4X8Q:
reference: A New Family of HEAT-Like Repeat Proteins Lacking a Critical Substrate Recognition Motif Present in Related DNA Glycosylases., Mullins EA, Shi R, Kotsch LA, Eichman BF, PLoS One. 2015 May 15;10(5):e0127733. doi: 10.1371/journal.pone.0127733., eCollection 2015. PMID: 25978435

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