When Recombinant Human Tie-2 Fc Chimera (Catalog # 313-TI) is immobilized at 0.5 μg/mL (100 μL/well), Recombinant Human Angiopoietin‑2 (Catalog # 623-AN) binds with an ED50 of 0.5‑4 ng/mL.
Recombinant Human Tie-2 Fc Chimera Protein, CF Summary
Details of Functionality
Measured by its binding ability in a functional ELISA. When Recombinant Human Tie-2 Fc Chimera (Catalog # 313-TI) is
immobilized at 0.5 µg/mL (100 µL/well),
Recombinant
Human Angiopoietin‑2 (Catalog # 623-AN)
binds with an ED50 of 0.5‑4 ng/mL.
Source
Mouse myeloma cell line, NS0-derived human Tie-2 protein
>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Note
<0.01 EU per 1 μg of the protein by the LAL method.
Applications/Dilutions
Dilutions
Bioactivity
Theoretical MW
100 kDa (monomer). Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
SDS-PAGE
135 kDa, reducing conditions
Publications
Read Publications using 313-TI in the following applications:
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.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS.
Purity
>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Reconstitution Instructions
Reconstitute at 100 μg/mL in sterile PBS.
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Recombinant Human Tie-2 Fc Chimera Protein, CF
angiopoietin-1 receptor
CD202b antigen
CD202b
EC 2.7.10
EC 2.7.10.1
hTIE2
p140 TEK
soluble TIE2 variant 1
soluble TIE2 variant 2
TEK tyrosine kinase, endothelial
TEK
Tie2
Tie-2
TIE2CD202b
Tunica interna endothelial cell kinase
Tyrosine-protein kinase receptor TEK
Tyrosine-protein kinase receptor TIE-2
venous malformations, multiple cutaneous and mucosal
VMCM
VMCM1
Background
Tie-1/Tie (tyrosine kinase with Ig and EGF homology domains 1) and Tie-2/Tek comprise a receptor tyrosine kinase (RTK) subfamily with unique structural characteristics: two immunoglobulin-like domains flanking three epidermal growth factor (EGF)-like domains and followed by three fibronectin type III-like repeats in the extracellular region and a split tyrosine kinase domain in the cytoplasmic region. These receptors are expressed primarily on endothelial and hematopoietic progenitor cells and play critical roles in angiogenesis, vasculogenesis and hematopoiesis.
Human Tie-2 cDNA encodes a 1124 amino acid (aa) residue precursor protein with an 18 residue putative signal peptide, a 727 residue extracellular domain and a 354 residue cytoplasmic domain. Two ligands, angiopoietin-1 (Ang-1) and angiopoietin-2 (Ang-2), which bind Tie-2 with high-affinity have been identified. Ang-2 has been reported to act as an antagonist for Ang-1. Mice engineered to overexpress Ang-2 or to lack Ang-1 or Tie-2 display similar angiogenesis defects.
Partanen, J. and D.J. Dumont (1999) Curr. Top. Microbiol. Immunol. 237:159.
Takakura, N. et al. (1998) Immunity 9:677.
Procopio, W. et al. (1999) J. Biol. Chem. 274:30196.
Chemotherapy-induced metastasis: An unexpected foe? By Yoskaly Lazo-Fernandez, PhD IntroductionEvidence has accumulated recently indicating that common cancer therapies might stimulate metastasis in a significant number of cancer patients1. In fact, neoadjuvant che... Read full blog post.
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