Multiple Assemblies exist for SMTL entry 1kxr
Crystal Structure of Calcium-Bound Protease Core of Calpain I; X-RAY DIFFRACTION 2.07 Å

SMTL ID
1kxr.1
Ligands
CALCIUM ION
Polypeptides
thiol protease DOMAINS I AND II
Oligo-state
monomer
SMTL ID
1kxr.2
Ligands
CALCIUM ION
Polypeptides
thiol protease DOMAINS I AND II
Oligo-state
monomer