# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.509811 Bacteria.933013 Proteobacteria.117975 Alphaproteobacteria.15030 Acidiphilium.1331 acr.2252 acr:Acry_2266 iron-sulfur cluster assembly accessory protein; K13628 iron-sulfur cluster assembly protein OC.509811 Bacteria.933013 Proteobacteria.117975 Alphaproteobacteria.15030 Acidiphilium.1331 amv.2515 amv:ACMV_25200 iscA; iron-binding protein IscA; K13628 iron-sulfur cluster assembly protein