B Nucleotides

1. Purine ribonucleotides

• guaA GMP synthetase (EC 6.3.5.2)
  B. burgdorferi cp L25883
  B. garinii nd
  B. afzelii nd

• guaB IMP dehydrogenase (EC 1.1.1.205)
  B. burgdorferi cp U13372
  B. garinii nd
  B. afzelii nd
  

2. Pyrimidine ribonucleotides

3. 2'-Deoxyribonucleotides

4. Salvage and interconversions