1MPD:
reference: Crystal structures and solution conformations of a dominant-negative mutant of Escherichia coli maltose-binding protein., Shilton BH, Shuman HA, Mowbray SL, J Mol Biol 1996 Nov 29;264(2):364-76. PMID: 8951382

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