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DKK4, NT (Dickkopf-related Protein 4, Dickkopf-4, Dkk-4) (Azide free) (HRP)

Cat no: D3795-20A-HRP

DKK4, NT (Dickkopf-related Protein 4, Dickkopf-4, Dkk-4) (Azide free) (HRP)

DKK4, like DKK1, DKK2, and DKK3, possesses an N-terminal signal peptide and 2 conserved cysteine-rich domains, which are separated by a linker region and contain 10 cysteine residues each. The second cysteine region has a putative lipid-binding function that may facilitate WNT/DKK interactions at the plasma membrane. The linker region contains 50 to 55 amino acids in DKK1, DKK2, and DKK4, whereas in DKK3 it contains only 12 amino acids. All DKKs have several potential sites for cleavage by furin-type proteases. Northern blot analysis detected no expression of DKK4, but RT-PCR analysis detected DKK4 expression in cerebellum, T-cell, esophagus, and lung cDNA libraries. DKK4 blocks Xenopus Wnt8, Wnt3a, and Wnt2b, but not Dsh or Fz8, induction of a secondary axis in frog embryos, indicating that DKKs antagonize WNT function upstream of WNT receptors. \n\nApplications: \nSuitable for use in ELISA, Western Blot, and Immunohistochemistry. Other applications not tested.\n\nRecommended Dilution:\nELISA: 1:1,000\nWestern Blot: 1:100-1:500\nImmunohistochemistry: 1:50-1:100\nOptimal dilutions to be determined by the researcher.\n\nStorage and Stability:\nMay be stored at 4 degrees C for short-term only. Aliquot to avoid repeated freezing and thawing. Do not freeze horseradish peroxidase conjugates which could result in a substantial loss of enzymatic activity. Light sensitive. Aliquots are stable for at least 6 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.

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SPECIFICATIONS

Catalog Number

D3795-20A-HRP

Size

200ul

Applications

ELISA, IHC, WB

Hosts

Rabbit

Reactivities

Hum

Form

Supplied as a liquid in PBS, pH 7.2. No preservative added (Azide free). Conjugated to HRP.

P Type

Pab

Purity

Purified by Protein G affinity chromatography.

Isotype

IgG

References

1. Krupnik, V.E., et al., Gene 238(2):301-313 (1999). 2. Yoshida, S., et al., Cytogenet. Cell Genet. 94(1-2), 88-89 (2001).

Additional Info

Recognizes human DKK4.

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