PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23863152-9 2013 Under conditions of chronic insulin exposure, inactive serine-phosphorylated IRS-1 and Fbw8 co-localize to the cytosol where the former becomes ubiquitylated via CUL7/Fbw8. Serine 55-61 F-box and WD repeat domain containing 8 Homo sapiens 167-171