Processed databases
Atom-Mass pairs
Outputs for gamma-Guanidinobutyric acid; LC-ESI-QQ; MS2; CE:30 V; [M-H]-
Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO000870
Synonyms: g-Guanidinobutyrate, 4-Guanidinobutanoate, gamma-Guanidinobutyric acid
Total mass: 145.1593
Formula: H11 C5 O2 N3
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: 41.1, 41.7, 55.8, 80.8, 84.2, 104.1,
Processing time: 0:00:01.854472
Results for the quried mass "40.2"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C3 | 0.136 | 4 | 0 | C1,C2,C3 |
| C3 | 0.136 | 4 | 0 | C1,C2,C4 |
| C2N1 | 0.156 | 2 | 0 | C3,C5,N8 |
| C2N1 | 0.156 | 2 | 0 | C1,C3,N8 |
| C1N2 | 0.176 | 0 | 0 | C5,N6,N7 |
| C1N2 | 0.176 | 0 | 0 | C5,N6,N8 |
| C1N2 | 0.176 | 0 | 0 | C5,N7,N8 |
| C2O1 | 0.179 | 0 | 0 | C2,C4,O9 |
| C2O1 | 0.179 | 0 | 0 | C2,C4,O10 |