Biologically Active Substance
cystathionine
[ sis-tuh-thahy-uh-neen, -nin ]
Subclass of:
Amino Acids, Diamino; Amino Acids, Sulfur
Definitions related to cystathionine:
  • An amino acid derivative that is an intermediate in the biosynthesis of cysteine. It is the product of the ligation of homocysteine and serine by cystathionine beta synthase.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • Sulfur-containing amino acid formed as an intermediate in the conversion of METHIONINE to CYSTEINE.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
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