SDS-PAGE.
Endotoxin
Less than 1.0 EU/ug as determined by LAL method.
Activity
Measured by its binding ability in a functional ELISA. Immobilized Anti-CLEC9A recombinant antibody (CSB-RA740922MA1HU) at 2 μg/mL can bind Human CLEC9A protein. The EC50 is 2.915-3.520 ng/mL.
Target Names
CLEC9A
Uniprot NO.
Research Area
Others
Alternative Names
C-type lectin domain family 9 member A; CD370; CLEC9A; UNQ9341/PRO34046
Species
Homo sapiens (Human)
Source
Mammalian cell
Expression Region
57-241aa
Target Protein Sequence
KLLQVSTIAMQQQEKLIQQERALLNFTEWKRSCALQMKYCQAFMQNSLSSAHNSSPCPNNWIQNRESCYYVSEIWSIWHTSQENCLKEGSTLLQIESKEEMDFITGSLRKIKGSYDYWVGLSQDGHSGRWLWQDGSSPSPGLLPAERSQSANQVCGYVKSNSLLSSNCSTWKYFICEKYALRSSV
Note: The complete sequence may include tag sequence, target protein sequence, linker sequence and extra sequence that is translated with the protein sequence for the purpose(s) of secretion, stability, solubility, etc.
If the exact amino acid sequence of this recombinant protein is critical to your application, please explicitly request the full and complete sequence of this protein before ordering.
Mol. Weight
50.4 kDa
Protein Length
Partial
Tag Info
N-terminal hFc1-Avi-tagged
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
Lyophilized from a 0.2 μm filtered PBS, 6% Trehalose, pH 7.4
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°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Storage Condition
Store at -20°C/-81°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Lead Time
3-7 business days
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℃ for up to one week.
Shelf Life
The shelf life is related to many factors, storage state, storage temperature and the stability of the product itself. Generally, the shelf life of lyophilized form is 6 months at -20°C/-80°C from the date of receipt.
Troubleshooting and FAQs
Datasheet & COA
Please contact us to get it.
Images
  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
  • Activity
    Measured by its binding ability in a functional ELISA. Immobilized Anti-CLEC9A recombinant antibody (CSB-RA740922MA1HU) at 2 μg/ml can bind Human CLEC9A protein. The EC50 is 2.915-3.520 ng/mL.
Description

CLEC9A, a C-type lectin receptor expressed on cross-presenting dendritic cells, recognizes exposed actin filaments from necrotic cells and directs antigen uptake for CD8+ T cell priming—a pathway central to anti-tumor immunity and vaccine design. This biotinylated construct spanning residues 57–241 captures the extracellular ligand-binding domain and demonstrates quantified binding activity in functional ELISA, with an EC50 of 2.915–3.520 ng/mL against an anti-CLEC9A antibody, providing a validated basis for ligand-binding assays, competitive inhibition screening, and therapeutic antibody epitope mapping. Mammalian expression supports native glycosylation and disulfide bond formation critical for C-type lectin fold integrity, while the N-terminal hFc1-Avi tag enables oriented immobilization in SPR and BLI platforms for affinity characterization and blocking antibody validation. Purity exceeding 90% by SDS-PAGE and endotoxin below 1.0 EU/μg align with standards expected in cell-based functional assays and antibody screening workflows targeting dendritic cell receptors.

Customer Reviews and Q&A

 Customer Reviews

Target Background

Function(From Uniprot)
Functions as an endocytic receptor on a small subset of myeloid cells specialized for the uptake and processing of material from dead cells. Recognizes filamentous form of actin in association with particular actin-binding domains of cytoskeletal proteins, including spectrin, exposed when cell membranes are damaged, and mediate the cross-presentation of dead-cell associated antigens in a Syk-dependent manner.
Gene References into Functions
  1. Clec9a is responsible for the antigen cross-presentation of dendritic cell subsets and may be a target of immunotherapy PMID:27250027
  2. findings demonstrate that CLEC9A is a specialized receptor that modulates the innate immune response when there is a mycobacterial infection PMID:29065139
  3. Data indicate that blood dendritic cell antigen 3 BDCA3(+) and C-type lectin domain family 9, member A CLEC9A(+) dendritic cells (DC) are of major importance in the induction of anti-viral and anti-tumor immunity. PMID:24910448
  4. Activated dendritic cell subsets expressing CD141/CLEA9A/CD1c, likely recruited into the tubulointerstitium, are positioned to play a role in the development of fibrosis and, thus, progression to chronic kidney disease. PMID:24049150
  5. study showsn that the DNGR-1 ligand is preserved from yeast to man and corresponds to the F-actin component of the cellular cytoskeleton; identification of F-actin as a DNGR-1 ligand suggests that cytoskeletal exposure is a universal sign of cell damage that can be targeted by the innate immune system to initiate immunity PMID:22483800
  6. High expression of DNGR-1 specifically and universally identifies a unique dendritic cells subset in mouse and humans. PMID:22442345
  7. propose that Clec9A provides targeted recruitment of the adaptive immune system during infection and can also be utilized to enhance immune responses generated by vaccines. PMID:22483802
  8. Data show that CLEC9A is only expressed on immature BDCA3(+) myeloid dendritic cells (mDCs). PMID:22234694
  9. For production of cytotoxic T cells, transgenic DEC-205 and Clec9A, but not Clec12A, are effective targets for antibody-mediated delivery of antigens for vaccination, although only in the presence of adjuvants. PMID:21677141
  10. A population of human dendritic cells (DC) that expresses DNGR-1 (CLEC9A) and high levels of BDCA3 and resembles mouse CD8alpha+ DCs in phenotype and function, is characterized. PMID:20479117
  11. DC, NK lectin group receptor-1 (DNGR-1) is a C-type lectin of the NK cell receptor group PMID:18497879
  12. CLEC9A functions as an activation receptor PMID:18408006
  13. analysis of differences between mouse and human Clec9A PMID:18669894
  14. CLEC9A functions as a SYK-coupled C-type lectin receptor to mediate sensing of necrosis by the principal dendritic-cell subset involved in regulating cross-priming to cell-associated antigens PMID:19219027
  15. The paper cited (J Clin Invest. 2008 Jun;118(6):2098-110) is the first characterization of human and mouse CLEC9A (a.k.a DNGR-1) PMID:18497879

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Subcellular Location
Membrane; Single-pass type II membrane protein.
Tissue Specificity
In peripheral blood highly restricted on the surface of BDCA31(+) dendritic cells and on a small subset of CD14(+) and CD16(-) monocytes.
Database Links

HGNC: 26705

UNIGENE: Hs.531189

KEGG: hsa:283420

STRING: 9606.ENSP00000348074

OMIM: 612252

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