Co-translationally inserted at UGA when a SECIS element is present. Found in selenoproteins (GPX, TrxR, deiodinases); selenolate is more nucleophilic than the cysteine thiolate at physiological pH.
Co-translationally inserted at UGA when a SECIS element is present. Found in selenoproteins (GPX, TrxR, deiodinases); selenolate is more nucleophilic than the cysteine thiolate at physiological pH.