IUBMB Enzyme Nomenclature

EC 2.3.2.15

Accepted name: glutathione γ-glutamylcysteinyltransferase

Reaction: glutathione + [Glu(-Cys)]n-Gly = Gly + [Glu(-Cys)]n+1-Gly

Other name(s): phytochelatin synthase; γ-glutamylcysteine dipeptidyl transpeptidase

Systematic name: glutathione:poly(4-glutamyl-cysteinyl)glycine 4-glutamylcysteinyltransferase

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 125390-02-5

References:

1. Grill, E., Löffler, S., Winnacker, E.-L. and Zenk, M.H. Phytochelatins, the heavy-metal-binding peptides of plants, are synthesized from glutathione by a specific γ-glutamylcysteine dipeptidyl transpeptidase (phytochelatin synthase). Proc. Natl. Acad. Sci. USA 86 (1989) 6838-6842.

[EC 2.3.2.15 created 1992]


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