The centrin, EF-hand protein, 2 ELISA kits listed below are analytical tools for measuring concentrations of centrin, EF-hand protein, 2 in various samples. centrin, EF-hand protein, 2 is an alternative name for the human CETN2 gene, which encodes the protein, centrin 2. It has been mentioned that centrin, EF-hand protein, 2 plays a role in the cell cycle, among other functions. Structurally, the CETN2 protein is described to be 172 amino acid residues in length and 19.7 kilodaltons in mass. It is localized to the nucleus and cytoplasm of the cell. Other names for this target antigen include CALT, CEN2, and caltractin (20kD calcium-binding protein).