These Tumstatin ELISA kits are immunodetection tools for measuring the levels of Tumstatin in biological samples. Tumstatin is an alias of the human COL4A3 gene, which encodes the protein, collagen type IV alpha 3 chain. Notably, Tumstatin is known to play a role in the apoptotic pathway and cell adhesion, among other functions. The COL4A3 protein is 1670 amino acid residues in length and 161.8 kilodaltons in mass. However, as many as 5 protein isoforms have been identified. Its subcellular localization is in the extracellular matrix and is secreted. This protein is known to be glycosylated and phosphorylated. Other names for this target antigen include ATS2, ATS3, and BFH2. Click on the following ELISA kits for more detailed information, including target reactivity and assay sensitivity.