Multiple Assemblies exist for SMTL entry 3cir
E. coli Quinol fumarate reductase FrdA T234A mutation; X-RAY DIFFRACTION 3.65 Å

SMTL ID
3cir.1
Ligands
FLAVIN-ADENINE DINUCLEOTIDE; FE2/S2 (INORGANIC) CLUSTER; FE3-S4 CLUSTER; IRON/SULFUR CLUSTER
Polypeptides
Fumarate reductase flavoprotein subunit; Fumarate reductase iron-sulfur subunit; Fumarate reductase subunit C; Fumarate reductase subunit D
Oligo-state
hetero-1-1-1-1-mer
SMTL ID
3cir.2
Ligands
FLAVIN-ADENINE DINUCLEOTIDE; FE2/S2 (INORGANIC) CLUSTER; FE3-S4 CLUSTER; IRON/SULFUR CLUSTER
Polypeptides
Fumarate reductase flavoprotein subunit; Fumarate reductase iron-sulfur subunit; Fumarate reductase subunit C; Fumarate reductase subunit D
Oligo-state
hetero-1-1-1-1-mer