Processed databases
Atom-Mass pairs
Outputs for gamma-Guanidinobutyric acid; LC-ESI-QQ; MS2; CE:20 V; [M+H]+
Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO002960
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: POSITIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks: 44.8, 56.1, 61.2, 68.1, 69.1, 84.4, 87.2, 92.8, 101.1, 129.1,
Processing time: 0:00:02.300573
Results for the quried mass "54.9"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C2N2 | 0.159 | 3 | 0 | C3,C5,N6,N8 |
| C2N2 | 0.159 | 3 | 0 | C3,C5,N7,N8 |
| C2O2 | 0.112 | 1 | 0 | C2,C4,O9,O10 |
| C3N1 | 0.178 | 5 | 0 | C1,C3,C5,N8 |
| C3N1 | 0.178 | 5 | 0 | C1,C2,C3,N8 |
| C3O1 | 0.155 | 3 | 0 | C1,C2,C4,O9 |
| C3O1 | 0.155 | 3 | 0 | C1,C2,C4,O10 |
| C4 | 0.198 | 7 | 1 | C1,C2,C3,C4 |