Multiple Assemblies exist for SMTL entry 2wdv
E. coli succinate:quinone oxidoreductase (SQR) with an empty quinone- binding pocket; X-RAY DIFFRACTION 3.20 Å

	SMTL ID 2wdv.1 Ligands FLAVIN-ADENINE DINUCLEOTIDE; MALATE LIKE INTERMEDIATE; SODIUM ION; FE2/S2 (INORGANIC) CLUSTER; IRON/SULFUR CLUSTER; FE3-S4 CLUSTER; PROTOPORPHYRIN IX CONTAINING FE Polypeptides SUCCINATE DEHYDROGENASE FLAVOPROTEIN SUBUNIT; SUCCINATE DEHYDROGENASE IRON-SULFUR SUBUNIT; SUCCINATE DEHYDROGENASE CYTOCHROME B556 SUBUNIT; SUCCINATE DEHYDROGENASE HYDROPHOBIC MEMBRANE ANCHOR PROTEIN Oligo-state hetero-1-1-1-1-mer
	SMTL ID 2wdv.2 Ligands FLAVIN-ADENINE DINUCLEOTIDE; MALATE LIKE INTERMEDIATE; SODIUM ION; FE2/S2 (INORGANIC) CLUSTER; IRON/SULFUR CLUSTER; FE3-S4 CLUSTER; PROTOPORPHYRIN IX CONTAINING FE Polypeptides SUCCINATE DEHYDROGENASE FLAVOPROTEIN SUBUNIT; SUCCINATE DEHYDROGENASE IRON-SULFUR SUBUNIT; SUCCINATE DEHYDROGENASE CYTOCHROME B556 SUBUNIT; SUCCINATE DEHYDROGENASE HYDROPHOBIC MEMBRANE ANCHOR PROTEIN Oligo-state hetero-1-1-1-1-mer
	SMTL ID 2wdv.3 Ligands FLAVIN-ADENINE DINUCLEOTIDE; MALATE LIKE INTERMEDIATE; SODIUM ION; FE2/S2 (INORGANIC) CLUSTER; IRON/SULFUR CLUSTER; FE3-S4 CLUSTER; PROTOPORPHYRIN IX CONTAINING FE Polypeptides SUCCINATE DEHYDROGENASE FLAVOPROTEIN SUBUNIT; SUCCINATE DEHYDROGENASE IRON-SULFUR SUBUNIT; SUCCINATE DEHYDROGENASE CYTOCHROME B556 SUBUNIT; SUCCINATE DEHYDROGENASE HYDROPHOBIC MEMBRANE ANCHOR PROTEIN Oligo-state hetero-1-1-1-1-mer