Vitronectin Protein, Human, Recombinant (His Tag)

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Vitronectin Protein, Human, Recombinant (His Tag): Product Information

Purity
> 90 % as determined by SDS-PAGE.
Endotoxin
< 1.0 EU per μg protein as determined by the LAL method.
Activity
Measured by the ability of the immobilized protein to support the adhesion of DU145 human prostate carcinoma cells.
When cells are added to Vitronectin-coated plates (10 μg/mL and 100 μL/well), approximately >40% cells will adhere specifically after 30 minutes at 37℃.
Protein Construction
A DNA sequence encoding the human VTN (NP_000629.3) (Met1-Leu478) was expressed with a polyhistidine tag at the C-terminus.
Accession#
Expressed Host
HEK293 Cells
Species
Human
Predicted N Terminal
Asp 20
Molecule Mass
The recombinant human VTN consists 470 amino acids and predicts a molecular mass of 53.7 kDa.
Formulation
Lyophilized from sterile PBS, pH 7.4.
Please contact us for any concerns or special requirements.
Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization.
Please refer to the specific buffer information in the hard copy of CoA.
Shipping
In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Stability & Storage
Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃
Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution
A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.

Vitronectin Protein, Human, Recombinant (His Tag): Images

Vitronectin Protein, Human, Recombinant (His Tag): Alternative Names

V75 Protein, Human; Vitronectin Protein, Human; VN Protein, Human; VNT Protein, Human

Vitronectin Background Information

Vitronectin, also known as VTN, is a member of the pexin family. It is an abundant glycoprotein found in serum the extracellular matrix and promotes cell adhesion and spreading. Vitronectin is a secreted protein and exists in either a single chain form or a cleaved, two chain form held together by a disulfide bond. Vitronectin is a plasma glycoprotein implicated as a regulator of diverse physiological process, including blood coagulation, fibrinolysis, pericellular proteolysis, complement dependent immune responses, and cell attachment and spreading. Because of its ability to bind platelet glycoproteins and mediate platelet adhesion and aggregation at sites of vascular injury, vitronectin has become an important mediator in the pathogenesis of coronary atherosclerosis. As a multifunctional protein with a multiple binding domain, Vitronectin interacts with a variety of plasma and cell proteins. Vitronectin binds multiple ligands, including the soluble vitronectin receptor. It may be an independent predictor of adverse cardiovascular outcomes following acute stenting. Accordingly, Vitronectin is suggested to be involved in hemostasis, cell migration, as well as tumor malignancy.
Full Name
vitronectin
References
  • Ekmeki OB, et al. (2006) Vitronectin in atherosclerotic disease. Clin Chim Acta. 368(1-2): 77-83.
  • Derer W, et al. (2009) Vitronectin concentrations predict risk in patients undergoing coronary stenting. Circ Cardiovasc Interv. 2(1): 14-9.
  • Heyman L, et al. (2010) Mesothelial vitronectin stimulates migration of ovarian cancer cells. Cell Biol Int. 34(5): 493-502.
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