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Recombinant Rat UNC5H2/UNC5B Fc Chimera Protein, CF

Catalog # 1006-UN | R&D Systems, Inc. a Bio-Techne Brand
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1006-UN-050

Key Product Details

Source

NS0

Accession #

Structure / Form

Disulfide-linked homodimer

Conjugate

Unconjugated

Applications

Binding Activity

Product Specifications

Source

Mouse myeloma cell line, NS0-derived rat UNC5H2/UNC5B protein
Rat UNC5H2
(Gly27 - Asp373)
Accession # O08722
IEGRMD Human IgG1
(Pro100 - Lys330)
N-terminus C-terminus

Purity

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

Endotoxin Level

<0.10 EU per 1 μg of the protein by the LAL method.

N-terminal Sequence Analysis

Gly27

Predicted Molecular Mass

65 kDa (monomer)

SDS-PAGE

85-90 kDa, reducing conditions

Activity

Measured by its binding ability in a functional ELISA.
Immobilized rrUNC5H2/Fc Chimera at 5 µg/mL (100 µL/well) can bind rcNetrin-1 with a linear range of 6‑400 ng/mL.

Formulation, Preparation and Storage

1006-UN
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: UNC5H2/UNC5B

Caenorhabditis elegans UNC5 (UNC = behaviorally uncoordinated) and its mammalian homologues (including rat UNC5H1 and H2, mouse UNC5H2 and H3 (also known as rostral cerebellar malformation, RCM), and human UNC5H3 and H4) are transmembrane proteins belonging to the immunoglobulin (Ig) superfamily. All UNC5 family members have two Ig and two thrombospondin type 1 domains in their extracellular regions, as well as a conserved ZU-5 domain, a DCC (Deleted in Colorectal Cancer)-binding domain (DB) and a C-terminal death domain (DD) in their cytoplasmic regions (1, 2).

UNC5 family proteins are receptors for the netrin/UNC6 (netr: Sanskrit for “one who guides”) family of secreted axon guidance cues that are laminin-related proteins. Netrin family proteins can act as a chemoattractant for some axons and as a chemorepellent for others. Besides UNC5, netrin family proteins also bind to the DCC family of type I transmembrane receptors that share sequence similarity with proteins of the NCAM family, and adenosine A2b receptor, a G protein-coupled seven-transmembrane receptor belonging to the adenosine receptor family (3, 4). In vitro, netrin binding to DCC family receptors in the absence of UNC5 is associated with axon attraction. However, the DCC-mediated attraction to netrin is converted to repulsion by binding of UNC5 to the DCC-netrin complex. In vivo, the mechanisms of netrin-dependent axon attraction and repulsion are more complex and may include UNC5-mediated repulsion that is independent of DCC (1, 5). Besides their roles in axon guidance and neuronal migration, the UNC5 and DCC families also act as dependence receptors and exert pro-apoptotic effects in the absence of netrin (6).

Rat UNC5H2 cDNA encodes a 945 amino acid residues (aa) type I membrane protein with a putative 26 aa signal peptide and 347 aa extracellular domain. The extracellular domain of rat UNC5H2 shares approximately 65%, 73% and 73% aa sequence similarity with that of rat UNC5H1, human UNC5H3 and mouse UNC5H3, respectively.

References

  1. Hong, K. et al. (1999) Cell 97:927.
  2. Leonardo, E.D. et al. (1997) Nature 386:833.
  3. Culotti, J.B. and D.C. Merz (1998) Curr. Opin. Cell Biol. 10:609.
  4. Corset, V. (2000) Nature 407:747.
  5. Merz, D.C. (2001) Genetics 158:1071.
  6. Llambi, F. et al. (2001) EMBO J. 20:2715.

Long Name

Netrin Receptor UNC5B

Alternate Names

UNC5B

Entrez Gene IDs

219699 (Human); 60630 (Rat)

Gene Symbol

UNC5B

UniProt

Product Documents for Recombinant Rat UNC5H2/UNC5B 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 Rat UNC5H2/UNC5B Fc Chimera Protein, CF

This product or the use of this product is covered by U.S. Patents owned by The Regents of the University of California. This product is for research use only and is not to be used for commercial purposes. Use of this product to produce products for sale or for diagnostic, therapeutic or drug discovery purposes is prohibited. In order to obtain a license to use this product for such purposes, contact The Regents of the University of California.

U.S. Patent # 5,939,271, 6,277,585, and other U.S. and international patents pending.

For research use only

Citations for Recombinant Rat UNC5H2/UNC5B Fc Chimera Protein, CF (3)

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