Xiao Q, Ju Y, Zhao Y, Cui Y. Characteristic fragmentation behavior of phosphoamino acid conjugates with 3'-azido-3'-deoxythymidine by electrospray ionization tandem mass spectrometry.
RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2003;
17:2273-2278. [PMID:
14558125 DOI:
10.1002/rcm.1186]
[Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The conjugates of phosphoamino acids with 3'-azido-3'-deoxythymidine were synthesized and their structures were determined by various spectral methods. In positive and negative ion electrospray mass spectrometry (ESI-MS), the fragmentation pathways were investigated in conjunction with tandem mass spectrometry (MS/MS). The results showed that there were very different characteristic fragment ions in the positive ion MS/MS spectra and the negative ion MS/MS spectra.
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