Human Dkk-1 Protein

• Catalog Number: orb257395
• Category: Proteins
• Description: Members of the dickkopf-related protein family (DKK-1, -2, -3, and -4) are secreted proteins with two cysteine-rich domains separated by a linker region. And DKK1 takes part in embryonic development through its inhibition of the WNT signaling pathway, binds to LRP6 with high affinity and prevents the Frizzled-Wnt-LRP6 complex formation in response to Wnts. DKK1 promotes LRP6 internalization and degradation when it forms a ternary complex with the cell surface receptor Kremen.DKK1 not olny functions as a head inducer during development, but also regulates joint remodeling and bone formation, which suggests roles for DKK1 in the pathogenesis of rheumatoid arthritis and multiple myeloma. More recently research reported, DKK1 impacts eye development from a defined developmental time point on, and is critical for lens separation from the surface ectoderm via β-catenin mediated Pdgfrα and E-cadherin expression.
• Reactivity: Human
• Tag: C-6×His
• Form/Appearance: Powder
• Purity: 95%
• Conjugation: Unconjugated
• MW: 26.6 kDa
• Target: Dkk-1
• Source: Human Dkk-1 Protein, His Tag, premium grade (orb257395) is expressed from human 293 cells (HEK293). It contains AA Thr 32 - His 266 (Accession # NP_036374.1).
• Expression System: HEK293
• Biological Activity: Immobilized Human Dkk-1 Protein, His Tag, premium grade at 5 μg/mL (100 μL/well) can bind Human LRP-5, Mouse IgG2a Fc Tag with a linear range of 0.01-0.156 μg/mL (QC tested).
• Expression Region: Thr 32 - His 266
• Endotoxins: 0.1 EU per μg
• NCBI: NP_036374.1
• Storage: -20°C to -70°C for 12 months in lyophilized state; -70°C for 3 months under sterile conditions after reconstitution. For long term storage, the product should be stored at lyophilized state at -20°C or lower.
• Buffer/Preservatives: PBS, pH7.4
• Alternative names: DKK1,SK
• Note: For research use only
• Application notes: This protein carries a polyhistidine tag at the C-terminus. The protein has a calculated MW of 26.6 kDa. The protein migrates as 35-45 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
• Expiration Date: 6 months from date of receipt.

References

Li, Chunyan et al. The Effect of C-X-C Motif Chemokine 13 on Hepatocellular Carcinoma Associates with Wnt Signaling Biomed Res Int, 2015, 345413 (2015)

PubMed: 26161394

SDS-PAGE analysis of Human Dkk-1 protein

Immobilized Human Dkk-1 Protein, His Tag, premium grade (Cat. No. orb257395) at 5 μg/mL (100 μL/well) can bind Human LRP-5, Mouse IgG2a Fc Tag (Cat. No. orb570288) with a linear range of 0.01-0.156 μg/mL (QC tested).