PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
1915291-5	1991	In the present study, we analyzed the function of the WS motif of IL-2R beta (Trp194-Ser195-Pro196-Trp197-Ser198) with the use of site-directed mutagenesis.	Tungsten	54-56	interleukin 2 receptor subunit beta	Homo sapiens	66-76