4YPR:
reference: Structural Basis for Avoidance of Promutagenic DNA Repair by MutY Adenine DNA Glycosylase., Wang L, Lee SJ, Verdine G, J Biol Chem. 2015 May 20. pii: jbc.M115.657866. PMID: 25995449

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