Multiple Assemblies exist for SMTL entry 1tm4
crystal structure of the complex of subtilsin BPN'with chymotrypsin inhibitor 2 M59G mutant; X-RAY DIFFRACTION 1.70 Å

SMTL ID
1tm4.1
Ligands
CALCIUM ION; SODIUM ION; CITRIC ACID; PENTAETHYLENE GLYCOL
Polypeptides
Subtilisin BPN' precursor; chymotrypsin inhibitor 2
Oligo-state
hetero-1-1-mer
SMTL ID
1tm4.2
Ligands
CALCIUM ION; SODIUM ION; CITRIC ACID; PENTAETHYLENE GLYCOL
Polypeptides
Subtilisin BPN' precursor; chymotrypsin inhibitor 2
Oligo-state
hetero-2-2-mer