PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34916829-2 2021 Deficiency of the critical metabolic enzyme dihydropyrimidine dehydrogenase (DPD) leads to excessive toxicity on exposure to fluoropyrimidine chemotherapy. dihydropyrimidine 44-61 dihydropyrimidine dehydrogenase Homo sapiens 77-80