PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21491921-9 2011 Binding assays revealed that Lipodox competed with verapamil for binding Pgp and hampered the interaction of colchicine with this transporter. Verapamil 51-60 ATP binding cassette subfamily B member 1 Homo sapiens 73-76