PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9684721-6 1998 With hKvLQT1 co-expressed with hIsK, bupivacaine bound preferentially at negative voltages when channels were in the closed state, and unbound at depolarized voltages when channels opened. Bupivacaine 37-48 potassium voltage-gated channel subfamily Q member 1 Homo sapiens 5-12