Immunogen sequence: LAPITDPQQL QLSPLKGLSL VDKENTPPAL SGTRVLASKT ARRIFQEPTE PKTKAAAPGV EDEPLLRE. RRM2 is one of two non-identical subunits for ribonucleotide reductase. This reductase catalyzes the formation of deoxyribonucleotides from ribonucleotides. S