PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30926754-4 2019 Here, we show that Rexo2 binds small RNA and DNA oligonucleotides with the highest affinity, and it is most robust in degrading small nanoRNA into mononucleotides in the presence of magnesium ions. mononucleotides 147-162 RNA exonuclease 2 Homo sapiens 19-24