Here, we present a protocol to enrich, isolate, identify, and characterize proteins modified by SUMO in vivo both from human hepatoma cells and liver tumors obtained from mouse models of hepatocellular carcinoma by using SUMO-binding entities (SUBEs).
Lopitz-Otsoa, F., Delgado, T. C., Lachiondo-Ortega, S., Azkargorta, M., Elortza, F., Rodríguez, M. S., Martínez-Chantar, M. L. SUMO-Binding Entities (SUBEs) as Tools for the Enrichment, Isolation, Identification, and Characterization of the SUMO Proteome in Liver Cancer. J. Vis. Exp. (153), e60098, doi:10.3791/60098 (2019).