Processed databases
Atom-Mass pairs
Outputs for Glutamic acid; LC-ESI-QTOF; MS2; CE:20 eV; [M+H]+
Database: Institute of Plant Biochemistry, Halle, Germany
Entry ID: PB000463
Synonyms: Glutamic acid , 2-aminopentanedioic acid
Total mass: 147.1289
Formula: H9 C5 O4 N1
Experimental information
MS type: MS2
Instrument: API QSTAR Pulsar i
Instrument type: LC-ESI-QTOF
Ionization: ESI
Ionization mode: POSITIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks: 85.028,
Processing time: 0:00:01.083127
Results for the quried mass "56.049"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C2O1N1 | 0.006 | 2 | 0 | C3,C5,N6,O9 |
| C2O1N1 | 0.006 | 2 | 0 | C3,C5,N6,O10 |
| C2O2 | 0.029 | 0 | 0 | C2,C4,O7,O8 |
| C2O2 | 0.029 | 0 | 0 | C3,C5,O9,O10 |
| C3N1 | 0.037 | 6 | 0 | C1,C2,C3,N6 |
| C3N1 | 0.037 | 6 | 1 | C1,C3,C5,N6 |
| C3O1 | 0.014 | 4 | 0 | C1,C2,C4,O7 |
| C3O1 | 0.014 | 4 | 0 | C1,C2,C4,O8 |
| C3O1 | 0.014 | 4 | 1 | C1,C3,C5,O9 |
| C3O1 | 0.014 | 4 | 0 | C1,C3,C5,O10 |