Cysteinum
![](http://upload.wikimedia.org/wikipedia/commons/thumb/1/1a/L-Cystein_-_L-Cysteine.svg/220px-L-Cystein_-_L-Cysteine.svg.png)
L-cysteinum sive L-cysteina (abbreviatura IUPAC:Cys vel C) est α-aminoacidum formulae chemicae HOOC-CH-(NH2)-CH2-SH et simul unum aminoacidorum viginti formationis proteinorum in organismis[1]. In organismo vivo glycino munus neurotransmissoris est.
Cystinum est dimerum duorum cysteinorum, formula (SC(SCH
2CH(NH
2)CO
2H)
2.
Nexus interni
Notae
- ↑ PubChem de cysteino.