Listed are ELISA Kits for the detection of thymidine kinase 1, soluble, an alias name of thymidine kinase 1. The human protein, encoded by the gene TK1, is 234 amino acid residues long and has a mass of 25,469 daltons. It is an enzyme of the thymidine kinase class and is a member of the Thymidine kinase family. This protein is reported to have a cytoplasmic cellular localization. This target may also be known as: thymidine kinase cytosolic, cytosolic thymidine kinase, and thymidine kinase 1 soluble isoform.