Processed databases
Atom-Mass pairs
Outputs for L-Histidine; LC-ESI-QTOF; MS2; CE:Ramp 5-60 V; [M-H]-
Database: Plant Science Center, RIKEN
Entry ID: PR100495
Synonyms: L-Histidine, L-His, L-alpha-Amino-beta-imidazolepropionic Acid, Glyoxaline-5-alanine, (S)-2-Amino-3-(4-imidazolyl)propionic acid
Total mass: 155.1542
Formula: H9 C6 O2 N3
Experimental information
MS type: MS2
Instrument: UPLC Q-Tof Premier, Waters
Instrument type: LC-ESI-QTOF
Ionization: ESI
Ionization mode: NEGATIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks: 81.0462, 110.0719, 137.0352,
Processing time: 0:00:01.464520
Results for the quried mass "80.0388"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C3O2N1 | 0.017 | 2 | 0 | C1,C5,C6,N7,O10,O11 |
| C5O1 | 0.046 | 4 | 0 | C1,C2,C4,C5,C6,O10 |
| C5O1 | 0.046 | 4 | 0 | C1,C2,C4,C5,C6,O11 |
| C4O1N1 | 0.026 | 2 | 0 | C1,C4,C5,C6,N7,O10 |
| C4O1N1 | 0.026 | 2 | 0 | C1,C4,C5,C6,N9,O10 |
| C4O1N1 | 0.026 | 2 | 0 | C1,C4,C5,C6,N7,O11 |
| C4O1N1 | 0.026 | 2 | 0 | C1,C4,C5,C6,N9,O11 |
| C5N1 | 0.069 | 6 | 2 | C1,C2,C4,C5,C6,N8 |
| C5N1 | 0.069 | 6 | 1 | C1,C2,C3,C4,C5,N8 |
| C5N1 | 0.069 | 6 | 1 | C1,C3,C4,C5,C6,N9 |
| C5N1 | 0.069 | 6 | 0 | C1,C2,C3,C4,C5,N9 |
| C5N1 | 0.069 | 6 | 1 | C1,C2,C4,C5,C6,N9 |
| C5N1 | 0.069 | 6 | 0 | C1,C2,C4,C5,C6,N7 |
| C4N2 | 0.049 | 4 | 0 | C1,C2,C3,C4,N8,N9 |
| C4O2 | 0.003 | 0 | 0 | C1,C4,C5,C6,O10,O11 |