MassIVE MSV000085782

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MetaboLights MTBLS142 - GNPS Collected tandem mass spectrometry data on monoterpene indole alkaloids from natural product chemistry research

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Description

MIADB: a cumulative collection of 172 tandem mass spectrometry (MS/MS) of a vast array of monoterpene indole alkaloids. Samples were analyzed using an Agilent LC-MS system composed of an Agilent 1260 Infinity HPLC coupled to an Agilent 6530 ESI-Q-TOF-MS operating in positive mode. A Sunfire analytical C18 column (150 × 2.1 mm; i.d. 3.5 ?m, Waters) was used, with a flow rate of 250 ?L/min and a linear gradient from 5% B (A: H2O + 0.1% formic acid, B: MeOH) to 100% B over 30 min. ESI conditions were set with the capillary temperature at 320 °C, source voltage at 3.5 kV, and a sheath gas flow rate of 10 L/min. The divert valve was set to waste for the first 3 min. There were four scan events: positive MS, window from m/z 100?1200, then three data-dependent MS/MS scans of the first, second, and third most intense ions from the first scan event. MS/MS settings were three fixed collision energies (30, 50, and 70 eV), default charge of 1, minimum intensity of 5000 counts, and isolation width of m/z 2. In the positive-ion mode, purine C5H4N4 [M + H]+ ion (m/z 121.050873) and the hexakis(1H,1H,3H-tetrafluoropropoxy)-phosphazene C18H18F24N3O6P3 [M + H]+ ion (m/z 922.009 798) were used as internal lock masses. Full scans were acquired at a resolution of 11 000 (at m/z 922). A permanent MS/MS exclusion list criterion was set to prevent oversampling of the internal calibrant. [dataset license: CC0 1.0 Universal (CC0 1.0)]

Keywords: GNPS Metabolomics MetaboLights

Contact

Principal Investigators:
(in alphabetical order) 		Mehdi Beniddir, Universit� Paris-Sud, Equipe Pharmacognosie-Chimie des Substances Nature
Submitting User: caceves
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