
Keywords: dNDP; deoxyribonucleotide diphosphates; DTT; dithiothreitol; EPR; electron paramagnetic resonance; GSH; glutathione; IAM; iodoacetamide; MS; mass spectrometry; NDP; ribonucleotide diphosphates; RNR; ribonucleotide reductase; SOD; superoxide dismutase; Rib