Fig. 4.
Data from peptides belonging to troponin T. a, example mass spectra for light and heavy labeled peptide (DAGVLGLSSAAMER) pairs from the forward labeling measurement. b, example mass spectra for light and heavy labeled peptide (LETEKYDLEER) pairs from the reverse labeling measurement. c, column representation of identification and quantification of all nine identified peptides. d, Western blot analysis of troponin T with β-tubulin as the loading control.