# OC Root 2nd 3rd 4th PC Gene/Definition OC.113442 Bacteria.261950 Proteobacteria.27908 Gammaproteobacteria.400248 acii.1606 acii:C4901_08775 thiamine pyrophosphate-requiring protein; K00156 pyruvate dehydrogenase (quinone) [EC:1.2.5.1]