Processed databases
Atom-Mass pairs
Outputs for Tyrosine; LC-ESI-QTOF; MS2; CE:30 eV; [M+H]+
Database: Institute of Plant Biochemistry, Halle, Germany
Entry ID: PB000413
Synonyms: Tyrosine , 2-amino-3-(4-hydroxyphenyl)propanoic acid
Total mass: 181.1881
Formula: H11 C9 O3 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: 92.057, 94.063, 95.05, 105.046, 108.081, 118.067, 119.052, 121.066, 124.048, 137.073, 166.988,
Processing time: 0:00:02.378041
Results for the quried mass "81.071"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C4O1N1 | 0.002 | 3 | 0 | C5,C6,C8,C9,N10,O12 |
| C4O1N1 | 0.002 | 3 | 0 | C5,C6,C8,C9,N10,O13 |
| C5N1 | 0.044 | 7 | 0 | C1,C2,C5,C6,C8,N10 |
| C5N1 | 0.044 | 7 | 0 | C1,C3,C5,C6,C8,N10 |
| C5N1 | 0.044 | 7 | 1 | C1,C5,C6,C8,C9,N10 |
| C5N1 | 0.044 | 7 | 0 | C2,C4,C5,C6,C8,N10 |
| C5N1 | 0.044 | 7 | 1 | C2,C5,C6,C8,C9,N10 |
| C5O1 | 0.021 | 5 | 1 | C1,C2,C4,C6,C7,O11 |
| C5O1 | 0.021 | 5 | 1 | C1,C5,C6,C8,C9,O12 |
| C5O1 | 0.021 | 5 | 0 | C1,C5,C6,C8,C9,O13 |
| C5O1 | 0.021 | 5 | 0 | C1,C2,C3,C4,C7,O11 |
| C5O1 | 0.021 | 5 | 1 | C1,C2,C3,C6,C7,O11 |
| C5O1 | 0.021 | 5 | 0 | C1,C3,C5,C6,C7,O11 |
| C5O1 | 0.021 | 5 | 1 | C2,C5,C6,C8,C9,O12 |
| C5O1 | 0.021 | 5 | 0 | C2,C5,C6,C8,C9,O13 |
| C5O1 | 0.021 | 5 | 0 | C2,C4,C5,C6,C7,O11 |
| C5O1 | 0.021 | 5 | 1 | C2,C3,C4,C6,C7,O11 |
| C5O1 | 0.021 | 5 | 1 | C1,C3,C4,C6,C7,O11 |
| C4O2 | 0.022 | 1 | 0 | C5,C6,C8,C9,O12,O13 |