PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20634894-7 2010 Mutations in the di-arginine motif of the Sigma 1-type opioid receptor, the beta-subunit of the signal recognition particle receptor, and Sterol-O-acyltransferase, three proteins identified in our bioinformatic screen also caused mislocalization of these known ER-resident proteins. di-arginine 17-28 sigma non-opioid intracellular receptor 1 Homo sapiens 42-70