期刊
CHEMPHYSCHEM
卷 10, 期 17, 页码 3097-3100出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cphc.200900537
关键词
anions; glutathione; mass spectrometry; peptides; photoelectron spectroscopy
资金
- US National Science Foundation [0809258]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [0809258] Funding Source: National Science Foundation
Gas-phase intrinsic structures of intact neutral and anionic glutathione (GSH) have been determined by means of a combination of negative ion photo-electron spectroscopy and quantum chemistry calculations. The inferred structures of the neutral parents of those peptide anions are canonical (non-zwitterionic). These intrinsic structures are compared to those already known in aqueous solution or determined by crystallography in binding sites of enzymes.
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