PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29131436-7 2017 Consistent with the idea that GABAB receptors are coupled to two-pore domain potassium channels, the non-specific blockers quinidine and bupivacaine partially blocked GABAB responses in both layer 5 and CA1 neurons. Quinidine 123-132 carbonic anhydrase 1 Rattus norvegicus 203-206