Processed databases
Atom-Mass pairs
Outputs for L-Ethionine; LC-ESI-QQ; MS2; CE:50 V; [M+H]+
Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO002878
Synonyms: Ethionine, L-Ethionine
Total mass: 163.2374
Formula: H13 C6 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: 56.2, 74.9,
Processing time: 0:00:01.114973
Results for the quried mass "55.3"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C2O1N1 | 0.265 | 1 | 0 | C5,C6,N7,O8 |
| C2O1N1 | 0.265 | 1 | 0 | C5,C6,N7,O9 |
| C2S1 | 0.221 | 1 | 0 | C2,C4,S10 |
| C2S1 | 0.221 | 1 | 0 | C1,C2,S10 |
| C2S1 | 0.221 | 1 | 0 | C3,C4,S10 |
| C2O2 | 0.288 | 1 | 0 | C5,C6,O8,O9 |
| C3N1 | 0.222 | 5 | 0 | C3,C4,C5,N7 |
| C3N1 | 0.222 | 5 | 0 | C3,C5,C6,N7 |
| C3O1 | 0.245 | 3 | 0 | C3,C5,C6,O8 |
| C3O1 | 0.245 | 3 | 0 | C3,C5,C6,O9 |