Recombinant Mouse Semaphorin 3E Fc Chimera Protein, CF

R&D Systems | Catalog # 3238-S3

R&D Systems
Discontinued Product
3238-S3 has been discontinued. View all Semaphorin 3E products.

Key Product Details

Source

Sf 21 (baculovirus)

Accession Number

P70275

Structure / Form

Disulfide-linked homodimer

Applications

Bioactivity
View all Semaphorin 3E Proteins and Enzymes »

Product Specifications

Source

Spodoptera frugiperda, Sf 21 (baculovirus)-derived mouse Semaphorin 3E protein
Mouse Semaphorin 3E
Asn27-Phe766 (Arg557Ala and Arg560Ala)
Accession # P70275		 IEGRMD Human IgG1
(Pro100-Lys330)
N-terminus C-terminus

Purity

>90%, by SDS-PAGE under reducing conditions and visualized by silver stain.

Endotoxin Level

<1.0 EU per 1 μg of the protein by the LAL method.

N-terminal Sequence Analysis

Asn27

Predicted Molecular Mass

112 kDa (monomer)

SDS-PAGE

110-120 kDa, reducing conditions

Activity

Measured by its ability to cause collapse of chick embryonic dorsal root ganglia (DRG) neuron growth cones.
2.5‑5.0 µg/mL of Recombinant Mouse Semaphorin 3E Fc Chimera causes >50% growth cone collapse in the presence of 10 ng/mL of Recombinant Human beta ‑NGF (Catalog # 256-GF).

Formulation, Preparation, and Storage

3238-S3
Formulation Lyophilized from a 0.2 μm filtered solution in Tris, NaCl and Tween® 20.
Reconstitution Reconstitute at 100 μg/mL in sterile PBS.
Shipping The product is shipped with polar packs. 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.

Calculators

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.

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Background: Semaphorin 3E

Semaphorin 3E (Sema3E), previously known as SemaH, is one of six Class 3 (secreted) semaphorins which function in axon guidance and/or vascular tip cell guidance during development (1). Sema3E contains a seven-blade beta -propeller sema domain, a cysteine-knot PSI domain, an Ig-like domain, and a basic region. Dimerization and cleavage within the basic region are required for the repulsing activity of class 3 semaphorins (2). Sema3E can also be cleaved at a furin consensus sequence C-terminal to the sema domain, resulting in a 61 kDa form that does not dimerize and is highly expressed in tumor cell lines with metastatic potential (3, 4). Mature mouse Sema3E shares 90% and 98% aa sequence identity with human and rat Sema3E, respectively. Sema3E signaling is transduced by Plexin D1 which may also be associated with Neuropilin 1 and/or VEGF R2 (2, 5, 6). Its interaction with Plexin D1 inhibits axon migration in the neocortex and forebrain (6, 7), although it can attract axons that express both Plexin D1 and Neuropilin 1 (6). Sema3E promotes axonal growth (5), the development of glutamatergic synaptic specificity (8, 9), and the development of GnRH producing neurons (10). Genetic disruption of either Sema3E or Plexin D1 in mouse causes excessive and disorganized vascular growth and branching, indicating the importance of this ligand-receptor pair for vascular guidance (11, 12). In addition, Sema3E is up-regulated by inflammatory macrophages and damaged hepatocytes (13-15). It inhibits smooth muscle cell proliferation and migration in the asthmatic airway (16), promotes hepatic stellate cell activation and wound healing (15), and regulates the migration of developing thymocytes (17).

References

  1. Oh, W.J. and C. Gu (2013) Semin. Cell Dev. Biol. 24:156.
  2. Adams, R. H. et al. (1997) EMBO J. 16:6077.
  3. Christensen, C. et al. (2005) Cancer Res. 65:6167.
  4. Casazza, A. et al. (2010) J. Clin. Invest. 120:2684.
  5. Bellon, A. et al. (2010) Neuron 66:205.
  6. Chauvet, S. et al. (2007) Neuron 56:807.
  7. Bribian, A. et al. (2014) Nat. Commun. 5:4265.
  8. Ding, J.B. et al. (2011) Nat. Neurosci. 15:215.
  9. Pecho-Vrieseling, E. et al. (2009) Nature 459:842.
  10. Cariboni, A. et al. (2015) J. Clin. Invest. 125:2413.
  11. Gu, C. et al. (2005) Science 307:265.
  12. Gitler, A. D. et al. (2004) Developmental Cell 7:107.
  13. Wanschel, A. et al. (2013) Arterioscler. Thromb. Vasc. Biol. 33:886.
  14. Shimizu, I. et al. (2013) Cell Metab. 18:491.
  15. Yagai, T. et al. (2014) Am. J. Pathol. 184:2250.
  16. Movassagh, H. et al. (2014) J. Allergy Clin. Immunol. 133:560.
  17. Choi, Y.I. et al. (2014) Proc. Natl. Acad. Sci. USA 111:379.

Alternate Names

Sema3E, SEMAH

Entrez Gene IDs

9723 (Human); 20349 (Mouse)

Gene Symbol

SEMA3E

UniProt

P70275

Additional Semaphorin 3E Products

Product Documents for Recombinant Mouse Semaphorin 3E Fc Chimera Protein, CF

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Product Specific Notices for Recombinant Mouse Semaphorin 3E Fc Chimera Protein, CF

For research use only

Related Research Areas

Proteoglycans

Citations for Recombinant Mouse Semaphorin 3E Fc Chimera Protein, CF

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