Rate limiting step in pyrimidine synthesis
Ref-D.M.Vasudevan 7/e p506 Aspaatetranscarbamylase catalyses a committed step in pyrimidine metabolism by conveing carbamoyl phosphate into carbamoyl aspaate
Dihydro-orotase
Ornithine transcarbomoylase
Aspaate transcarbomoylase
Carbamoyl phosphate synthase-I
Metabolism of nucleic acids