Recombinant Human Soggy-1/DkkL1 Protein

Carrier Free

Catalog # Availability Size / Price Qty
1549-S1-025/CF

With Carrier

Catalog # Availability Size / Price Qty
1549-S1-025
R&D Systems Recombinant Proteins and Enzymes
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Product Details
Citations (3)
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Recombinant Human Soggy-1/DkkL1 Protein Summary

Product Specifications

Purity
>90%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Activity
Measured by its ability to inhibit proliferation of HeLa human cervical epithelial carcinoma cells. The ED50 for this effect is 2-6 µg/mL.
Source
Mouse myeloma cell line, NS0-derived human Soggy-1/DkkL1 protein
Ala31-Leu242, with a C-terminal 10-His tag
Accession #
N-terminal Sequence
Analysis
Ala31
Structure / Form
Monomer
Predicted Molecular Mass
25.3 kDa
SDS-PAGE
40 kDa, reducing conditions

Product Datasheets

1549-S1 (with carrier)

1549-S1/CF (carrier free)

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

1549-S1

Formulation Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Reconstitution Reconstitute at 100 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.

1549-S1/CF

Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 100 μg/mL in sterile PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Reconstitution Calculator

Reconstitution Calculator

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Background: Soggy-1/DkkL1

Soggy-1, also known as DkkL1 (Dickkopf-like 1), is a secreted protein that is related to the Dickkopf family of Wnt antagonists. Dkk-1, -2, -3, and -4 each have two cysteine-rich domains separated by a linker. Soggy-1 does not contain cysteine-rich domains but bears some sequence homology with the N-terminal regions of Dkk proteins (1, 2). The human Soggy-1 cDNA encodes a 242 amino acid (aa) precursor that includes a 30 aa signal sequence (2). Human Soggy-1 shares approximately 65% aa sequence identity with mouse and rat Soggy-1 and 15 - 20% aa sequence identity with human Dkk-1, -2, -3, and -4. Mouse Soggy-1 is expressed at various sites in the embryo but in the adult is primarily found in the testes (3 - 5). Soggy-1 transcription is regulated by the spermatocyte specific factor, RFX2 (6). The regulatory elements for Soggy-1 lie very close to those of TEAD-2, a transcription factor that is expressed very early in development (4). Soggy-1 and TEAD-2 are co-expressed in preimplantation embryos and embryonic stem cells, but differentiated cells express only one or the other (4, 5). During development, Soggy-1 is first detectable at the onset of sexual differentiation (4). Soggy-1 is localized to the acrosome in developing spermatocytes and mature spermatozoa (3, 4). Soggy-1, as expressed in developing mouse spermatocytes, is a 34 kDa N-glycosylated protein. This glycosylation is not present on Soggy-1 in mature spermatozoa, although the apparent molecular weight suggests the presence of some post-translational modification (3). Two shorter forms of Soggy-1 have been described that result from the use of internal methionine residues for initiation (4).

References
  1. Kawano, Y. and R. Kypta (2003) J. Cell Sci. 116:2627.
  2. Krupnik, V.E. et al. (1999) Gene 238:301.
  3. Kohn, M.J. et al. (2005) Mol. Reprod. Dev. 71:516.
  4. Kaneko, K.J. and M.L. DePamphilis (2000) Nucleic Acids Res. 28:3982.
  5. Kaneko, K.J. et al. (2004) Mol. Cell. Biol. 24:1968.
  6. Horvath, G.C. et al. (2004) Biol. Reprod. 71:1551.
Long Name
Dickkopf-like Protein 1
Entrez Gene IDs
27120 (Human); 50722 (Mouse)
Alternate Names
Cancer/testis antigen 34; CT34dickkopf-like 1 (soggy); dickkopf-like 1; DkkL1; Protein soggy-1; SGY; SGY1; SGY-1dickkopf-like protein 1; SGY1soggy; Soggy1; Soggy-1

Citations for Recombinant Human Soggy-1/DkkL1 Protein

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

3 Citations: Showing 1 - 3
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  1. A novel high-content imaging-based technique for measuring binding of Dickkopf-1 to low-density lipoprotein receptor-related protein 6
    Authors: RS Priestley, J Cheung, EJ Murphy, MT Ehebauer, JB Davis, E Di Daniel
    J Pharmacol Toxicol Methods, 2018;0(0):.
    Applications: Bioassay
  2. Widespread potential for growth-factor-driven resistance to anticancer kinase inhibitors.
    Authors: Wilson TR, Fridlyand J, Yan Y, Penuel E, Burton L, Chan E, Peng J, Lin E, Wang Y, Sosman J, Ribas A, Li J, Moffat J, Sutherlin DP, Koeppen H, Merchant M, Neve R, Settleman J
    Nature, 2012;487(7408):505-9.
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay
  3. Dkk-3 is elevated in CSF and plasma of Alzheimer's disease patients.
    Authors: Zenzmaier C, Marksteiner J, Kiefer A, Berger P, Humpel C
    J. Neurochem., 2009;110(2):653-61.
    Species: N/A
    Sample Types: N/A
    Applications: Antibody Absorption

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