Phytochelatins, the Heavy Metal Binding Peptides of Plants: Characterization and Sequence Determination View Full Text


Ontology type: schema:Chapter     


Chapter Info

DATE

1987

AUTHORS

E. Grill

ABSTRACT

The isolation of a homologous series of five novel heavy metal complexing peptides from plant cell suspension cultures is reported. Their structures were established as (γ-Glu-Cys)n Gly, n=3–7. These peptides appear upon induction with heavy metals and represent the principal metal binding activity in induced cells. The name phytochelatin (PC) is proposed for this new class of natural products in higher plants. The hitherto postulated metallothioneins do not exist in plants but their function of chelating heavy metals via metal-thiolate coordination is fulfilled by the simpler phytochelatins. They are not primary gene products because of their repetition of γ-glutamyl linkages. More... »

PAGES

317-322

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/978-3-0348-6784-9_28

DOI

http://dx.doi.org/10.1007/978-3-0348-6784-9_28

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1022149586

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/2959522


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