Anti-GGTLC3 antibodies are used in the immunodetection of the protein gamma-glutamyltransferase light chain family member 3. In humans, the canonical protein has a reported length of 225 amino acid residues and a mass of 24.1 kDa. It is a member of the Gamma-glutamyltransferase protein family. Synonyms for this target antigen include gamma-glutamyltransferase light chain 3, putative gamma-glutamyltransferase light chain 3, and putative glutathione hydrolase light chain 3.