1IAG:
reference: First structure of a snake venom metalloproteinase: a prototype for matrix metalloproteinases/collagenases., Gomis-Ruth FX, Kress LF, Bode W, EMBO J 1993 Nov;12(11):4151-7. PMID: 8223430

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