The following gamma-glutamylcyclotransferase ELISA kits are useful research tools for the measurement of gamma-glutamylcyclotransferase in biological samples. In humans this protein is encoded by the GGCT gene. This protein is known to catalyze the formation of 5-oxoproline from gamma-glutamyl dipeptides and may play a significant role in glutathione homeostasis. The canonical protein structure is reported to have an amino acid length of 188 residues, a mass of 21 kDa, and is a member of the Gamma-glutamylcyclotransferase protein family. As many as 4 protein isoforms have been reported. This protein may also be known as cytochrome c-releasing factor 21. Use the search filters to narrow your search and click on the ELISA kits below for more detailed information, such as reactivity and assay sensitivity.