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