1K6Y:
reference: Structure of a two-domain fragment of HIV-1 integrase: implications for domain organization in the intact protein., Wang JY, Ling H, Yang W, Craigie R, EMBO J 2001 Dec 17;20(24):7333-43. PMID: 11743009

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