4YBH:
reference: The Structure of the RAGE:S100A6 Complex Reveals a Unique Mode of Homodimerization for S100 Proteins., Yatime L, Betzer C, Jensen RK, Mortensen S, Jensen PH, Andersen GR, Structure. 2016 Dec 6;24(12):2043-2052. doi: 10.1016/j.str.2016.09.011. Epub 2016, Nov 3. PMID: 27818100

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