Processed databases
Atom-Mass pairs
Outputs for L-Methionine; LC-ESI-QQ; MS2; CE:30 V; [M+H]+
Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO003334
Synonyms: Met, L-2-Amino-4methylthiobutyric acid, L-Methionine
Total mass: 149.2109
Formula: H11 C5 S1 O2 N1
Experimental information
MS type: MS2
Instrument: API3000, Applied Biosystems
Instrument type: LC-ESI-QQ
Ionization mode: POSITIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks: 42.8, 44.7, 46.0, 55.0, 57.3, 58.1, 60.4, 61.0, 69.3, 72.0, 73.1, 75.1, 78.4, 79.0, 84.9, 86.1, 97.3, 98.2, 101.8, 105.0, 123.4, 133.0,
Processing time: 0:00:02.315595
Results for the quried mass "41.2"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C2N1 | 0.148 | 3 | 0 | C2,C4,N6 |
| C2N1 | 0.148 | 3 | 0 | C4,C5,N6 |
| C3 | 0.128 | 5 | 0 | C2,C3,C4 |
| C2O1 | 0.171 | 1 | 0 | C4,C5,O7 |
| C2O1 | 0.171 | 1 | 0 | C4,C5,O8 |