PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
14679214-7	2004	A proline-rich sequence of Son of Sevenless also specifically bound Grb2, demonstrating that the screen maintains specificity with low affinity interactions.	Proline	2-9	growth factor receptor bound protein 2	Homo sapiens	68-72