Oxalobacter formigenesOxalatesOxalic AcidHyperoxaluriaCoenzyme A-TransferasesGram-Negative Anaerobic BacteriaCalcium OxalateFormatesNephrolithiasisBacteriaKidney CalculiPHEX Phosphate Regulating Neutral EndopeptidaseBacterial ProteinsMembrane Transport ProteinsCommerceGram-Negative BacteriaGram-Positive Bacteria