Processed databases
Atom-Mass pairs
Outputs for Histidine; LC-ESI-QTOF; MS2; CE 20 ev; [M-H]-
Database: Institute of Biological Chemistry, Washington State University
Entry ID: BML01100
Synonyms: Histidine
Total mass: 155.1542
Formula: H9 C6 O2 N3
Experimental information
MS type: MS2
Instrument: Agilent 1200 RRLC; Agilent 6520 QTOF
Instrument type: LC-ESI-QTOF
Ionization mode: NEGATIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks: 106.995, 107.0202, 108.4412, 108.5586, 109.0375, 109.0846, 110.072, 110.1712, 112.6568, 118.0671, 118.3419, 136.1597, 137.003, 137.0347, 137.0719, 137.0874, 137.1432, 137.3026, 137.476, 154.0613,
Processing time: 0:00:01.229964
Results for the quried mass "106.0393"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C5N3 | 0.066 | 4 | 0 | C1,C2,C3,C4,C5,N7,N8,N9 |
| C5O2N1 | 0.020 | 0 | 0 | C1,C2,C4,C5,C6,N7,O10,O11 |
| C4O2N2 | 0.000 | 2 | 0 | C1,C4,C5,C6,N7,N9,O10,O11 |