Leucine
 
Abbreviations: Leu, L
Properties
Class: Aliphatic, hydrophobic  
pK(COO-):  2.36 
pK(NH3+): 9.60
pK(R): 
pI: 5.98 
MW: 131 D 
Occurence in Proteins: 7.5%
 
 
 
Characteristics
 
 high occurence in beta sheet