PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
33447346-3	2020	Phosphorylation of the proline-rich region, by kinases such as Erk2, has been suggested as an upstream activator.	Proline	23-30	mitogen-activated protein kinase 1	Homo sapiens	63-67