1XMB:
reference: X-ray structure of ILL2, an auxin-conjugate amidohydrolase from Arabidopsis thaliana., Bitto E, Bingman CA, Bittova L, Houston NL, Boston RS, Fox BG, Phillips GN Jr, Proteins. 2009 Jan;74(1):61-71. PMID: 18543330

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