1NL0:
reference: Crystal structure of the calcium-stabilized human factor IX Gla domain bound to a conformation-specific anti-factor IX antibody., Huang M, Furie BC, Furie B, J Biol Chem 2004 Apr 2;279(14):14338-46. Epub 2004 Jan 13. PMID: 14722079

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