Isoleucine
 
Abbreviations: Ile,I 
Properties
Class: Aliphatic, hydrophobic  
pK(COO-):  2.36 
pK(NH3+): 9.68 
pK(R): 
pI: 6.02 
MW: 131 D 
Occurence in Proteins: 4.6% 
 
 
 
Characteristics
 
 high occurence in beta sheet