Liao, Sha Liang, Yuanjun Zhang, Zhiwei Li, Jinglai Wang, Juan Wang, Xiaoying Dou, Guifang Zhang, Zhenqing Liu, Keliang Tandem collision-induced dissociation (CID) mass spectra of doubly protonated peptide (a) exendin-4(15–39), (b) exendin-4(16–39), and (c) exendin-4(12–39). <p>Precursor ions were generated by electrospray ionization (ESI) using the on-line liquid chromatography (LC)-ESI/tandem mass spectrometry (MS-MS) procedure described in the Methods section.</p> rat tissue homogenates;rat kidney homogenates;degradation;exendin;ms;Vitro Metabolic Stability;rat liver homogenates;liver homogenates;aa;cleavage sites 2015-02-27
    https://plos.figshare.com/articles/figure/_Tandem_collision_induced_dissociation_CID_mass_spectra_of_doubly_protonated_peptide_a_exendin_4_15_8211_39_b_exendin_4_16_8211_39_and_c_exendin_4_12_8211_39_/1319745
10.1371/journal.pone.0116805.g007