PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 35420136-3 2022 Using systematic human proteome microarray screening combined with widely applicable carbene footprinting, genetic code expansion and high-resolution structural profiling, we define two non-conventional and topology-selective SUMO2-binding regions on XRCC4, a DNA repair protein important for DSB repair by non-homologous end-joining (NHEJ). carbene 85-92 X-ray repair cross complementing 4 Homo sapiens 251-256