Processed databases
Atom-Mass pairs
Outputs for L-Methionine; LC-ESI-QQ; MS2; CE:20 V; [M-H]-
Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO001311
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: NEGATIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks:
Processing time: 0:00:01.924124
Results for the quried mass "46.9"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C1O2 | 0.133 | 3 | 2 | C5,O7,O8 |
| C1S1 | 0.199 | 3 | 1 | C3,S9 |
| C1S1 | 0.199 | 3 | 0 | C1,S9 |
| C4 | 0.135 | 1 | 0 | C2,C3,C4,C5 |