2BZM:
reference: Disease-associated sequence variations congregate in a polyanion recognition patch on human factor H revealed in three-dimensional structure., Herbert AP, Uhrin D, Lyon M, Pangburn MK, Barlow PN, J Biol Chem. 2006 Jun 16;281(24):16512-20. Epub 2006 Mar 13. PMID: 16533809

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