1LFU:
reference: Lock and key binding of the HOX YPWM peptide to the PBX homeodomain., Sprules T, Green N, Featherstone M, Gehring K, J Biol Chem 2003 Jan 10;278(2):1053-8. Epub 2002 Oct 29. PMID: 12409300

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