1DTH:
reference: Batimastat, a potent matrix mealloproteinase inhibitor, exhibits an unexpected mode of binding., Botos I, Scapozza L, Zhang D, Liotta LA, Meyer EF, Proc Natl Acad Sci U S A 1996 Apr 2;93(7):2749-54. PMID: 8610113

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