Recombinant Mouse Ryk Fc Chimera Protein, CF

Catalog # Availability Size / Price Qty

SAVE +FREE SHIPPING with ACADEMIA23 (See Promo Details)

R&D Systems Recombinant Proteins and Enzymes
1 Image
Product Details
Supplemental Products

Recombinant Mouse Ryk Fc Chimera Protein, CF Summary

Product Specifications

>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.
Measured by its ability to bind biotinylated recombinant mouse Wnt-3a in a functional ELISA with an estimated KD <50 nM.
Mouse myeloma cell line, NS0-derived mouse Ryk protein
Mouse Ryk
Accession # Q01887
N-terminus C-terminus
Accession #
N-terminal Sequence
Structure / Form
Disulfide-linked homodimer
Predicted Molecular Mass
47 kDa (monomer)
60-66 kDa, reducing conditions

Product Datasheets

You must select a language.



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.
Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Background: Ryk

Ryk (Related to tyrosine kinase), also called VIK in mouse, is an 70‑90 kDa type I transmembrane glycoprotein that is an atypical member of the receptor tyrosine kinase superfamily (1, 2). Mouse Ryk cDNA encodes 594 amino acids (aa) that include a 34 aa signal sequence, a 177 aa extracellular domain (ECD) that contains a WIF (Wnt Inhibitory Factor) domain (aa 50‑178), a transmembrane sequence, and a cytoplasmic region with a non‑functional Ser/Thr protein kinase domain (aa 317‑590) (1‑3). The cytoplasmic region participates in signaling by undergoing gamma ‑secretase cleavage and translocating to the nucleus in response to Wnts (4). Alternate start sites at aa 28 or aa 117 have been reported. Within the ECD, mouse Ryk shares 94% and 100% aa sequence identity with mouse and rat Ryk, respectively. Ryk protein expression is reported in developing neurons of the corticospinal tract, ventral zone, and retina, as well as adult tissue epithelia, stroma and blood vessels (4‑9). Ryk binds Wnts and EphB2/B3 receptors via its WIF domain (8‑10). It may form a Wnt receptor complex with Frizzled receptors, serving as a link between Wnt and Dishevelled and converting Wnt/Frizzled attraction signals to repulsion signals (6‑8, 10). In particular, Ryk is required for Wnt5a‑induced axon guidance after cortical axons cross the corpus callosum, and for Wnt3‑mediated guidance of developing retinal ganglion cells (7, 8). Mice deleted for the Ryk gene show defects in axon guidance that produce craniofacial defects and shortened limbs (10, 11). Ryk-/- mice share a cleft palate phenotype with EphB2/B3‑deleted mice (10). Ryk is often over‑expressed in human ovarian cancer (5).

  1. Hovens, C.M. et al. (1992) Proc. Natl. Acad. Sci. USA 89:11818.
  2. Clark, C.E.J. et al. (2012) Neurosignals 20:202.
  3. Katso, R.M. et al. (1999) Mol. Cell. Biol. 19:6427.
  4. Lyu, J. et al. (2008) Dev. Cell 15:773.
  5. Katso, R.M. et al. (1999) Cancer Res. 59:2265.
  6. Liu, Y. et al. (2005) Nat. Neurosci. 8:1151.
  7. Schmitt, A.M. et al. (2006) Nature 439:31.
  8. Keeble, T.R. et al. (2006) J. Neurosci. 26:5840.
  9. Kamitori, K. et al. (2005) Biochem. Biophys. Res. Commun. 330:446.
  10. Lu, W. et al. (2004) Cell 119:97.
  11. Halford, M.M. et al. (2000) Nat. Genet. 25:414.
Long Name
Receptor Type Tyrosine Protein Kinase RYK
Entrez Gene IDs
6259 (Human); 20187 (Mouse); 140585 (Rat)
Alternate Names
D3S3195; EC 2.7.10; EC; hydroxyaryl-protein kinase; JTK5; JTK5A protein tyrosine kinase; JTK5A; RYK receptor-like tyrosine kinase; Ryk; RYK1; tyrosine-protein kinase RYK


No product specific FAQs exist for this product, however you may

View all Proteins and Enzyme FAQs

Reconstitution Buffers

Reviews for Recombinant Mouse Ryk Fc Chimera Protein, CF

There are currently no reviews for this product. Be the first to review Recombinant Mouse Ryk Fc Chimera Protein, CF and earn rewards!

Have you used Recombinant Mouse Ryk Fc Chimera Protein, CF?

Submit a review and receive an Amazon gift card.

$25/€18/£15/$25CAN/¥75 Yuan/¥1250 Yen for a review with an image

$10/€7/£6/$10 CAD/¥70 Yuan/¥1110 Yen for a review without an image

Submit a Review