# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.509836 Bacteria.495575 Proteobacteria.118934 Alphaproteobacteria.9627 Sulfitobacter.3554 Sulfitobacter_sp_.2979 suam.1999 suam:BOO69_10265 heme biosynthesis protein HemY OC.509836 Bacteria.495575 Proteobacteria.118934 Alphaproteobacteria.9627 Sulfitobacter.1415 - spse.1288 spse:SULPSESMR1_01271 erpA; iron-sulfur cluster insertion protein ErpA OC.509836 Bacteria.495575 Proteobacteria.118934 Alphaproteobacteria.9627 Sulfitobacter.1415 Sulfitobacter_sp_.9217 sulz.1859 sulz:C1J03_09315 iron-sulfur cluster assembly accessory protein OC.509836 Bacteria.495575 Proteobacteria.118934 Alphaproteobacteria.9627 Sulfitobacter.6845 Sulfitobacter_sp_.6685 suli.2364 suli:C1J05_12550 iron-sulfur cluster assembly accessory protein