phytochelatin

https://doi.org/10.1351/goldbook.14917
Class of cysteine-rich peptides in plants that are induced by and bind to metals. They can function in the regulation and detoxification of metals by plants.
Source:
PAC, 2009, 81, 829. (Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)) on page 927 [Terms] [Paper]