PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
8993337-6	1997	We previously reported the identification of four phosphorylation sites in chicken progesterone receptor using oviduct tissue minces labeled with [32P]PO4 under nonequilibrium conditions.	po4	151-154	progesterone receptor	Gallus gallus	83-104