CHEBI:60836 - phytochelatin

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ChEBI Name phytochelatin
ChEBI ID CHEBI:60836
Definition A family of peptides related to glutathione and composed of (γ-Glu-Cys)n-Gly where n is in the range 2-11.
Stars This entity has been manually annotated by the ChEBI Team.
Submitter Harold Drabkin
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Formula (C8H11NO4S)nC2H6N2O2
Net Charge 0
Roles Classification
Chemical Role(s): chelator
A ligand with two or more separate binding sites that can bind to a single metallic central atom, forming a chelate.
Biological Role(s): metabolite
Any intermediate or product resulting from metabolism. The term 'metabolite' subsumes the classes commonly known as primary and secondary metabolites.
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ChEBI Ontology
Outgoing phytochelatin (CHEBI:60836) has functional parent glutathione (CHEBI:16856)
phytochelatin (CHEBI:60836) has role chelator (CHEBI:38161)
phytochelatin (CHEBI:60836) has role metabolite (CHEBI:25212)
phytochelatin (CHEBI:60836) is a peptide (CHEBI:16670)
Incoming phytochelatin 2 (CHEBI:64744) is a phytochelatin (CHEBI:60836)
phytochelatin 3 (CHEBI:64745) is a phytochelatin (CHEBI:60836)
phytochelatin 4 (CHEBI:64747) is a phytochelatin (CHEBI:60836)
Synonym Source
phytochelatins ChEBI
Database Link Database
Phytochelatin Wikipedia
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Registry Number Type Source
98726-08-0 CAS Registry Number ChemIDplus
Citation Waiting for Citations Type Source
10889232 PubMed citation Europe PMC
Last Modified
14 May 2014
General Comments
2011-01-31 Phytochelatins are biosynthesised by glutathione γ-glutamylcysteinyltransferase and are found in many plants, yeasts, and algae including cyanobacteria. They act as chelators, and are important for heavy metal detoxification.
2011-01-31 The value of n has been reported as being as high as 11, but is generally in the range of 2 to 5 (see PMID:10889232)