PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2156508-1 1990 Acid nucleoside triphosphatase (Acid NTPase), an enzyme which catalyzes the hydrolysis of all nucleoside triphosphates to the corresponding diphosphates was purified from human serum with a purification factor of 190 and a recovery of 31%. Diphosphates 140-152 inosine triphosphatase Homo sapiens 37-43