PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2549064-5	1989	There is a smaller reduction in GTPase activity in another mutant in which valine replaces glycine 49 (corresponding to glycine 12 of p21ras).	Glycine	91-98	Harvey rat sarcoma virus oncogene	Mus musculus	134-140