PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 27387229-4 2016 Here, we found that, unlike conventional hydrolytic exoribonucleases, SAMHD1 requires inorganic phosphate to degrade RNA substrates and produces nucleotide diphosphates rather than nucleoside monophosphates, which indicated that SAMHD1 is a phosphorolytic but not hydrolytic 3"-5" exoribonuclease. nucleoside monophosphates 181-206 SAM and HD domain containing deoxynucleoside triphosphate triphosphohydrolase 1 Homo sapiens 70-76