alanine (plural alanines)
- (biochemistry, uncountable) A nonessential amino acid 2-aminopropanoic acid found in most animal proteins
- Potatoes can be a good source of alanine.
- (countable) A specific residue, molecule, or isomer of this amino acid
- Two alanines are replaced by prolines.
nonessential amino acid; C3H7NO2