Table 1.
Adduct | Ion transitiona |
---|---|
H2N-Val | 374 → 262b |
Me-Val | 381 → 262b |
Et-Val | 396 → 116 |
ENU-Val | 790 → 535c |
HP-Val | 403 → 130 |
HB-Val | 409 → 142 |
pyr-Val | 417 → 158 |
THB-Val | 426 → 176 |
SO-Val | 434 → 192 |
doubly charged precursor ion to a1-fragment
doubly charged precursor ion to y2-fragment
singly charged precursor ion to y5-fragment