PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34207929-5 2021 In addition, their ability to reduce the tyrosyl radical in mouse R2 protein of ribonucleotide reductase has been ascertained by EPR spectroscopy and the results were compared with those for triapine. cyclo(tyrosyl-tyrosyl) 41-48 ribonucleotide reductase M2 Mus musculus 66-68