Processed databases
Atom-Mass pairs
Outputs for L-Valine; LC-ESI-QQ; MS2; CE:30 V; [M+H]+
Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO004253
Synonyms: Val, 2-Amino-3-methylbutyric acid, L-Valine
Total mass: 117.1459
Formula: H11 C5 O2 N1
Experimental information
MS type: MS2
Instrument: API3000, Applied Biosystems
Instrument type: LC-ESI-QQ
Ionization mode: POSITIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks: 43.0, 43.9, 54.5, 56.0, 57.1, 59.2, 84.7,
Processing time: 0:00:01.481480
Results for the quried mass "42.6"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C2N1 | 0.468 | 5 | 1 | C3,C4,N6 |
| C2N1 | 0.468 | 5 | 2 | C4,C5,N6 |
| C3 | 0.487 | 7 | 0 | C1,C2,C3 |
| C3 | 0.487 | 7 | 2 | C1,C3,C4 |
| C3 | 0.487 | 7 | 2 | C2,C3,C4 |
| C1O2 | 0.402 | 1 | 0 | C5,O7,O8 |
| C2O1 | 0.444 | 3 | 2 | C4,C5,O7 |
| C2O1 | 0.444 | 3 | 1 | C4,C5,O8 |