Multiple Assemblies exist for SMTL entry 1apu
Crystallographic analysis of a pepstatin analogue binding to the aspartyl proteinase penicillopepsin at 1.8 angstroms resolution; X-RAY DIFFRACTION 1.80 Å

SMTL ID
1apu.1
Ligands
PEPSTATIN ANALOGUE ISOVALERYL-VAL-VAL-STA-O-ET; SUGAR (ALPHA-D-MANNOSE)
Polypeptides
PROTEIN (PENICILLOPEPSIN)
Oligo-state
monomer
SMTL ID
1apu.2
Ligands
PEPSTATIN ANALOGUE ISOVALERYL-VAL-VAL-STA-O-ET; SUGAR (ALPHA-D-MANNOSE)
Polypeptides
PROTEIN (PENICILLOPEPSIN)
Oligo-state
homo-dimer