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Sulfur amino acid metabolism

Stable Identifier
Homo sapiens
Locations in the PathwayBrowser

The main sulfur amino acids are methionine, cysteine, homocysteine and taurine. Of these, the first two are proteinogenic.

This group of reactions contains all processes that 1) break down sulfur amino acids, 2) interconvert between them, and 3) synthesize them from solved sulfide which comes from sulfate assimilation and reduction. Only plants and microorganisms employ all processes. Humans cannot de novo synthesize any sulfur amino acid, nor convert cysteine to methionine (Brosnan & Brosnan, 2006).

Literature References
PubMed ID Title Journal Year
16702333 The sulfur-containing amino acids: an overview J Nutr 2006
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