| 释义 |
cystine /ˈsɪstiːn / /ˈsɪstɪn/noun [mass noun] BiochemistryA compound which is an oxidized dimer of cysteine and is the form in which cysteine often occurs in organic tissue.- Chemical formula: C6H12N2O4S2.
The sulfur-containing amino acids are methionine, cysteine, cystine, homocysteine, homocystine, and taurine....- Cysteine in the extracellular space is mostly oxidized to cystine.
- Glutathione conjugation uses Nacetylcysteine, cysteine, and methionine; cystine is used for sulfation; and glucuronidation requires pantothenic acid.
Origin Mid 19th century: from Greek kustis 'bladder' (because it was first isolated from urinary calculi) + -ine4. |