PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16054677-2 2005 In common with other class Ia RRs, the enzyme is composed of two subunits (mR1 and mR2), with mR1 containing both the active site and allosteric effector sites and mR2 containing a stable tyrosyl radical that is essential for enzymatic activity. Tyrosyl radical 188-203 ribonucleotide reductase M2 Mus musculus 83-86 16054677-2 2005 In common with other class Ia RRs, the enzyme is composed of two subunits (mR1 and mR2), with mR1 containing both the active site and allosteric effector sites and mR2 containing a stable tyrosyl radical that is essential for enzymatic activity. Tyrosyl radical 188-203 ribonucleotide reductase M2 Mus musculus 164-167