Multiple Assemblies exist for SMTL entry 1y3d
Crystal structure of the complex of subtilisin BPN' with chymotrypsin inhibitor 2 R67A mutant; X-RAY DIFFRACTION 1.80 Å

	SMTL ID 1y3d.1 Ligands CALCIUM ION; SODIUM ION; CITRIC ACID; POLYETHYLENE GLYCOL (N=34) Polypeptides subtilisin BPN'; chymotrypsin inhibitor 2 Oligo-state hetero-1-1-mer
	SMTL ID 1y3d.2 Ligands CALCIUM ION; SODIUM ION; CITRIC ACID; POLYETHYLENE GLYCOL (N=34) Polypeptides subtilisin BPN'; chymotrypsin inhibitor 2 Oligo-state hetero-2-2-mer