1.1.1.291 2-hydroxymethylglutarate dehydrogenase Eubacterium barkeri 1.3.7.1 6-hydroxynicotinate reductase Eubacterium barkeri 1.17.1.4 xanthine dehydrogenase Eubacterium barkeri 1.17.1.5 nicotinate dehydrogenase Eubacterium barkeri 3.5.2.18 enamidase Eubacterium barkeri 4.1.3.32 2,3-Dimethylmalate lyase Eubacterium barkeri 4.2.1.85 dimethylmaleate hydratase Eubacterium barkeri 5.3.3.6 methylitaconate DELTA-isomerase Eubacterium barkeri 5.4.99.4 2-methyleneglutarate mutase Eubacterium barkeri