Processed databases
Atom-Mass pairs
Outputs for Guanine; LC-ESI-ITFT; MS2; m/z:136.06; POS
Database: Graduate School of Information Science, NAIST
Entry ID: KNA00166
Synonyms: Guanine, 2-Amino-6-hydroxypurine
Total mass: 151.1259
Formula: H5 C5 O1 N5
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: 108.047546, 108.915878,
Processing time: 0:00:01.093648
Results for the quried mass "80.744125"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C2O1N3 | 0.289 | 1 | 0 | C4,C5,N6,N9,N10,O11 |
| C3O1N2 | 0.309 | 1 | 0 | C2,C4,C5,N6,N10,O11 |
| C3O1N2 | 0.309 | 1 | 0 | C1,C2,C4,N7,N8,O11 |
| C3O1N2 | 0.309 | 1 | 0 | C1,C2,C4,N7,N10,O11 |
| C2N4 | 0.312 | 1 | 0 | C3,C5,N6,N8,N9,N10 |
| C3N3 | 0.332 | 3 | 0 | C1,C3,C5,N6,N8,N9 |
| C3N3 | 0.332 | 3 | 0 | C1,C2,C3,N7,N8,N9 |