PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23350547-4 2013 In this study, a yeast three-hybrid system revealed that the NPC1 cytoplasmic tail directly interacts with the clathrin adaptor protein AP-1 via its acidic/di-leucine motif. di-leucine 156-166 Jun proto-oncogene, AP-1 transcription factor subunit Homo sapiens 136-140