Title : Infrared Multiple-Photon Dissociation Action Spectroscopy of the b2+ Ion from PPG: Evidence of Third Residue Affecting b2+ Fragment Structure.

Pub. Date : 2017 Jul

PMID : 28374317






1 Functional Relationships(s)
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1 In the present case, solution-phase NMR spectroscopy and gas-phase IRMPD action spectroscopy show that the PPG precursor ion has its first amide bond in a trans configuration suggesting that the third residue is playing an important role in both the structure of the peptide and the associated ring-closure barriers for oxazolone and diketopiperazine formation. Diketopiperazines serglycin Homo sapiens