1.1.98.6 ribonucleoside-triphosphate reductase (formate) adenosine deoxyribonucleotides de novo biosynthesis II 1.17.4.1 ribonucleoside-diphosphate reductase adenosine deoxyribonucleotides de novo biosynthesis II 2.7.4.6 nucleoside-diphosphate kinase adenosine deoxyribonucleotides de novo biosynthesis II