Processed databases
Atom-Mass pairs
Outputs for Methionine; LC-ESI-ITFT; MS2; CE 45.0 eV; [M+H]+
Database: MPI for Chemical Ecology, Jena, Germany
Entry ID: CE000449
Synonyms: Methionine
Total mass: 149.2109
Formula: H11 C5 S1 O2 N1
Experimental information
MS type: MS2
Instrument: LTQ Orbitrap XL, Thermo Scientfic; HP-1100 HPLC, Agilent
Instrument type: LC-ESI-ITFT
Ionization: ESI
Ionization mode: POSITIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks: 299.241547,
Replicated queried mass peaks: 104.05275, 150.058304,
Processing time: 0:00:01.505715
Results for the quried mass "56.049545"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C2O1N1 | 0.006 | 2 | 0 | C4,C5,N6,O7 |
| C2O1N1 | 0.006 | 2 | 0 | C4,C5,N6,O8 |
| C2S1 | 0.037 | 0 | 0 | C2,C3,S9 |
| C2O2 | 0.029 | 0 | 0 | C4,C5,O7,O8 |
| C3N1 | 0.037 | 6 | 0 | C2,C3,C4,N6 |
| C3N1 | 0.037 | 6 | 1 | C2,C4,C5,N6 |
| C3O1 | 0.014 | 4 | 1 | C2,C4,C5,O7 |
| C3O1 | 0.014 | 4 | 0 | C2,C4,C5,O8 |