PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33052071-9 2021 Chimeric CD39-CD73-ECD proteins were superior in converting triphosphate and diphosphate nucleotides into nucleosides when compared with ALP-ECD and HAP-ECD. triphosphoric acid 60-72 5'-nucleotidase ecto Homo sapiens 14-18