Thiol-bearing amino acid. Forms disulfide (cystine) crosslinks; thiolate is a potent nucleophile (pKa ≈ 8.2); coordinates Zn in zinc fingers and Fe-S clusters; precursor to glutathione.
Thiol-bearing amino acid. Forms disulfide (cystine) crosslinks; thiolate is a potent nucleophile (pKa ≈ 8.2); coordinates Zn in zinc fingers and Fe-S clusters; precursor to glutathione.