Amino acid

Amino acids are biologically important organic compoonds componed o amine (-NH2) an carboxylic acid (-COOH) functional groups, alang wi a side-cheen specific tae ilk amino acid.[1][2][3] The key elements o an amino acid are caurbon, hydrogen, oxygen, an nitrogen, awtho ither elements are foond in the side cheens o certain amino acids. Aboot 500 amino acids are kent (tho anerly 20 appear in the genetic code) an can be clessifee'd in mony weys.[4] Thay can be clessifee'd accordin tae the core structural functional groups' locations as alpha- (α-), beta- (β-), gamma- (γ-) or delta- (δ-) amino acids; ither categories relate tae polarity, pH level, an side cheen group teep (aliphatic, acyclic, aromatic, conteenin hydroxyl or sulfur, etc.). In the form o proteins, amino acid residues form the seicont-lairgest component (watter is the lairgest) o human muscles an ither tishies.[5] Ayont thair role as residues in proteins, amino acids pairteecipate in a nummer o processes sic as neurotransmitter transport an biosynthesis.


  1. "Amino". 2015. Retrieved 3 Julie 2015.
  2. "amino acid". Cambridge Dictionaries Online. Cambridge University Press. 2015. Retrieved 3 Julie 2015.
  3. "amino". Farlex. 2015. Retrieved 3 Julie 2015.
  4. Wagner I, Musso H (November 1983). "New Naturally Occurring Amino Acids". Angewandte Chemie International Edition in English. 22 (11): 816–28. doi:10.1002/anie.198308161. 
  5. Latham MC (1997). "Chapter 8. Body composition, the functions of food, metabolism and energy". Human nutrition in the developing world. Food and Nutrition Series – No. 29. Rome: Food and Agriculture Organization of the United Nations.