# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.113442 Bacteria.261950 Proteobacteria.27908 Betaproteobacteria.23316 Cupriavidus.13183 - reu.4407 reu:Reut_B4440 Thiamine pyrophosphate enzyme, C-terminal TPP-binding:Thiamine pyrophosphate enzyme, central region:Thiamine pyrophosphate enzyme, N-terminal TPP binding region; K00156 pyruvate dehydrogenase (quinone) [EC:1.2.5.1] OC.113442 Bacteria.261950 Proteobacteria.27908 Betaproteobacteria.23316 Cupriavidus.13183 Cupriavidus_sp_.7164 cup.6615 cup:BKK80_34310 thiamine pyrophosphate-requiring protein; K00156 pyruvate dehydrogenase (quinone) [EC:1.2.5.1]