Processed databases
Atom-Mass pairs
Outputs for L-Methionine; LC-ESI-ITFT; MS2; m/z:193.07; POS
Database: Graduate School of Information Science, NAIST
Entry ID: KNA00302
Synonyms: L-Methionine, Methionine, L-2-Amino-4methylthiobutyric acid
Total mass: 149.2109
Formula: H11 C5 S1 O2 N1
Experimental information
MS type: MS2
Instrument: LTQ Orbitrap XL, Thermo Scientfic
Instrument type: LC-ESI-ITFT
Ionization: ESI
Ionization mode: POSITIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks: 170.051758,174.187393,184.539063,250.239075,284.15799,
Replicated queried mass peaks: 136.053329, 170.786667,
Processing time: 0:00:01.196298
Results for the quried mass "87.988983"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C4O1N1 | 0.139 | 10 | 2 | C2,C3,C4,C5,N6,O8 |
| C3O2N1 | 0.096 | 6 | 0 | C2,C4,C5,N6,O7,O8 |
| C3S1N1 | 0.162 | 6 | 0 | C2,C3,C4,N6,S9 |
| C4O2 | 0.116 | 8 | 2 | C2,C3,C4,C5,O7,O8 |