Fold: FAD/NAD(P)-binding domain [51904]
core: 3 layers, b/b/a; central parallel beta-sheet of 5 strands, order 32145; top antiparallel beta-sheet of 3 strands, meander
Flavocytochrome c sulfide dehydrogenase, FCSD, flavin-binding subunit [51966]
has a smaller C-terminal alpha+beta domain instead the "interface" domain