Abstract:SUMOylation is critical for a plethora of cellular signalling pathways including the repair of DNA double-strand breaks (DSBs). If misrepaired, DSBs can lead to cancer, neurodegeneration, immunodeficiency and premature ageing. Based on systematic proteome microarray screening combined with widely applicable carbene footprinting and high-resolution structural profiling, we define two non-conventional SUMO2-binding modules on XRCC4, a DNA repair protein important for DSB repair by non-homologous end-joining (NHE… Show more
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