Recombinant Mouse Semaphorin 3D Fc Chimera Protein

R&D Systems, part of Bio-Techne | Catalog # 9386-S3

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Carrier Free
9386-S3-025/CF
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With Carrier
9386-S3-025
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Key Product Details

  • R&D Systems CHO-derived Recombinant Mouse Semaphorin 3D Fc Chimera Protein (9386-S3)
  • Quality control testing to verify active proteins with lot specific assays by in-house scientists
  • All R&D Systems proteins are covered with a 100% guarantee

Source

CHO

Accession #

Q8BH34

Structure / Form

Disulfide-linked homodimer

Conjugate

Unconjugated

Applications

Bioactivity

View all Semaphorin 3D Proteins and Enzymes »

Product Specifications

Source

Chinese Hamster Ovary cell line, CHO-derived mouse Semaphorin 3D protein
Mouse Semaphorin 3D
(Ser38-Glu738)
Accession # Q8BH34		 IEGRMDP Mouse IgG2a
(Glu98-Lys330)
N-terminus C-terminus

Purity

>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.

N-terminal Sequence Analysis

Ser38

Predicted Molecular Mass

107 kDa

SDS-PAGE

97 - 113 kDa, reducing conditions

Activity

Measured by its ability to bind HUVEC human umbilical vein endothelial cells.
The ED50 for this effect is 1.5 -9 µg/mL.

Scientific Data Images for Recombinant Mouse Semaphorin 3D Fc Chimera Protein

Recombinant Mouse Semaphorin 3D Fc Chimera Protein Bioactivity

Recombinant Mouse Semaphorin 3D Fc Chimera Protein Bioactivity

Recombinant Mouse Semaphorin-3D (Catalog # 9386-S3) binds HUVEC human umbilical vein endothelial cells in a dose-dependent manner. The ED50 for this effect is 1.5 -9 µg/mL.

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: 9386-S3
Formulation Lyophilized from a 0.2 μm filtered solution in Tris and NaCl with BSA as a carrier protein.
Reconstitution Reconstitute at 400 μg/mL in 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: 9386-S3/CF
Formulation Lyophilized from a 0.2 μm filtered solution in Tris and NaCl with Trehalose.
Reconstitution Reconstitute at 400 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: Semaphorin 3D

Semaphorin 3D (Sema3D) is a member of the semaphorin family that plays a role in neuronal and vascular development (1, 2).  Class 3 semaphorins are secreted molecules, and contain a common domain structure. The mouse Sema3D domains consist of a 488 aa Sema domain, a 53 aa plexin-semaphorin-integrin (PSI) domain, an 89 aa Ig-like C2-type domain, and a 35 aa basic domain which is proteolytically processed (3, 4).  Within these domains, mouse Sema3D shares 94% and 98% aa sequence identity with human and rat Sema3D, respectively.  Semaphorin 3D is a secreted guidance molecule involved in angiogenesis and neuronal development (5).  It induces the collapse and paralysis of neuronal growth cones and promotes fasciculation of axons (6, 7). Sema3D also inhibits endothelial cell motility and tubulogenesis through cytoskeletal reorganization (2). Binding to Neuropilin-I is required for Sema3D signaling (8). ErbB2 was shown to be a potential Sema3D co-receptor, which is phosphorylated in response to Sema3D in HUVEC cells (8).  Semaphorin 3D inhibition of vascular development facilitates inhibition of glioblastoma growth in the cortex of the brain (1).

References

  1. Sabag, A. et al. (2012) PLoS One. 7:e42912.
  2. Aghajanian, H. et al. (2014) J. Biol. Chem. 289:17971.
  3. Takahashi, K. et al. (2009) Biochimica et Biophysica Acta. 1790:395.
  4. Gu, C. and E. Giraudo. (2013) Exp. Cell Res. 319:1306.
  5. Binch, A. et al. (2015) Oncotarget. 6:18338.
  6. Kuhn, T.B. et al. (2000) J. Neurobiology. 44:126.
  7. Wolman, M.A. et al. (2007) J. Neurobiology. 27: 9653-63.
  8. Aghajanian, H. et al. (2015) Nature Commun. 7:12038.

Alternate Names

coll-2, Collapsin 2, Sema-Z2, SEMA3D, Semaphorin-3D

Entrez Gene IDs

223117 (Human); 108151 (Mouse); 246262 (Rat)

Gene Symbol

SEMA3D

UniProt

Q8BH34

Additional Semaphorin 3D Products

Product Documents for Recombinant Mouse Semaphorin 3D Fc Chimera Protein

Product Datasheets

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.

Download SDS 9386-S3 (with carrier)
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Product Specific Notices for Recombinant Mouse Semaphorin 3D Fc Chimera Protein

For research use only

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