PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
21750123-12	2011	However, the loading of GTP on Rap1 per se is not sufficient to promote activation of beta2 integrins.	Guanosine Triphosphate	24-27	RAP1A, member of RAS oncogene family	Homo sapiens	31-35