Processed databases
Atom-Mass pairs
Outputs for L-Cysteine; LC-ESI-ITFT; MS2; m/z:122.03; POS
Database: Graduate School of Information Science, NAIST
Entry ID: KNA00146
Synonyms: L-Cysteine, L-2-Amino-3-mercaptopropionic acid
Total mass: 121.1579
Formula: H7 C3 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:
Replicated queried mass peaks: 74.774826, 75.940117,
Processing time: 0:00:00.759552
Results for the quried mass "104.959381"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C3S1O2 | 0.176 | 5 | 0 | C1,C2,C3,O5,O6,S7 |
| C3S1O1N1 | 0.199 | 7 | 0 | C1,C2,C3,N4,O6,S7 |
| C3S1O1N1 | 0.199 | 7 | 1 | C1,C2,C3,N4,O5,S7 |