PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32389638-14 2020 Extracellular conversion of NMN to NR by CD73 localized in the luminal surface of endothelial cells represent important vasoprotective mechanisms to maintain intracellular NAD. Phenobarbital 63-70 5' nucleotidase, ecto Mus musculus 41-45