Actinobacillus pleuropneumoniae - 687076 Ascaris suum - 689320, 689694, 695392, 726508, 740157, 740822 Bacteroides fragilis cytochrome b subunit 656728 Bacteroides fragilis flavoprotein subunit 656728 Bacteroides fragilis iron-sulfur cluster protein subunit 656728 Caenorhabditis elegans - 726328 Campylobacter jejuni fumarate reductase iron-sulfur protein; gene Cj0410 or frdB 712285 Campylobacter jejuni fumarate reductase subunit A; gene Cj0409 or frdA 712285 Campylobacter jejuni fumarate reductase subunit B; gene Cj0408 or frdC 712285 Campylobacter jejuni NCTC 11168 fumarate reductase iron-sulfur protein; gene Cj0410 or frdB 712285