Ball & Stick model of L-leucine (L)







Some facts on L-leucine.

1. Abbreviation: Leu.
2. One-letter code: L.
3. Molecular mass: 131 daltons.
4. Side-chain (or R-group) features:
   • Formula: -CH₂-CH-(CH₃)₂;
   • Category: Very hydrophobic;
   • pK_a: none.

Return to image of Leu.







Ball & Stick model of L-isoleucine (I)
Back to Question 2.








Some facts on L-isoleucine.

1. Abbreviation: Ile.
2. One-letter code: I.
3. Molecular mass: 131 daltons.
4. Side-chain (or R-group) features:
   • Formula: -CH-CH₂-CH₃
                           ^\CH₃ ;
   • Category: Very hydrophobic;
   • pK_a: none.

Return to image of Ile.

---

Last modified August 1, 1996