Cysteine: A non-essential sulfur-containing amino acid in humans, related to cystine, Cysteine is important for protein synthesis, detoxification, and diverse metabolic functions. Found in beta-keratin, the main protein in nails, skin, and hair, Cysteine is important in collagen production, as well as skin elasticity and texture. Also required in the manufacture of amino acid taurine, Cysteine is a component of the antioxidant glutathione, and plays a role in the metabolism of essential biochemicals such as coenzyme A, heparin, and biotin. (NCI04)
Source: Diseases Database
Cysteine: primary aminoacid with the side group -CH2SH, capable of forming disulfide bonds (cystine) with other cysteine residues to stabilize protein tertiary and oligomeric structure.
Source: CRISP
Cysteine: A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.
Source: MeSH 2007
Source - MeSH 2007
Source - CRISP
Source - MeSH 2007
Source - CRISP
The following list attempts to classify Cysteine into categories where each line is subset of the next.
Source: Diseases Database
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