Gamma-glutamylcysteine synthetase (gamma-GCS) is the rate limiting enzyme for glutathione (L-gamma-glutamyl-L-cysteinylglycine, GSH) synthesis. GSH is ubiquitous in mammalian cells as a vital intra- and extracellular protective antioxidant. Gamma-GCS is a heterodimer of a heavy catalytic subunit and a light regulatory subunit that is responsive to inflammation, phenolic ntioxidants, heat shock, oxidants and cytokines.
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Protein Aliases: Gamma-ECS regulatory subunit; Gamma-glutamylcysteine synthetase regulatory subunit; GCS light chain; GLCLR; Glutamate--cysteine ligase modifier subunit; Glutamate--cysteine ligase regulatory subunit; glutamate-cysteine ligase (gamma-glutamylcysteine s; glutamate-cysteine ligase (gamma-glutamylcysteine synthetase), regulatory (30.8kD); glutamate-cysteine ligase modifier subunit delta2 alternative splicing; glutamate-cysteine ligase regulatory protein; glutamate-cysteine ligase, modifier subunit; GSC light chain
Gene Aliases: AI649393; GCLM; Gcmc; GLCLR
Molecular Function: ligase