Multiple Assemblies exist for SMTL entry 1n2z
2.0 Angstrom structure of BtuF, the vitamin B12 binding protein of E. coli; X-RAY DIFFRACTION 2.00 Å

	SMTL ID 1n2z.1 Ligands CADMIUM ION; CHLORIDE ION; CYANOCOBALAMIN; TETRAETHYLENE GLYCOL Polypeptides Vitamin B12 transport protein btuF Oligo-state monomer
	SMTL ID 1n2z.2 Ligands CADMIUM ION; CHLORIDE ION; CYANOCOBALAMIN Polypeptides Vitamin B12 transport protein btuF Oligo-state monomer
	SMTL ID 1n2z.3 Ligands CADMIUM ION; CHLORIDE ION; CYANOCOBALAMIN; TETRAETHYLENE GLYCOL Polypeptides Vitamin B12 transport protein btuF Oligo-state homo-dimer
	SMTL ID 1n2z.4 Ligands CADMIUM ION; CHLORIDE ION; CYANOCOBALAMIN; TETRAETHYLENE GLYCOL Polypeptides Vitamin B12 transport protein btuF Oligo-state homo-dimer