1M9O:
reference: A Cys3His zinc-binding domain from Nup475/tristetraprolin: a novel fold with a disklike structure., Amann BT, Worthington MT, Berg JM, Biochemistry 2003 Jan 14;42(1):217-21. PMID: 12515557

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