Multiple Assemblies exist for SMTL entry 3e3k
Structural characterization of a putative endogenous metal chelator in the periplasmic nickel transporter NikA (butane-1,2,4-tricarboxylate without nickel form); X-RAY DIFFRACTION 2.80 Å

	SMTL ID 3e3k.1 Ligands GLYCEROL; ACETATE ION; SULFATE ION; (2R)-butane-1,2,4-tricarboxylic acid Polypeptides Nickel-binding periplasmic protein Oligo-state monomer
	SMTL ID 3e3k.2 Ligands CHLORIDE ION; GLYCEROL; ACETATE ION; (2R)-butane-1,2,4-tricarboxylic acid Polypeptides Nickel-binding periplasmic protein Oligo-state monomer
	SMTL ID 3e3k.3 Ligands CHLORIDE ION; ACETATE ION; (2R)-butane-1,2,4-tricarboxylic acid Polypeptides Nickel-binding periplasmic protein Oligo-state monomer