Other nutrients that assist in detoxifying the body, including methionine, cysteine, and other amino acids, may also be helpful.
amino acids cysteine and methionine.
Deprotonation of the cysteine sulfhydryl by an adjacent histidine residue is followed by nucleophilic attack of the cysteine S on the peptide carbonyl carbonyl carbon.
Once activated caspases act as cysteine proteases, using a cysteine side chain for catalyzing peptide bond cleavage at aspartyl residues in their substrates.
Firstly, asparagus contains a number of sulfur containing chemicals including the amino acids cysteine and methionine.