Lysine
C₆H₁₄N₂O₂·146.190 g/mol·Amino Acids·CID 5962
Amino AcidEssential
An essential amino acid with a positively charged ε-amino group at physiological pH. Key target for post-translational modifications: acetylation of histone lysines regulates gene expression (epigenetics). Important for collagen cross-linking.