4ILW:
reference: Matrix metalloproteinase-10/TIMP-2 structure and analyses define conserved core interactions and diverse exosite interactions in MMP/TIMP complexes., Batra J, Soares AS, Mehner C, Radisky ES, PLoS One. 2013 Sep 20;8(9):e75836. doi: 10.1371/journal.pone.0075836. PMID: 24073280

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