PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2406252-4	1990	N-Terminal sequencing has revealed that all three forms start with proline, which is the second amino acid expected from the RAS2 gene sequence.	Proline	67-74	Ras family GTPase RAS2	Saccharomyces cerevisiae S288C	125-129