# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.509941 Bacteria.487711 Nitrospirae.727 Nitrospira.439 - nde.1442 nde:NIDE1460 erpA; Iron-sulfur cluster insertion protein erpA; K15724 iron-sulfur cluster insertion protein OC.509941 Bacteria.487711 Nitrospirae.727 Nitrospira.439 - nde.3369 nde:NIDE3558 erpA2; Iron-sulfur cluster insertion protein ErpA; K15724 iron-sulfur cluster insertion protein OC.509941 Bacteria.487711 Nitrospirae.727 Nitrospira.439 - nmv.3865 nmv:NITMOv2_4062 erpA; Iron-sulfur cluster insertion protein ErpA 2; K15724 iron-sulfur cluster insertion protein OC.509941 Bacteria.487711 Nitrospirae.727 Nitrospira.439 - nio.979 nio:NITINOP_0976 erpA; Iron-sulfur cluster insertion protein ErpA 2; K15724 iron-sulfur cluster insertion protein OC.509941 Bacteria.487711 Nitrospirae.727 Nitrospira.439 - nja.486 nja:NSJP_0407 erpA; Iron-sulfur cluster insertion protein ErpA 2; K15724 iron-sulfur cluster insertion protein OC.509941 Bacteria.487711 Nitrospirae.727 Leptospirillum.1757 - lfc.713 lfc:LFE_0723 iron-sulfur cluster assembly accessory protein OC.509941 Bacteria.487711 Nitrospirae.727 Leptospirillum.1757 Leptospirillum_ferriphilum.718 lfi.1823 lfi:LFML04_1903 hypothetical protein; K15724 iron-sulfur cluster insertion protein OC.509941 Bacteria.487711 Nitrospirae.727 Leptospirillum.1757 Leptospirillum_ferriphilum.718 lfp.1651 lfp:Y981_09685 hypothetical protein; K15724 iron-sulfur cluster insertion protein OC.509941 Bacteria.487711 Nitrospirae.727 Leptospirillum.1757 - leg.1688 leg:ABH19_10065 hypothetical protein; K15724 iron-sulfur cluster insertion protein