1. Measured by its ability to inhibit TGF-beta 1 activity on TF‑1 human erythroleukemic cells. The ED50 for this effect is 0.37ng/ml. (Regularly tested) 2. Immobilized Human TGFBR2-Fc at 2μg/ml (100 μl/well)can bind Biotinylated Human TGF-beta 3-Avi . The ED50 of Biotinylated Human TGF-beta 3-Avi is 2.05 ng/ml. (Regularly tested)

TGF beta 3 Protein, Human, Recombinant (Avi), Biotinylated is expressed in HEK293 mammalian cells with N-Avi tag. The predicted molecular weight is 10-14 KDa and the accession number is P10600.

Human

HEK293 Cells

TGF-β3,TGF-beta3,TGFB3,ARVD

Ala301-­Ser412

Ala301-­Ser412 (Tyr340Phe)

Greater than 95% as determined by reducing SDS-PAGE. (QC verified)

Reconstitute the lyophilized protein in distilled water. The product concentration should not be less than 100 μg/ml. Before opening, centrifuge the tube to collect powder at the bottom. After adding the reconstitution buffer, avoid vortexing or pipetting for mixing.

Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.

Transforming growth factor beta (TGFβ) is a multifunctional cytokine that regulates cell growth, differentiation, adhesion, migration and death dependent on cell type, developmental stage, or tissue conditions. There are three isoforms of TGFβ (TGFβ-1, -2 and -3). TGF-beta-3 is released from LAP by integrins: integrin-binding results in distortion of the LAP chain and subsequent release of the active TGF-beta-3. TGF-beta 3 binds with high affinity to TGF-beta RII, a type II serine/threonine kinase receptor. This receptor then phosphorylates and activates type I serine/threonine kinase receptors, TGF-beta RI or ALK-1, to modulate transcription through Smad phosphorylation.