1APJ:
reference: Solution structure of the transforming growth factor beta-binding protein-like module, a domain associated with matrix fibrils., Yuan X, Downing AK, Knott V, Handford PA, EMBO J 1997 Nov 17;16(22):6659-66. PMID: 9362480

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