PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
8097566-4	1993	However, the competition curves for guanoxabenz were definitely biphasic and resolved into two site fits, indicating that guanoxabenz was binding to both high affinity (Kd = 35 nmol/l) and low affinity (Kd = 8900 nmol/l) alpha 2A-adrenoceptor sites in the proportions 57% and 43%, respectively.	guanoxabenz	122-133	adrenoceptor alpha 2A	Rattus norvegicus	221-242