Purity >95% by SDS-PAGE, MW: 25.7 kDa. Transforming Growth Factor beta 3 comes as a dimer having a 113/226 amino acid chain. Transforming growth factors (TGFs) are multifunctional peptides that regulate growth and differentiation in most cell types. The TGF-beta family of proteins signal through serine/threonine kinase receptors. TGF-beta isoforms (TGF-beta1, -beta2, and -beta3) have overlapping, yet distinct biological actions in developing and adult tissues. TGF-beta3 is an important factor in regulating cell adhesion and accelerating wound repair. TGF-beta3 also functions during osteoblast proliferation, chemotaxis, and collagen synthesis. This product is produced with no animal or human origin raw products. All processing and handling employs animal free equipment and animal free protocols.