Recombinant Human TEM5/GPR124 His-tag Protein, CF

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Recombinant Human TEM5/GPR124 His-tag Protein, CF Binding Activity
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Product Details

Recombinant Human TEM5/GPR124 His-tag Protein, CF Summary

>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Measured by its binding ability in a functional ELISA. When Recombinant Human RECK Fc Chimera (Catalog # 10309-RE) is immobilized at 2 µg/mL (100 µL/well), Recombinant Human TEM5/GPR124 His-tag (Catalog # 10206-TE) binds with an ED50 of 1‑8 μg/mL.
Human embryonic kidney cell, HEK293-derived human TEM5/GPR124 protein
Ala27-Arg359, with C-terminal 6-His tag
Accession #
N-terminal Sequence
Predicted Molecular Mass
36 kDa
53-60 kDa, under reducing conditions

Product Datasheets

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 with Trehalose.
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.
  • 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.

Data Images

Binding Activity View Larger

When Recombinant Human RECK Fc Chimera (Catalog # 10309-RE) is immobilized at 2 µg/mL (100 µL/well), Recombinant Human TEM5/GPR124 His-tag (Catalog # 10206-TE) binds with an ED50of 1-8 µg/mL.

SDS-PAGE View Larger

2 μg/lane of Recombinant Human TEM5/GPR124 His-tag (Catalog # 10206-TE) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands at 53-60 kDa.

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: TEM5/GPR124

G-protein coupled receptor 124 (GPR124), otherwise known as Adhesion G protein-coupled receptor A2 (AGRA2) and tumor endothelial marker 5 (TEM5), is localized on the surface of endothelial cells. Adhesion GPCRs are the second largest group within the GPCR superfamily, and are implicated in cell-to-cell and cell-to-matrix adhesion with high promiscuity towards ligands (1, 2). Humam TEM5/GPR124 contains a 738 amino acid (aa) extracellular domain (ECD), a transmembrane domain with seven helices of varying lengths, and a 270 aa cytoplasmic domain. Human TEM5/GPR124 shares 90% aa identity to both mouse and rat TEM5/GPR124 within the  N-terminal ECD. TEM5/GPR124 shares structural characteristics with other adhesion GPCR family members because of its relatively large N and C-terminal domains, and a GAIN domain (1, 2). The N-terminal ECD contains an exposed RGD motif and binds to RGD-dependent integrins on the surface of endothelial cells. TEM5/GPR124 mediates endothelial cell survival during angiogenesis by linking integrin to glycosaminoglycans. TEM5/GPR124 has also been shown to interact with DLG1 through its PDZ-binding motif (3). In humans, TEM5/GPR124 appears to play a role in tumor vascular biology, as TEM5/GPR124 transcripts are dramatically up-regulated in vascular ECs in tumors relative to ECs in normal tissue (4). The most N-terminal domain of RECK binds to the leucine-rich repeat (LRR) and immunoglobulin (Ig) domains of TEM5/GPR124 (4). RECK is the predominant binding partner of TEM5/GPR124 (5). TEM5/GPR124 and RECK act primarily in an extracellular fashion. RECK has been identified as a TEM5/GPR124-associated Wnt7 receptor that forms a 1:1 complex with active, monomeric, hydrophobic Wnt7 (5). RECK and TEM5/GPR124 are part of the cell surface protein complex that transduces Wnt7a- and Wnt7b-specific signals in mammalian CNS ECs to promote angiogenesis and regulate the blood-brain barrier (BBB) (4).

  1. Hamann, J. et al. (2015) Pharmacol Rev. 67:338.
  2. Arac, D. et al. (2012) Ann N Y Acad Sci. 1276:1.
  3. Kuhnert, F. et al. (2010) Science 330:985.
  4. Cho, C. et al. (2017) Neuron. 95:1056.
  5. Vallon, M. et al. (2018) Cell Reports 25:339.
Long Name
Tumor Endothelial Marker 5
Entrez Gene IDs
25960 (Human); 78560 (Mouse)
Alternate Names
DKFZp434C211; DKFZp434J0911; G protein-coupled receptor 124; GPR124; G-protein coupled receptor 124; KIAA1531; KIAA1531FLJ14390; TEM5; TEM5Tumor endothelial marker 5


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