2FGH:
reference: The structure of gelsolin bound to ATP., Urosev D, Ma Q, Tan AL, Robinson RC, Burtnick LD, J Mol Biol. 2006 Mar 31;357(3):765-72. Epub 2006 Jan 25. PMID: 16469333

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