Definition
cystine
noun
- A compound formed by the oxidation of two cysteine amino acids; found in proteins and important in biochemistry.
Usage: biochemistry; chemistry
Examples
- Cystine is a dimer of the amino acid cysteine.
- The disulfide bond in cystine helps stabilize protein structure.
- Cystine levels can be measured in blood and urine tests.
- Cystinosis is a rare genetic disorder affecting cystine metabolism.
- Hair and nails contain significant amounts of cystine.