Multiple Assemblies exist for SMTL entry 1b18
PH AFFECTS GLU B13 SWITCHING AND SULFATE BINDING IN CUBIC INSULIN CRYSTALS (PH 5.53 COORDINATES); X-RAY DIFFRACTION 1.80 Å

SMTL ID
1b18.1
Ligands
SULFATE ION
Polypeptides
PROTEIN (INSULIN a chain); PROTEIN (INSULIN b chain)
Oligo-state
hetero-oligomer
SMTL ID
1b18.2
Ligands
SULFATE ION
Polypeptides
PROTEIN (INSULIN a chain); PROTEIN (INSULIN b chain)
Oligo-state
hetero-oligomer
SMTL ID
1b18.3
Ligands
SULFATE ION
Polypeptides
PROTEIN (INSULIN a chain); PROTEIN (INSULIN b chain)
Oligo-state
hetero-oligomer