PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23585020-8 2013 DNA replicative stress was identified by associated H2A.X phosphorylation in AICAr-treated cells, which was also prevented by uridine add-back. Uridine 126-133 5-aminoimidazole-4-carboxamide ribonucleotide formyltransferase/IMP cyclohydrolase Homo sapiens 77-82