PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
9972254-2	1998	Using conventional genetic techniques, four mutant genes concerned in uracil biosynthesis were identified and denoted as ura1, ura2, ura3, and ura4.	Uracil	70-76	orotidine-5'-phosphate decarboxylase	Saccharomyces cerevisiae S288C	133-137