Processed databases
Atom-Mass pairs
Outputs for L-Methionine; LC-ESI-QQ; MS2; CE:10 V; [M+H]+
Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO003332
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: 168.1,
Replicated queried mass peaks: 50.1, 60.7, 73.9, 75.9, 76.9, 83.1, 83.8, 85.4, 87.0, 91.7, 96.9, 101.0, 102.0, 105.4, 115.3, 133.1, 151.0,
Processing time: 0:00:02.374173
Results for the quried mass "85.1"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C4O1N1 | 0.004 | 7 | 0 | C2,C3,C4,C5,N6,O7 |
| C4O1N1 | 0.004 | 7 | 0 | C2,C3,C4,C5,N6,O8 |
| C4S1 | 0.047 | 5 | 0 | C2,C3,C4,C5,S9 |
| C3O2N1 | 0.039 | 3 | 0 | C2,C4,C5,N6,O7,O8 |
| C3S1N1 | 0.028 | 3 | 0 | C2,C3,C4,N6,S9 |
| C4O2 | 0.019 | 5 | 0 | C2,C3,C4,C5,O7,O8 |