Recombinant Human Frizzled-7 Fc Chimera Protein, CF

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Product Details

Summary
Reactivity HuSpecies Glossary
Applications Bioactivity
Format
Carrier-Free

Order Details

Recombinant Human Frizzled-7 Fc Chimera Protein, CF Summary

Details of Functionality
Measured by its binding ability in a functional ELISA. In a 100 µL reaction mixture containing biotinylated rmWnt-5a at 100 ng/mL and rhFrizzled-7/Fc Chimera dilutions at 0.1-8,000 ng/mL, the concentration of rhFrizzled-7/Fc Chimera that produces 50% of the optimal binding response is found to be approximately 20-80 ng/mL.
Optimal concentrations should be determined by each laboratory for each application.
Source
Chinese Hamster Ovary cell line, CHO-derived human Frizzled-7 protein
Human Frizzled-7
(Gln33-Leu185)
Accession # NP_003498
IEGRMD Human IgG1
(Pro100-Lys330)
N-terminusC-terminus
Accession #
N-terminal Sequence
Gln33
Structure / Form
Disulfide-linked homodimer
Protein/Peptide Type
Recombinant Proteins
Gene
FZD7
Purity
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Dilutions
  • Bioactivity
Theoretical MW
43.3 kDa (monomer).
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
SDS-PAGE
55-66 kDa, reducing conditions
Reviewed Applications
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6178-FZ in the following application:

Publications
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6178-FZ in the following applications:

Packaging, Storage & Formulations

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.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS.
Purity
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Reconstitution Instructions
Reconstitute at 200 μg/mL in PBS.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Recombinant Human Frizzled-7 Fc Chimera Protein, CF

  • frizzled (Drosophila) homolog 7
  • frizzled homolog 7 (Drosophila)
  • Frizzled, drosophila, homolog of, 7
  • Frizzled7
  • Frizzled-7
  • fz-7
  • FZD7
  • FzE3frizzled-7
  • hFz7

Background

Frizzled-7 is a member of the Frizzled family of unconventional G-protein-coupled glycoprotein receptors for the Wnt signaling pathway (1 - 3). The Wnt genes encode a large family of glycoproteins that are essential in development and tissue maintenance (1, 2). Like other Frizzled family members, Frizzled-7 contains a divergent N-terminal signal peptide (amino acid (aa) 1 - 32), a highly conserved extracellular cysteine-rich domain (CRD, aa 44 - 169), a variable-length linker region (aa 170 ‑ 256), a seven-pass transmembrane region (aa 257 - 549), and a variable-length C-terminal cytoplasmic domain (aa 550 - 574) (1 - 3). The CRD, which comprises the binding site for Wnts and other ligands such as Syndecan 4 and fibronectin, spans about 130 amino acid residues and contains ten invariant cysteine residues (2, 3). Expressed alone, it can compete with native Frizzled to inhibit Wnt canonical signaling (4). Within aa 33 - 185, human Frizzled-7 shares ~99% aa identity with human, rat, canine and bovine Frizzled-7. Mature Frizzled-7 also shares 80% aa identity with Frizzled-1 and Frizzled-2. Roles for Frizzled-7 have been determined in both canonical Wnt/ beta -Catenin-mediated signaling and non‑canonical planar cell polarity and calcium pathways (1, 2, 4). During development, Frizzled-7 is expressed during gastrulation and in the fetal gut, kidney and lung where it is thought to influence tissue morphogenesis via non-canonical signaling pathways (3 - 5). In the adult, Frizzled-7 is expressed in skeletal muscle, especially in satellite cells that mediate muscle regeneration in response to Wnt-7a (3, 6). It is expressed in embryonic stem cells (ES), contributing to self-renewal signaling (7). It has been implicated in mesenchymal-to-epithelial transition in colorectal cancer (2, 8). Frizzled-7 mRNA has also been detected in adult heart and placenta (3).

  1. Schulte, G. and V. Bryja (2007) Trends Pharmacol. Sci. 28:518.
  2. Vincan, E. et al. (2007) Front. Biosci. 12:4558.
  3. Sagara, N. et al. (1998) Biochem. Biophys. Res. Commun. 252:117.
  4. Medina, A. et al. (2000) Mech. Dev. 92:227.
  5. Kemp, C.R. et al. (2007) Dev. Dyn. 236:2011.
  6. Le Grand, F. et al. (2009) Cell Stem Cell 4:535.
  7. Melchior, K. et al. (2008) Biol. Chem. 389:897.
  8. Vincan, E. et al. (2007) Oncogene 26:2340.

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Publications for Frizzled-7 (6178-FZ)(4)

Review for Frizzled-7 (6178-FZ) (1) 41

Average Rating: 4
(Based on 1 review)

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Summary

ApplicationImmunoassay Standard
LotTSW0316101

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Application: Immunoassay Standard
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Gene Symbol FZD7
Uniprot