Recombinant Mouse Semaphorin 6D Fc Chimera Protein, CF

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Recombinant Mouse Semaphorin 6D Fc Chimera Protein, CF Summary

Product Specifications

>95%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Level
<0.01 EU per 1 μg of the protein by the LAL method.
Measured by its binding ability in a functional ELISA. When Recombinant Mouse Semaphorin 6D Fc Chimera is coated at 6 μg/mL, Recombinant Mouse Plexin A1 (Catalog # 4309-PA) binds with an apparent KD < 50 nM.
Mouse myeloma cell line, NS0-derived mouse Semaphorin 6D protein
Mouse Semaphorin 6D
(Ser22 - His641)
Accession # NP_954710
(Glu98 - Lys330)
N-terminus C-terminus
Accession #
N-terminal Sequence
Structure / Form
Disulfide-linked homodimer
Predicted Molecular Mass
97 kDa (monomer)
110-120 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 300 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.
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Background: Semaphorin 6D

Semaphorin 6D (Sema6D) is a 130 ‑ 135 kDa member of the Semaphorin family of axon guidance molecules (1 ‑ 3). The four known Class 6 semaphorins are type I transmembrane glycoproteins that share approximately 40% amino acid (aa) identity and exhibit neuropilin-independent binding to specific plexin A receptors (1, 2). Sema6D is expressed in the cardiac tube and within the brain and spinal cord during development (2 ‑ 5). It shows broad expression postnatally, including neurons, lymphocytes, dendritic cells and osteoclasts (5 ‑ 8). Brain, kidney, placenta, and cardiac and skeletal muscles show highest mRNA expression (2, 5). The primary mouse Sema6D isoform (1073 aa) includes a 21 aa signal sequence, a 642 aa extracellular domain (ECD) including Sema and PSI domains, a 21 aa transmembrane sequence and a 390 aa cytoplasmic portion. The ECD of this isoform shares 96%, 99%, 95%, 96% and 96% aa identity with corresponding human, rat, bovine, equine and canine sequences, respectively. Alternate splicing creates isoforms of 1054, 1030, 1017, 1011 and 998 that lack sequences between aa 570 and 644 and/or contain a 13 aa insert after aa 549; all variations affect the PSI domain (2, 5). All Sema6D isoforms are present in the brain, but are differentially expressed elsewhere (2, 5). In the developing brain, both Sema6D and Sema6C are co‑expressed with Plexin A1 and interact differentially to guide proprioceptive peripheral neurons by repulsion (4). Sema6D is essential for morphogenesis of the cardiac ventricle in the chick, signaling both forward through Plexin A1 and in reverse through Sema6D (3, 9). Sema6D mediates survival and anchorage‑independent growth of malignant pleural mesothelioma (10) It is active in immune responses by Sema6D+ T cell stimulation of dendritic cells, and in bone homeostasis by engaging osteoclast Plexin A1 (6 ‑ 8). In all these settings, Sema6D acts through a complex of Plexin A1 with receptor tyrosine kinases such as VEGF R2 (3, 6 ‑ 10).

  1. Zhou, Y. et al. (2008) Trends Biol. Sci. 33:161.
  2. Qu, X. et al. (2002) J. Biol. Chem. 277:35574.
  3. Toyofuku, T. et al. (2004) Genes Dev. 18:435.
  4. Yoshida, Y. et al. (2006) Neuron 52:775.
  5. Taniguchi, M. and T. Shimizu (2004) Biochem. Biophys. Res. Commun. 314:242.
  6. O’Connor, B.P. et al. (2008) Proc. Natl. Acad. Sci. USA 105:13015.
  7. Watarai, H. et al. (2008) Proc. Natl. Acad. Sci. USA 105:2993.
  8. Takegahara, N. et al. (2006) Nat. Cell Biol. 8:615.
  9. Toyofuku, T. et al. (2004) Nat. Cell Biol. 6:1204.
  10. Catalano, A. et al. (2009) Cancer Res. 69:1485.
Entrez Gene IDs
80031 (Human); 214968 (Mouse); 311384 (Rat)
Alternate Names
KIAA1479FLJ11598; sema domain, transmembrane domain (TM), and cytoplasmic domain, (semaphorin) 6D; Sema6D; Semaphorin 6D; semaphorin-6D

Citation for Recombinant Mouse Semaphorin 6D Fc Chimera Protein, CF

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

1 Citation: Showing 1 - 1

  1. Osteoprotection by semaphorin 3A.
    Authors: Hayashi M, Nakashima T, Taniguchi M, Kodama T, Kumanogoh A, Takayanagi H
    Nature, 2012;485(7396):69-74.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay


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