2ECP:
reference: The crystal structure of the Escherichia coli maltodextrin phosphorylase-acarbose complex., O'Reilly M, Watson KA, Johnson LN, Biochemistry 1999 Apr 27;38(17):5337-45. PMID: 10220320

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