PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30176535-4 2018 The clofarabine-containing compound (2) was shown to be more potent than APCP with IC50 values of 0.18 muM (vs. 3.8 muM) on purified protein and 0.24 muM (vs. 23.6 muM) on CD73 expressed on cells. Clofarabine 4-15 5'-nucleotidase ecto Homo sapiens 172-176