# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.509845 Bacteria.495351 Proteobacteria.117985 Alphaproteobacteria.15031 Orientia.474 ots.530 ots:OTBS_1104 iscA; iron-sulfur cluster assembly accessory protein; K13628 iron-sulfur cluster assembly protein OC.509845 Bacteria.495351 Proteobacteria.117985 Alphaproteobacteria.15031 Orientia.474 ott.498 ott:OTT_0571 hesB2; HesB protein; K13628 iron-sulfur cluster assembly protein