PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32661439-6 2020 Additionally, disrupting this pathway creates resistance to 5-fluoroorotic acid, which enables positive selection of UMPS-knockout cells. 5-fluoroorotic acid 60-79 uridine monophosphate synthetase Homo sapiens 117-121