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. 1985 Nov 8;230(4726):674-6.
doi: 10.1126/science.230.4726.674.

Phytochelatins: the principal heavy-metal complexing peptides of higher plants

E Grill, E L Winnacker, M H Zenk

Phytochelatins: the principal heavy-metal complexing peptides of higher plants

E Grill et al. Science. .

Abstract

A set of novel heavy-metal complexing peptides was isolated from plant cell suspension cultures; the structure of the peptides was established as (gamma-glutamic acid-cysteine)n-glycine (n = 3 to 7). These peptides appear upon induction of plant cells with heavy metals and represent the principal metal-binding activities in the cells. The name phytochelatin is proposed for this new class of natural products.

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