Multiple Assemblies exist for SMTL entry 1tzn
Crystal Structure of the Anthrax Toxin Protective Antigen Heptameric Prepore bound to the VWA domain of CMG2, an anthrax toxin receptor; X-RAY DIFFRACTION 4.30 Å

	SMTL ID 1tzn.1 Ligands CALCIUM ION; MAGNESIUM ION Polypeptides Protective antigen; Anthrax toxin receptor 2 Oligo-state hetero-7-7-mer
	SMTL ID 1tzn.2 Ligands CALCIUM ION; MAGNESIUM ION Polypeptides Protective antigen; Anthrax toxin receptor 2 Oligo-state hetero-7-7-mer
	SMTL ID 1tzn.3 Ligands CALCIUM ION; MAGNESIUM ION Polypeptides Protective antigen; Anthrax toxin receptor 2 Oligo-state hetero-14-14-mer
	SMTL ID 1tzn.4 Ligands CALCIUM ION; MAGNESIUM ION Polypeptides Protective antigen; Anthrax toxin receptor 2 Oligo-state hetero-14-14-mer
	SMTL ID 1tzn.5 Ligands CALCIUM ION; MAGNESIUM ION Polypeptides Protective antigen; Anthrax toxin receptor 2 Oligo-state hetero-14-14-mer