# OC Root 2nd 3rd 4th PC Gene/Definition OC.168247 Archaea.20955 Euryarchaeota.21978 Haloterrigena.5913 htu.2994 htu:Htur_3005 short-chain dehydrogenase/reductase SDR; K13775 citronellol/citronellal dehydrogenase