cysteine
noun
No English definition recorded for this entry.
L319030 on Wikidata ↗Wiktionary
Pronunciation: /ˈsɪs.təˌiːn/ / /ˈsɪs.tə.ɪn/ / /ˈsɪs.tiˌiːn/
noun
Etymology: An alteration of cystine, see -eine.
- A sulphur-containing nonessential amino acid C₃H₇NO₂S found in most animal proteins; it readily oxidizes to cystine.