# OC Root 2nd 3rd 4th PC Gene/Definition OC.113496 Bacteria.354824 Proteobacteria.84246 Gammaproteobacteria.173614 bsan.1275 bsan:CHH28_06655 4-hydroxybutyrate CoA-transferase; K18288 itaconate CoA-transferase [EC:2.8.3.-]