1AGM:
reference: Refined structure for the complex of acarbose with glucoamylase from Aspergillus awamori var. X100 to 2.4-A resolution., Aleshin AE, Firsov LM, Honzatko RB, J Biol Chem 1994 Jun 3;269(22):15631-9. PMID: 8195212

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).