Processed databases
Atom-Mass pairs
Outputs for GABA; LC-ESI-QQ; MS2; CE:40 V; [M+H]+
Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO002031
Synonyms: GABA, 4-Aminobutanoate, 4-Aminobutyrate, gamma-Aminobutyric acid, 4-Aminobutanoic acid, 4-Aminobutylate, 4-Aminobutyric acid
Total mass: 103.1194
Formula: H9 C4 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: 43.1, 69.2,
Processing time: 0:00:01.098325
Results for the quried mass "38.9"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C3 | 0.156 | 3 | 0 | C1,C2,C4 |
| C3 | 0.156 | 3 | 0 | C1,C2,C3 |
| C2N1 | 0.136 | 1 | 0 | C1,C3,N5 |
| C2O1 | 0.113 | 1 | 0 | C2,C4,O6 |
| C2O1 | 0.113 | 1 | 0 | C2,C4,O7 |