Correa, C. N., Fiametti, L. O., Esquinca M. E. M., de Castro, L. M. Sample preparation and relative quantitation using reductive methylation of amines for peptidomics studies. Journal of Visualized Experiments. (177), doi:10.3791/62971 (2021). Vanderwall, D. et al. JUMPn: A streamlined application for protein co-expression clustering and network analysis in proteomics. Journal of Visualized Experiments. (176), doi:10.3791/62796 (2021). Qiu, D., Eisenbeis, V. B., Saiardi, A., Jessen, H. J. Absolute quantitation of inositol pyrophosphates by capillary electrophoresis electrospray ionization mass spectrometry. Journal of Visualized Experiments. (174), doi:10.3791/62847 (2021). Smolen, K. A., Kettenbach, A. N. A mass spectrometry-based approach to identify phosphoprotein phosphatases and their interactors. Journal of Visualized Experiments. (182), doi:10.3791/63805 (2022).