# OC Root 2nd 3rd 4th PC Gene/Definition OC.509875 Archaea.18664 Euryarchaeota.18803 Haloferax.1568 hvo.2653 hvo:HVO_2676 HesB/IscA family iron-sulfur cluster assembly accessory protein OC.509875 Archaea.18664 Euryarchaeota.18803 Haloferax.1568 hme.2611 hme:HFX_2692 iscA; hesB/IscA family protein OC.509875 Archaea.18664 Euryarchaeota.18803 Haloferax.1568 hgi.2622 hgi:ABY42_13410 heme biosynthesis protein HemY; K13628 iron-sulfur cluster assembly protein