Recombinant Human R-spondin-4(RSPO4)

Code CSB-YP644152HU
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Source Yeast
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Code CSB-EP644152HU
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Source E.coli
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Code CSB-EP644152HU-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-BP644152HU
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Source Baculovirus
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Code CSB-MP644152HU
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Source Mammalian cell
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Product Details

Purity >85% (SDS-PAGE)
Target Names RSPO4
Uniprot No. Q2I0M5
Alternative Names C20orf182; CRISTIN4; hRspo4; R-spondin family, member 4; R-spondin-4; Roof plate-specific spondin-4; RSPO4; RSPO4_HUMAN
Species Homo sapiens (Human)
Expression Region 20-234
Protein Length Full Length of Mature Protein
Tag Info The following tags are available.
N-terminal His-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 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.
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.

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Target Background

Activator of the canonical Wnt signaling pathway by acting as a ligand for LGR4-6 receptors. Upon binding to LGR4-6 (LGR4, LGR5 or LGR6), LGR4-6 associate with phosphorylated LRP6 and frizzled receptors that are activated by extracellular Wnt receptors, triggering the canonical Wnt signaling pathway to increase expression of target genes. Also regulates the canonical Wnt/beta-catenin-dependent pathway and non-canonical Wnt signaling by acting as an inhibitor of ZNRF3, an important regulator of the Wnt signaling pathway.
Gene References into Functions
  1. A novel nonsense mutation in RSPO4 gene involves in the development of anonychia congenita. PMID: 22300369
  2. c.3G>A mutation is not sufficient to cause the congenital hyponychia and could be considered a polymorphism. PMID: 23234511
  3. RSPO4 has a crucial role in nail morphogenesis. PMID: 17041604
  4. These findings expand our understanding of the role of RSPO4 in nail development and disease. PMID: 17805348
  5. The previously unknown mutations c.190C>T (p.Arg64Cys) in exon 2 and c.301C>T (p.Gln101X) in exon 3 were identified in RSPO4, thereby corroborating R-spondin 4 as the major protein in autosomal-recessive anonychia. PMID: 17914448
  6. identification of a missense mutation c.199G > C (p.Gly67Arg) in the RSPO4 gene in a large consanguineous Pakistani family with an autosomal recessive form of anonychia PMID: 18070203

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Involvement in disease Nail disorder, non-syndromic congenital, 4 (NDNC4)
Subcellular Location Secreted.
Protein Families R-spondin family
Database Links

HGNC: 16175

OMIM: 206800

KEGG: hsa:343637

STRING: 9606.ENSP00000217260

UniGene: Hs.444980

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