PMID-sentid	Pub_year	Sent_text	compound_name	comp_offset	prot_official_name	organism	prot_offset
2085181-6	1990	Orotate phosphoribosyltransferase is assayed at 333 nm with a molar extinction coefficient of 10,300 M-1 cm-1 for the conversion of thioorotate to either 4-thio-OMP or 4-thio-UMP.	4-thio-omp	154-164	uridine monophosphate synthetase	Homo sapiens	0-33