# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.342029 Bacteria.270729 Proteobacteria.719851 Gammaproteobacteria.325545 Methylophaga.2557 mec.2417 mec:Q7C_761 Sulfur acceptor protein SufE for iron-sulfur cluster assembly; K02426 cysteine desulfuration protein SufE