Recombinant Mouse Tyro3/Dtk His-tag Protein, CF
Recombinant Mouse Tyro3/Dtk His-tag Protein, CF Summary
Ala31-Thr418, with a C-terminal 6-His tag
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.
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 500 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.
When Recombinant Mouse Tyro3/Dtk His-tag Protein is immobilized at 1 μg/mL (100 μL/well), Recombinant Mouse GAS6 (Full Length) Protein (Catalog # 8310-GS) binds with an ED50 of 0.4-2.4 μg/mL.
2 μg/lane of Recombinant Mouse Tyro3/Dtk His-tag Protein (Catalog # 10480-DT) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands at 60-75 kDa.
Dtk (Sky, Tyro3, Rse, Brt), Axl (Ufo, Ark), and Mer (human and mouse homologues of chicken c-Eyk) constitute a new receptor tyrosine kinase subfamily. Mouse DTK is a 42kDa protein with a 30 amino acid (aa) signal sequence, 389 aa extracellular domain (ECD), and a 20 aa transmembrane segment. The ECD of mouse DTK shares 85% and 96% sequence identity with the ECD of human and rat respectively. The extracellular domain of these proteins contains two Ig-like motifs and two fibronectin type III motifs. This characteristic topology is also found in neural cell adhesion molecules and in receptor tyrosine phosphatases. All three receptors bind the vitamin K-dependent protein growth-arrest specific gene 6 (Gas6) which is structurally related to the anticoagulation factor protein S. The binding affinities for Gas6 is in the order of Axl > Dtk > Mer. Gas6 binding induces tyrosine phosphorylation and downstream signaling pathways that can lead to cell proliferation, migration, or the prevention of apoptosis. Dtk is widely expressed during embryonic development. In adults, Dtk is predominantly expressed in neurons in restricted regions of the brain. In embryoid stem cells growing in the presence of leukemia inhibitory factor, DTK is abundantly expressed and this level of expression is maintained in differentiating embryoid stem cells and cystic embryoid bodies. In mid-gestational embryos, DTK RNA is expressed in many tissues including brain, eye, thymus, lung, heart, gut, liver, testis and limbs. In contrast, expression of DTK in adult mice becomes restricted to brain, portions of gastrointestinal tract, bladder, testis and ovary. Overexpression of DTK and several other receptor tyrosine kinase have been found in small cell lung cancer (4).
- Nagata, K. et al. (1996) J. Biol. Chem. 22:30022.
- Crosier, K.E. and P.S Crosier (1997) Pathology 29:131.
- Crosier, P. et al. (1994) Growth Factors 11:125.
- Hamilton, G. et al. (2015) Oncoscience 2:629.
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