PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6408486-5 1983 Hydroxyurea, novobiocin and aphidicolin, inhibitors of ribonucleotide reductase, topoisomerase and DNA polymerase alpha, respectively, all inhibit thymidylate synthase in intact S phase CHEF/18 cells, but not in their soluble extracts. Novobiocin 13-23 thymidylate synthase Cricetulus griseus 147-167