A small peptide with the chemical formula C10H17O6N3S which consists of three amino acids linked together (glutamate -cysteine -glycine). It acts as a reducing agent in redox reactions and helps newly-made proteins fold properly with crosslinks between cysteine residues at different points in the chain. It also plays an important role in the oxidation of tissue.

From the BioTech Dictionary at http://biotech.icmb.utexas.edu/. For further information see the BioTech homenode.

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