Recombinant Mouse Stanniocalcin 2/STC-2 Protein, CF

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Recombinant Mouse Stanniocalcin 2/STC-2 Protein Bioactivity
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Recombinant Mouse Stanniocalcin 2/STC-2 Protein, CF Summary

Product Specifications

>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Measured by its ability to inhibit Wnt-3a-induced alkaline phosphatase production by MC3T3‑E1 mouse preosteoblast cells. The ED50 for this effect is 75-450 ng/ml in the presence of 10 ng/ml of Recombinant Mouse Wnt‑3a (Catalog # 1324-WN).
Mouse myeloma cell line, NS0-derived mouse Stanniocalcin 2/STC-2 protein
Thr25-Arg296, with a C-terminal 6-His tag
Accession #
N-terminal Sequence
Structure / Form
Disulfide-linked homodimer
Predicted Molecular Mass
31 kDa
33-44 kDa, reducing conditions

Product Datasheets

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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.


Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 500 μg/mL in 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.

Scientific Data

Bioactivity Recombinant Mouse Stanniocalcin 2/STC-2 Protein Bioactivity View Larger

Recombinant Mouse Stanniocalcin 2/STC-2 (Catalog # 9406-SO) inhibits Recombinant Mouse Wnt-3a induced alkaline phosphatase production by MC3T3-E1 mouse preosteoblast cells. The ED50 for this effect is 75-450 ng/mL in the presence of 10 ng/mL of Recombinant Mouse Wnt-3a (Catalog # 1324-WN).

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Background: Stanniocalcin 2/STC-2

Mouse STC-2 (Stanniocalcin-2) is a secreted disulfide-linked homodimeric glycoprotein hormone that is related to the STC protein. It is first discovered from corpuscles of stannous, an endocrine gland unique to bony fish (1-3). The 272 amino acid (aa) mature mouse STC-2 has an 86% homology with the human form. STC‑2 has been described as having a role in human adult height and is involved in the GIANT consortium (4, 5). STC-2 is expressed in a wide variety of tissues. It regulates calcium and phosphate homeostasis (1-3), enhances mesenchymal stem cell survival (6), promotes cell proliferation in cervical cancer (7), suppresses breast cancer cell migration and invasion (8), promotes osteoblast differentiation (9), and inhibits longitudinal bone growth directly at the growth plate (10). It is also a biomarker for cervical and lung cancers (11, 12).Fform

  1. Wagner, G.F. et al. (1995) Proc. Natl. Acad. Sci. 92:1871.
  2. Zhang, J. et al. (1998) Protein Expression and Purification. 12:390.
  3. Takei, Y. et al. (2012) Bone. 50:998.
  4. Marouli, E. et al. (2017) Nature 542:186.
  5. Holmes, D. (2017) Nature Reviews Endocrinology. 13:190.
  6. Kim PH, et al. (2015) BMB Rep. 48:702.
  7. Wang Y, et al. (2015) Biochem Biophys Res Commun. 466:362.
  8. Hou J, et al. (2015) PLoS One. 10:e0122179.
  9. Zhou J, et al. (2016) Mol Med Rep. 14:5653.
  10. Wu S, et al. (2006) J Biol Chem. 281:5120.
  11. Shen XJ, et al. (2014) Int J Clin Exp Pathol. 7: 8770.
  12. Na SS, et al. (2015) Biochim Biophys Acta. 1854:668.
Entrez Gene IDs
8614 (Human); 20856 (Mouse)
Alternate Names
Stanniocalcin 2; stanniocalcin-2; STC2; STC-2; STC-2Stanniocalcin-related protein; STC-related protein; STCRP


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