PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8966547-4 1992 The channels encoded by KAT1 are highly selective for K+ over other monovalent cations, are blocked by tetraethylammonium and barium, and have a single channel conductance of 28 +/- 7 picosiemens with 118 millimolar K+ in the bathing solution. Barium 126-132 1 Arabidopsis thaliana 24-28