Target intelligence / Profile preview

Gamma-glutamyltransferase 6 (GGT6)

Target
GGT6
Molecular classification
Enzyme
01

Overview

Gamma-glutamyltransferase 6 (GGT6) is a membrane-bound extracellular enzyme in the gamma-glutamyltransferase family that catalyzes the transfer of the γ-glutamyl group from glutathione and other peptides to acceptor amino acids or peptides. This enzymatic process is critical for maintaining glutathione homeostasis, and thus contributes to antioxidant defense, detoxification, and amino acid transport. GGT6 is expressed in various tissues, though its specific biological role appears context-dependent, and genetic studies suggest alterations in its function may influence the risk of inflammatory diseases such as rheumatoid arthritis.

Other names
Glutathione hydrolase 6Glutathione hydrolase 6 heavy chainGlutathione hydrolase 6 light chainGamma-glutamyltranspeptidase 6GGT 6FLJ90165gamma-glutamyltransferase 6 homologgamma-glutamyltranspeptidase 6
02

Mechanism of action

Hydrolyzes and transfers gamma-glutamyl moieties from glutathione and related compounds to acceptor molecules, influencing cellular redox status

03

Biological functions

Glutathione metabolismRedox homeostasisAntioxidant defenseXenobiotic detoxificationPeptide processingAmino acid transport
04

Disease associations

Rheumatoid arthritis (genetic risk locus)Glutathionuria (association)Potential involvement in inflammation and tissue remodeling
05

Biomarkers

Potential biomarker for autoimmune disease risk (rheumatoid arthritis) based on genetic studies

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