Listed are ELISA Kits for the detection of Thiopurine Methyltransferase, an alias name of thiopurine S-methyltransferase. The human protein, encoded by the gene TPMT, is 245 amino acid residues long and has a mass of 28,180 daltons. It is a member of the Class I-like SAM-binding methyltransferase superfamily, TPMT family. This protein is reported to have a cytoplasmic cellular localization. This target may also be known as: S-adenosyl-L-methionine:thiopurine S-methyltransferase, and TPMTD.