PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2721439-4	1989	A bimodal pattern of ERn was seen, with peaks at 1 and 8 h. Further biochemical analysis of uterine samples showed that both peaks were comprised of similar levels of salt-resistant ERn forms.	Salts	167-171	estrogen receptor 1	Homo sapiens	182-185