gamma-glutamyl cycle


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γ-glu·tam·yl cy·cle

a proposed pathway for the glutathione-dependent transport of certain amino acids (most notably l-cystine, l-methionine, and l-glutamine) and dipeptides into certain cells; this cycle requires the formation of γ-glutamyl amino acids and γ-glutamyl dipeptides as well as a protein for the translocation of these di- and triisopeptides into the cells.

γ-glutamyl cycle

a mechanism involved in the transport of certain amino acids into cells in such tissues as the intestine, brain and kidney.
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