Threonine

An essential amino acid with a hydroxyl group that can be phosphorylated — a key post-translational modification in cell signaling. The last of the 20 standard amino acids to be discovered (1936). Important for collagen, elastin, and tooth enamel.

Also known as: threonine, 72-19-5, (2S,3R)-2-amino-3-hydroxybutanoic acid, Threonin, L-(-)-Threonine (+14 more)