Multiple Assemblies exist for SMTL entry 1sh7
Crystal structure of a cold adapted subtilisin-like serine proteinase; X-RAY DIFFRACTION 1.84 Å

SMTL ID
1sh7.1
Ligands
CALCIUM ION; PHENYLMETHANESULFONIC ACID
Polypeptides
extracellular subtilisin-like serine proteinase
Oligo-state
monomer
SMTL ID
1sh7.2
Ligands
CALCIUM ION; PHENYLMETHANESULFONIC ACID
Polypeptides
extracellular subtilisin-like serine proteinase
Oligo-state
monomer