Multiple Assemblies exist for SMTL entry 1y48
Crystal structure of the complex of subtilisin BPN' with chymotrypsin inhibitor 2 R65A mutant; X-RAY DIFFRACTION 1.84 Å

SMTL ID
1y48.1
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
1y48.2
Ligands
CALCIUM ION; SODIUM ION; CITRIC ACID; POLYETHYLENE GLYCOL (N=34)
Polypeptides
subtilisin BPN'; chymotrypsin inhibitor 2
Oligo-state
hetero-2-2-mer