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Recombinant Human Sonic Hedgehog/Shh, N-Terminus Protein

Bio-Techne includes R&D Systems | Catalog # 1314-SH

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Carrier Free
1314-SH-025/CF

Catalog #
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With Carrier
1314-SH-025

Key Product Details

Source

E. coli

Accession #

Conjugate

Unconjugated

Applications

Bioactivity

Product Specifications

Source

E. coli-derived human Sonic Hedgehog/Shh protein
Cys24-Gly197, with a C-terminal 6-His tag

Purity

>97%, by SDS-PAGE with silver staining, under reducing conditions.

Endotoxin Level

N-terminal Sequence Analysis

Cys24

Predicted Molecular Mass

20 kDa

SDS-PAGE

22 kDa, reducing conditions

Activity

Measured by its ability to induce alkaline phosphatase production by C3H10T1/2 mouse embryonic fibroblast cells. Nakamura, T. et al. (1997) Biochem. Biophys. Res. Commun. 237:465.
The ED50 for this effect is <5 µg/mL.

Scientific Data Images for Recombinant Human Sonic Hedgehog/Shh, N-Terminus Protein

Recombinant Human Sonic Hedgehog/Shh, N-Terminus Protein Bioactivity

Recombinant Human Sonic Hedgehog/Shh, N-Terminus Protein Bioactivity

Recombinant Human Sonic Hedgehog/Shh, N-Terminus (Catalog # 1314-SH) induces alkaline phosphatase production by the C3H10T1/2 mouse embryonic fibroblast cell line. The ED50 for this effect is
Recombinant Human Sonic Hedgehog/Shh, N-Terminus Protein SDS-PAGE

Recombinant Human Sonic Hedgehog/Shh, N-Terminus Protein SDS-PAGE

1 μg/lane of Recombinant Human Sonic Hedgehog/Shh, N-Terminus was resolved with SDS-PAGE under reducing (R) conditions and visualized by silver staining, showing a single band at 22 kDa.

Formulation, Preparation and Storage

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.

Carrier: 1314-SH
Formulation Lyophilized from a 0.2 μm filtered solution in NaH2PO4, NaCl and DTT 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.
Carrier Free: 1314-SH/CF
Formulation Lyophilized from a 0.2 μm filtered solution in NaH2PO4, NaCl and DTT .
Reconstitution Reconstitute at 100 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.

Background: Sonic Hedgehog/Shh

Sonic Hedgehog (Shh) is expressed in embryonic tissues that are critical for the patterning of the developing central nervous system, somite, and limb. It is also involved in whisker, hair, foregut, tooth, and bone development. Shh regulates neural and hematopoietic stem cell fate and is important for thymocyte differentiation and proliferation as well as T cell determination. In adult tissue Shh is associated with cancer development and tissue remodeling following injury (1-3). Human Shh encodes a 462 amino acid (aa) precursor protein that is autocatalytically processed to yield a non-glycosylated 19 kDa N-terminal fragment (Shh-N) and a glycosylated 25 kDa C-terminal protein (Shh-C) (4). Shh-C, which is responsible for the intramolecular processing of Shh, is rapidly degraded following Shh proteolysis (5). Shh-N is highly conserved, sharing >98% aa identity between mouse, human, rat, canine, porcine, and chicken Shh-N. Shh-N can be palmitoylated at its
N-terminal cysteine and modified by cholesterol addition at its C-terminus (6). These modifications contribute to the membrane tethering of Shh as well as its assembly into various sized multimers (6-9). Lipid modification and multimerization greatly increase Shh-N receptor binding affinity and signaling potency (5, 6, 8, 9). Monomeric and multimeric Shh can be released from the plasma membrane by the cooperative action of DISP1, SCUBE2, and TACE/ADAM17 (10-12). Modifications also extend the effective range of Shh functionality and are required for the development of protein gradients important in tissue morphogenesis (9, 13). Canonical signaling of Shh is mediated by a multicomponent receptor complex that includes Patched (PTCH1, PTCH2) and Smoothened (SMO) (14). The binding of Shh to PTCH releases the basal repression of SMO by PTCH. Shh activity can also be regulated through interactions with heparin, glypicans, and membrane-associated Hip (hedgehog interacting protein) (13, 15, 16).

References

  1. Briscoe, J. and P.P. Therond (2013) Mol. Cell. Biol. 14:416.
  2. Aviles, E.C. et al. (2013) Front. Cell. Neurosci. 7:86.
  3. Xie, J. et al. (2013) OncoTargets Ther. 6:1425.
  4. Marigo, V. et al. (1995) Genomics 28:44.
  5. Zeng, X. et al. (2001) Nature 411:716.
  6. Feng, J. et al. (2004) Development 131:4357.
  7. Goetz, J.A. et al. (2006) J. Biol. Chem. 281:4087.
  8. Pepinsky, R.B. et al. (1998) J. Biol. Chem. 273:14037.
  9. Chen, M.-H. et al. (2004) Genes Dev. 18:641.
  10. Etheridge, L.A. et al. (2010) Development 137:133.
  11. Jakobs, P. et al. (2014) J. Cell Sci. 127:1726.
  12. Dierker, T. et al. (2009) J. Biol. Chem. 284:8013.
  13. Lewis, P.M. et al. (2001) Cell 105:599.
  14. Carpenter, D. et al. (1998) Proc. Natl. Acad. Sci. USA 95:13630.
  15. Filmus, J. and M. Capurro (2014) Matrix Biol. 35:248.
  16. Chuang, P.-T. and A.P. McMahon (1999) Nature 397:617.

Alternate Names

HHG1, HLP3, HPE3, MCOPCB5, Shh, ShhNC, SMMCI, TPTPS

Entrez Gene IDs

6469 (Human); 20423 (Mouse)

Gene Symbol

SHH

UniProt

Additional Sonic Hedgehog/Shh Products

Product Documents for Recombinant Human Sonic Hedgehog/Shh, N-Terminus Protein

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Recombinant Human Sonic Hedgehog/Shh, N-Terminus Protein

For research use only

Citations for Recombinant Human Sonic Hedgehog/Shh, N-Terminus Protein (15)

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FAQs for Recombinant Human Sonic Hedgehog/Shh, N-Terminus Protein

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  • Q: What is the difference between Recombinant Human Sonic Hedgehog Catalog # 1845-SH and Catalog # 1314-SH?

    A: Recombinant Human Sonic Hedgehog, Catalog # 1845-SH, possesses a N-terminal mutation that increases its potency in bioassay tests. The amino acid sequence is Cys24-Gly197 (Cys24Ile-Ile), accession number NP_000184. The Cys24Ile-Ile mutation was created to match a publication that describes enhanced activity with these modifications: "http://www.ncbi.nlm.nih.gov/pubmed/11284692". Catalog # 1314-SH does not possess this mutation.

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Reconstitution Calculator

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