Recombinant Mouse ROBO2 Fc Chimera Protein, CF

R&D Systems, part of Bio-Techne | Catalog # 8366-RB

R&D Systems, part of Bio-Techne
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Key Product Details

Source

NS0

Accession #

NP_780758

Structure / Form

Disulfide-linked homodimer

Conjugate

Unconjugated

Applications

Bioactivity

View all ROBO2 Proteins and Enzymes »

Product Specifications

Source

Mouse myeloma cell line, NS0-derived mouse ROBO2 protein
Mouse ROBO2
(Ser22-Ala863)
Accession # NP_780758		 IEGRMDP Mouse IgG2A
(Glu98-Lys330)
N-terminus C-terminus

Purity

>90%, by SDS-PAGE with silver staining.

Endotoxin Level

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

N-terminal Sequence Analysis

Ser22

Predicted Molecular Mass

120 kDa

SDS-PAGE

100-155 kDa, reducing conditions

Activity

Measured by its binding ability in a functional ELISA.
When recombinant human Slit3 or Recombinant Mouse Slit3 (Catalog # 3629-SL) is coated at 0.25 μg/mL, Recombinant Mouse ROBO2 Fc Chimera binds with an apparent Kd <2 nM.

Formulation, Preparation and Storage

8366-RB
Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution
Reconstitute at 500 μg/mL in sterile PBS.

Reconstitution Buffer Available:
Size / Price
Qty
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: ROBO2

ROBO2 is a type I transmembrane glycoprotein that is part of the ROBO family of guidance molecules. Mouse ROBO2 is synthesized as a 1470 amino acid (aa) precursor and has a predicted molecular weight of approximately 160 kDa. Its extracellular domain contains five C2-type Ig-like domains and three fibronectin type III domains, and shares 98% aa sequence identity with the human and rat orthologs. Alternative splicing of mouse Robo2 creates an 820 aa isoform that contains a 14 aa substitution for aa 807-946 and then terminates after this substitution. A 1527 aa isoform, termed ROBO2a, has also been identified (1). ROBO2a contains a longer signal peptide and is cleaved at a different position resulting in four extra aa in its N-terminus. It also contains an additional 42 aa that is inserted after aa 1049 (1). Mouse ROBO2 is ubiquitously expressed in embryonic and adult tissues, with the highest expression levels in the adult being seen in the brain, liver, and kidney (1-9). Mouse ROBO2a is also ubiquitously expressed during development; however, it is only expressed in the brain in adults (1). ROBO2 acts as a receptor for the Slit family of chemorepulsion molecules and facilitates Slit-mediated growth cone repulsion (5). It is highly expressed on axons that do not cross the ventral midline of the nervous system and on axons that have already crossed (9-11). As a result, Slit/ROBO2 signaling regulates guidance and midline crossing of growing axons (3, 5, 11-16). Slit/ROBO2 signaling has also been shown to mediate repulsion of neuronal cell bodies away from the floor plate during development (12). Furthermore, interactions between Slit and ROBO2 have also been shown to be critical for development of the foregut, lungs, kidney, and heart (6-8, 17, 18).

References

  1. Yue, Y. et al. (2006) Genomics 88:772.
  2. Piper, M. et al. (2000) Mech. Dev. 94:213.
  3. Erskine, L. et al. (2000) J. Neurosci. 20:4975.
  4. Vargesson, N. et al. (2001) Mech. Dev. 106:175.
  5. Guthrie, S. (2001) Curr. Biol. 11:R300.
  6. Greenberg, J.M. et al. (2004) Dev. Dyn. 230:350.
  7. Medioni, C. et al. (2010) Dev. Dyn. 239:3303.
  8. Domyan, E.T. et al. (2013) Dev. Cell 24:52.
  9. Sundaresan, V. et al. (2004) J. Comp. Neurol. 468:467.
  10. Rajagopalan, S. et al. (2000) Neuron 28:767.
  11. Mambetisaeva, E.T. et al. (2005) Dev. Dyn. 233:41.
  12. Kim, M. et al. (2011) Dev. Biol. 358:181.
  13. Fouquet, C. et al. (2007) J. Neurosci. 27:3037.
  14. López-Bendito, G. et al. (2007) J. Neurosci. 27:3395.
  15. Goldberg, D. et al. (2013) Dev. Dyn. 242:9.
  16. Wang, S. et al. (2013) J. Neurosci. 33:12242.
  17. Grieshammer, U. et al. (2004) Dev. Cell 6:709.
  18. Mommersteeg, M.T. et al. (2013) Circ. Res. 112:465.

Long Name

Roundabout Homolog 2

Alternate Names

SAX3

Entrez Gene IDs

6092 (Human); 268902 (Mouse); 84409 (Rat)

Gene Symbol

ROBO2

UniProt

NP_780758

Additional ROBO2 Products

Product Documents for Recombinant Mouse ROBO2 Fc Chimera Protein, CF

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Product Specific Notices for Recombinant Mouse ROBO2 Fc Chimera Protein, CF

For research use only

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