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Kafader, Jared O; Melani, Rafael D; Durbin, Kenneth R; Ikwuagwu, Bon; Early, Bryan P; Fellers, Ryan T; Beu, Steven C; Zabrouskov, Vlad; Makarov, Alexander A; Maze, Joshua T; Shinholt, Deven L; Yip, Ping F; Tullman-Ercek, Danielle; Senko, Michael W; Compton, Philip D; Kelleher, Neil L
Nature methods, 04/2020, Letnik: 17, Številka: 4Journal Article
An Orbitrap-based ion analysis procedure determines the direct charge for numerous individual protein ions to generate true mass spectra. This individual ion mass spectrometry (I MS) method for charge detection enables the characterization of highly complicated mixtures of proteoforms and their complexes in both denatured and native modes of operation, revealing information not obtainable by typical measurements of ensembles of ions.
