PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1753946-1 1991 The URA7 gene of Saccharomyces cerevisiae encodes CTP synthetase (EC 6.3.4.2) which catalyses the conversion of uridine 5"-triphosphate to cytidine 5"-triphosphate, the last step of the pyrimidine biosynthetic pathway. pyrimidine 186-196 CTP synthase URA7 Saccharomyces cerevisiae S288C 4-8