PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
15454439-4	2004	In the Kir3.1/Kir3.4 channel, mutation of an extracellular arginine residue, R155, in the Kir3.4 subunit markedly reduced K+ activation of the channel.	Arginine	59-67	potassium inwardly rectifying channel subfamily J member 3	Homo sapiens	7-13