Multiple Assemblies exist for SMTL entry 1nen
Complex II (Succinate Dehydrogenase) From E. Coli with Dinitrophenol-17 inhibitor co-crystallized at the ubiquinone binding site; X-RAY DIFFRACTION 2.90 Å

	SMTL ID 1nen.1 Ligands OXALOACETATE ION; CALCIUM ION; FLAVIN-ADENINE DINUCLEOTIDE; FE2/S2 (INORGANIC) CLUSTER; IRON/SULFUR CLUSTER; FE3-S4 CLUSTER; PROTOPORPHYRIN IX CONTAINING FE; 2-[1-METHYLHEXYL]-4,6-DINITROPHENOL; CARDIOLIPIN; L-ALPHA-PHOSPHATIDYL-BETA-OLEOYL-GAMMA-PALMITOYL-PHOSPHATIDYLETHANOLAMINE Polypeptides Succinate dehydrogenase flavoprotein subunit; Succinate dehydrogenase iron-sulfur protein; Succinate dehydrogenase cytochrome b-556 subunit; Succinate dehydrogenase hydrophobic membrane anchor protein Oligo-state hetero-1-1-1-1-mer
	SMTL ID 1nen.2 Ligands OXALOACETATE ION; CALCIUM ION; FLAVIN-ADENINE DINUCLEOTIDE; FE2/S2 (INORGANIC) CLUSTER; IRON/SULFUR CLUSTER; FE3-S4 CLUSTER; PROTOPORPHYRIN IX CONTAINING FE; 2-[1-METHYLHEXYL]-4,6-DINITROPHENOL; CARDIOLIPIN; L-ALPHA-PHOSPHATIDYL-BETA-OLEOYL-GAMMA-PALMITOYL-PHOSPHATIDYLETHANOLAMINE Polypeptides Succinate dehydrogenase flavoprotein subunit; Succinate dehydrogenase iron-sulfur protein; Succinate dehydrogenase cytochrome b-556 subunit; Succinate dehydrogenase hydrophobic membrane anchor protein Oligo-state hetero-3-3-3-3-mer
	SMTL ID 1nen.3 Ligands OXALOACETATE ION; CALCIUM ION; FLAVIN-ADENINE DINUCLEOTIDE; FE2/S2 (INORGANIC) CLUSTER; IRON/SULFUR CLUSTER; FE3-S4 CLUSTER; PROTOPORPHYRIN IX CONTAINING FE; 2-[1-METHYLHEXYL]-4,6-DINITROPHENOL; CARDIOLIPIN; L-ALPHA-PHOSPHATIDYL-BETA-OLEOYL-GAMMA-PALMITOYL-PHOSPHATIDYLETHANOLAMINE Polypeptides Succinate dehydrogenase flavoprotein subunit; Succinate dehydrogenase iron-sulfur protein; Succinate dehydrogenase cytochrome b-556 subunit; Succinate dehydrogenase hydrophobic membrane anchor protein Oligo-state hetero-2-2-2-2-mer