Recombinant Human V-set and immunoglobulin domain-containing protein 4 (VSIG4), partial

Code CSB-YP896869HU
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Source Yeast
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Code CSB-EP896869HU
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Source E.coli
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Code CSB-EP896869HU-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-BP896869HU
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Source Baculovirus
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Code CSB-MP896869HU
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Source Mammalian cell
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Product Details

Purity
>85% (SDS-PAGE)
Target Names
VSIG4
Uniprot No.
Alternative Names
Complement receptor of the immunoglobulin superfamily; CRIg; Ig superfamily protein; Protein Z39Ig; UNQ317/PRO362; V set and immunoglobulin domain containing 4; V-set and immunoglobulin domain-containing protein 4; VSIG4; VSIG4_HUMAN; Z39IG
Species
Homo sapiens (Human)
Protein Length
Partial
Tag Info
Tag type will be determined during the manufacturing process.
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
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
Phagocytic receptor, strong negative regulator of T-cell proliferation and IL2 production. Potent inhibitor of the alternative complement pathway convertases.
Gene References into Functions
  1. Soluble VSIG4 levels are associated with the progression and recurrence of ovarian cancer, indicating that soluble VSIG4 may be used as a potential biomarker for predicting tumor prognosis. PMID: 28498255
  2. VSIG4 signaling provides an anti-immune evasion mechanism that prevents the outgrowth of intracellular bacteria in macrophages PMID: 27440002
  3. The VSIG4 upregulation by LMP1 was regulated at the transcriptional level via the NF-kB signaling axis. PMID: 28859984
  4. VSIG4 expression is significantly upregulated in human masticatory mucosa during wound healing PMID: 28005267
  5. we concluded that let-7g-5p inhibits epithelial-mesenchymal transition (EMT) consistent with reduction of glioma stem cell (GSC) phenotypes by targeting VSIG4 in glioblastoma. PMID: 27634309
  6. Data indicate that rotein kinase calpha (PKCalpha) plays a role in downregulating complement receptor Ig (CRIg coded by V-set and Ig domain-containing protein 4 VSIG4) expression. PMID: 25687755
  7. complement receptor of the immunoglobulin superfamily-L-factor H protects glomerular mesangial cells from complement-mediated injury and proliferative lesions PMID: 25114177
  8. we identified VSIG4 as a potential diagnostic marker of severe preeclampsia. The determination of this gene may improve the prognostic assessment of severe preeclampsia. PMID: 24349325
  9. Data indicate that massive V-set and Ig domain-containing 4 VSIG4(+) cell infiltration throughout the non-small-cell lung cancer samples. PMID: 24862966
  10. we showed that a complement receptor of the Ig superfamily (CRIg, also known as Z39Ig), a receptor for complement fragments (C3b and iC3b), was expressed on a subset of intestinal macrophages in murine and human large intestine PMID: 21768202
  11. These results suggest that T cells can opposite T cell hyporesponsiveness through dampening Z39Ig inhibitory signals from macrophages and thus maintain their anti-viral function in chronic hepatitis B. PMID: 20399148
  12. hVSIG4 recombinant adenovirus-transfected DCs suppress T cell proliferation, cytokine production and activation marker expression with PMID: 19914289
  13. Results report the identification and characterization of a Complement Receptor of the Immunoglobulin superfamily, CRIg, that binds complement fragments C3b and iC3b. PMID: 16530040
  14. These data indicate that the macrophage Z39Ig is involved in the pathogenesis of inflammatory diseases through chemokine induction, which will promote the migration of inflammatory cells into the lesion area, and MMP-9 induction. PMID: 16882875
  15. The specific expression of VSIG4 on resting macrophages suggests that VSIG4 may be important for the maintenance of T cell unresponsiveness in healthy tissues. PMID: 17016562
  16. CRIg is not only a phagocytic receptor, but also a potent inhibitor of the alternative pathway convertases PMID: 17051150

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Subcellular Location
Membrane; Single-pass type I membrane protein.
Tissue Specificity
Abundantly expressed in several fetal tissues. In adult tissues, highest expression in lung and placenta. Expressed in resting macrophages.
Database Links

HGNC: 17032

OMIM: 300353

KEGG: hsa:11326

STRING: 9606.ENSP00000363869

UniGene: Hs.8904

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