Sulfur amino acid
Sulfur amino acid, sulfur-containing amino acid, or SAA is an amino acid containing element sulfur.[1]
Common sulfur amino acids include:
- Proteinogenic amino acids
- Cysteine (Cys, C)
- Methionine (Met or M), an essential amino acid in humans
- Metabolic products:
- Cystine, a cysteine dimer, and an oxidation product of cysteine
- Homocysteine (Hcy)
- Homocystine, a homocysteine dimer, and an oxidation product of homocysteine
- Cystathionine, produced by the transsulfuration pathway
- S-Adenosyl methionine (SAM, SAMe, SAM-e, AdoMet), a common cofactor in methyltransferases
- S-Adenosyl homocysteine (SAH), a side product of biomethylation by methyltransferases
See also
[edit]- Homologous series, for homo- prefix
- Cysteine metabolism
- Taurine, sulfur-containing acidic compound with amino group, but not classified as amino acid. The compound is a sulfonic acid, and amino acid definition only allows carboxylic acids.
- List of MeSH codes (D02) § MeSH D02.886.030 – amino acids, sulfur
- List of MeSH codes (D12.125) § MeSH D12.125.166 – amino acids, sulfur
References
[edit]- ↑ "CHEBI:26834 - sulfur-containing amino acid". ChEBI. 11 August 2021. Retrieved 27 March 2025.
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