| UPA00540 | 
                    oxalate degradation~Degradation of oxalate. Because of its toxicity, oxalate accumulation from amino-acid catabolism leads to acute disorders in mammals. Gut microflora are therefore pivotal in maintaining a safe intestinal oxalate balance through oxalate degradation. Oxalate catabolism was first identified in Oxalobacter formigenes, a specialized, strictly anaerobic bacterium. Oxalate degradation was found to be performed successively by two enzymes, a formyl-CoA transferase (frc) and an oxalate decarboxylase (oxc). These two genes are present in several bacterial genomes including that of Escherichia coli. | 
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