title: Are the majority of a(2)-ions cyclic?
abstract: Detailed analysis of >18 400 high-mass accuracy tandem mass spectra resulting from higher energy collisional dissociation yields further evidence of the cyclic nature of a(2)-ions.
authors.affiliation: Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden.
authors.forename: David M
authors.initials: DM
authors.lastname: Good
authors.forename: Consuelo
authors.initials: C
authors.lastname: Marin-Vicente
authors.forename: Roman A
authors.initials: RA
authors.lastname: Zubarev
mesh_terms: D054659:Diketopiperazines / Q000737:chemistry; D007477:Ions / Q000737:chemistry*; D010081:Oxazolone / Q000737:chemistry; D053719:Tandem Mass Spectrometry
chemical_list: D054659:Diketopiperazines; D007477:Ions; D010081:Oxazolone