PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
12611901-0	2003	The K+ channel KZM1 mediates potassium uptake into the phloem and guard cells of the C4 grass Zea mays.	Potassium	29-38	potassium channel 3	Zea mays	15-19