Processed databases
Atom-Mass pairs
Outputs for D-5-Oxoproline; LC-ESI-QQ; MS2; CE:50 V; [M-H]-
Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO001700
Synonyms: D-5-Oxoproline, 5-Oxo-D-proline, D-Pyroglutamic acid, D-5-Pyrrolidone-2-carboxylic acid
Total mass: 129.1137
Formula: H7 C5 O3 N1
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:
Processing time: 0:00:00.387471
Results for the quried mass "52.2"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C2O1N1 | 0.188 | 2 | 0 | C2,C4,N6,O7 |
| C2O1N1 | 0.188 | 2 | 0 | C3,C4,N6,O7 |
| C2O1N1 | 0.188 | 2 | 1 | C3,C5,N6,O8 |
| C2O1N1 | 0.188 | 2 | 0 | C3,C5,N6,O9 |
| C3N1 | 0.145 | 2 | 0 | C2,C3,C4,N6 |
| C3N1 | 0.145 | 2 | 0 | C1,C2,C3,N6 |
| C3N1 | 0.145 | 2 | 1 | C3,C4,C5,N6 |
| C3N1 | 0.145 | 2 | 0 | C1,C3,C4,N6 |
| C3N1 | 0.145 | 2 | 0 | C1,C2,C4,N6 |
| C3N1 | 0.145 | 2 | 0 | C1,C3,C5,N6 |
| C3O1 | 0.169 | 0 | 0 | C1,C2,C4,O7 |
| C3O1 | 0.169 | 0 | 0 | C1,C3,C5,O8 |
| C3O1 | 0.169 | 0 | 0 | C1,C3,C5,O9 |
| C4 | 0.126 | 4 | 0 | C1,C2,C3,C5 |
| C4 | 0.126 | 4 | 0 | C1,C2,C3,C4 |