Multiple Assemblies exist for SMTL entry 1qni
Crystal Structure of Nitrous Oxide Reductase from Pseudomonas nautica, at 2.4A Resolution; X-RAY DIFFRACTION 2.40 Å

	SMTL ID 1qni.1 Ligands DINUCLEAR COPPER ION; (MU-4-SULFIDO)-TETRA-NUCLEAR COPPER ION; CALCIUM ION; CHLORIDE ION Polypeptides NITROUS-OXIDE REDUCTASE Oligo-state homo-dimer
	SMTL ID 1qni.2 Ligands DINUCLEAR COPPER ION; (MU-4-SULFIDO)-TETRA-NUCLEAR COPPER ION; CALCIUM ION; CHLORIDE ION Polypeptides NITROUS-OXIDE REDUCTASE Oligo-state homo-dimer
	SMTL ID 1qni.3 Ligands DINUCLEAR COPPER ION; (MU-4-SULFIDO)-TETRA-NUCLEAR COPPER ION; CALCIUM ION; CHLORIDE ION Polypeptides NITROUS-OXIDE REDUCTASE Oligo-state homo-dimer