Leucine

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Leu-stick.png
Image:Leu-stick.png

Leucine is one of the 20 most common amino acids on Earth, and coded for by DNA. It is isomeric with isoleucine. Nutritionally, in humans, leucine is an essential amino acid.

  • Chemical formula: NH2CH(C4H9)COOH
  • Abbreviation: Leu / L
  • Mass: 131.2
  • pK1 (α-COOH): 2.33
  • pK2 (α-NH3+): 9.74
  • Protein Occurrence: 9.1%

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