1JHK:
reference: Crystal structure of a recombinant anti-estradiol Fab fragment in complex with 17beta -estradiol., Lamminmaki U, Kankare JA, J Biol Chem 2001 Sep 28;276(39):36687-94. PMID: 11451948

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