immonium ions

Table of immonium ions

Amino Acid       m/z
Arginine       70, 87, 100, 112
Proline       70 (87, 100 112 absent)
Valine       72
Lysine       84 (101 absent)
Leucine/Ile       86
Glutamine       101 (84 absent)
Glutamic       102
Methionine       104
Histidine       110
Phenylalanine       120
CAMCys*       133
CACys**       134
AcrCys***       147
Tyrosine       136
Tryptophan       159
Phosphotyrosine       216
*carboxamidomethylcysteine        
**carboxymethylcysteine        
*** acrylamide modified        

Last Updated on 1/30/15
By PPMAL