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Recombinant Human Contactin-1 Fc Chimera Protein, CF

Catalog # 904-CN | R&D Systems, Inc. a Bio-Techne Brand
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904-CN-100

Key Product Details

Source

Sf 21 (baculovirus)

Accession #

Structure / Form

Disulfide-linked homodimer

Conjugate

Unconjugated

Applications

Bioactivity

Product Specifications

Source

Spodoptera frugiperda, Sf 21 (baculovirus)-derived human Contactin-1 protein
Human Contactin-1
(Glu21-Ser993)
Accession # CAA79696
IEGRMD Human IgG1
(Pro100-Lys330)
N-terminus C-terminus

Purity

>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.

Endotoxin Level

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

N-terminal Sequence Analysis

Glu21

Predicted Molecular Mass

135 kDa

SDS-PAGE

135-150 kDa, reducing conditions

Activity

Measured by its binding ability in a functional ELISA.
Immobilized Recombinant Human (rh) NrCAM Fc Chimera (Catalog # 2034-NR) at 1 μg/mL (100 μL/well) can bind rhContactin-1 Fc Chimera with a linear range of 0.3-20 ng/mL.

Formulation, Preparation and Storage

904-CN
Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution
Reconstitute at 100 μg/mL in sterile PBS.

Reconstitution Buffer Available:
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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: Contactin-1

Contactin-1 (CNTN1), also known as F3 and F11, is an approximately 135 kDa GPI-anchored member of the Contactin family of neuronal adhesion glycoproteins (1). Mature human Contactin-1 contains 6 Ig-like domains and 4 fibronectin type III-like domains, and it shares 96% amino acid (aa) sequence identity with mouse and rat Contactin-1 (2, 3). Alternative splicing generates an isoform with an 11 aa deletion N-terminal to the first Ig-like domain and another isoform that is substituted and truncated following the sixth Ig-like domain. A soluble form of Contactin-1 is released into the cerebrospinal fluid (4). Contactin-1 is expressed on neurons and their precursors at sites of glial cell contact with neuronal processes (5-7). Within paranodal regions of the axon, Contactin-1 associates in cis with the transmembrane protein Caspr (7). It binds in trans to other neuronal adhesion proteins (e.g. NrCAM, Neurofascin, Tenascin R), the phosphatase PTPRZ, and the chondroitin sulfate CS-E (8-13). It also binds and activates both Notch-1 and Notch-2 (14). Ligation of Contactin-1 promotes neurite outgrowth, adhesion to Schwann cells, axon myelination, and differentiation of oligodendrocytes and cerebellar granule neurons, but it can also negatively regulate neurogenesis in the ventricular zone
(4, 6-9, 12-14). In cancer, Contactin-1 is up-regulated by VEGF-C and is required for VEGF R3/Flt-4 induced tumor cell invasion and metastasis (15).

References

  1. Shimoda, Y. and K. Watanabe (2009) Cell Adh. Migr. 3:64.
  2. Reid, R.A. et al. (1994) Brain Res. Mol. Brain Res. 21:1.
  3. Berglund, E.O. and B. Ranscht (1994) Genomics 21:571.
  4. Durbec, P. et al. (1992) J. Cell Biol. 117:877.
  5. Gennarini, G. et al. (1990) Acta Histochem. 38:65.
  6. Bizzoca, A. et al. (2012) Dev. Biol. 365:133.
  7. Boyle, M.E.T. et al. (2001) Neuron 30:385.
  8. Volkmer, H. et al. (1996) J. Cell Biol. 135:1059.
  9. Xenaki, D. et al. (2011) Development 138:519.
  10. Volkmer, H. et al. (1998) J. Cell Biol. 142:1083.
  11. Pesheva, P. et al. (1993) Neuron 10:69.
  12. Peles, E. et al. (1995) Cell 82:251.
  13. Mikami, T. et al. (2009) J. Biol. Chem. 284:4494.
  14. Hu, Q.-D. et al. (2003) Cell 115:163.
  15. Su, J.-L. et al. (2006) Cancer Cell 9:209.

Alternate Names

CNTN1, Contactin1, F11, F3cam

Entrez Gene IDs

1272 (Human); 12805 (Mouse)

Gene Symbol

CNTN1

UniProt

Product Documents for Recombinant Human Contactin-1 Fc Chimera Protein, CF

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Recombinant Human Contactin-1 Fc Chimera Protein, CF

For research use only

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    Name: Anonymous
    Application: Immunoassay Standard
    Verified Customer | Posted 07/05/2022
    good standard for ELISA
    Recombinant Human Contactin-1 Fc Chimera Protein, CF 904-CN

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