Biologically Active Substance
metallothionein
Subclass of:
Metalloproteins
Definitions related to metallothionein:
  • A family of cysteine-rich proteins that bind to and transport heavy metal ions.
    NCI
    U.S. National Cancer Institute, 2021
  • A low-molecular-weight (approx. 10 kD) protein occurring in the cytoplasm of kidney cortex and liver. It is rich in cysteinyl residues and contains no aromatic amino acids. Metallothionein shows high affinity for bivalent heavy metals.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Low molecular weight protein occurring in the cytoplasm of kidney cortex and liver; rich in cysteinyl residues and contains no aromatic amino acids; shows high affinity for bivalent heavy metals.
    CRISP Thesaurus
    National Institutes of Health, 2006
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