Processed databases
Atom-Mass pairs
Outputs for Cysteine; LC-ESI-QTOF; MS2; CE:30 eV; [M+H]+
Database: Institute of Plant Biochemistry, Halle, Germany
Entry ID: PB000439
Synonyms: Cysteine , 2-amino-3-sulfanylpropanoic acid
Total mass: 121.1579
Formula: H7 C3 S1 O2 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: 43.043, 58.996,
Processing time: 0:00:01.173563
Results for the quried mass "42.034"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C2N1 | 0.026 | 4 | 0 | C1,C2,N4 |
| C2N1 | 0.026 | 4 | 1 | C2,C3,N4 |
| C1O2 | 0.040 | 2 | 1 | C3,O5,O6 |
| C2O1 | 0.003 | 2 | 1 | C2,C3,O5 |
| C2O1 | 0.003 | 2 | 0 | C2,C3,O6 |