PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22421144-9 2012 Metformin also decreased the levels of oncogenic proteins Skp2 and beta-Trcp. Metformin 0-9 beta-transducin repeat containing E3 ubiquitin protein ligase Homo sapiens 67-76