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Resolution and mass accuracy of A, a peptide isotope cluster (m/z 558.8063, r = 33k) and B, Fd unit of Adalimumab (m/z 25442.5157, r = 63k, 0.26 ppm). Overall improvement of the resolution with the improved detector, C, and the achieved mass accuracy dependent on the summed peptide intensity, D, in a shotgun proteomics experiment using the QTOF optimized version of MaxQuant.
