4A8E:
reference: The carboxy-terminal alphaN helix of the archaeal XerA tyrosine recombinase is a molecular switch to control site-specific recombination., Serre MC, El Arnaout T, Brooks MA, Durand D, Lisboa J, Lazar N, Raynal B, van Tilbeurgh H, Quevillon-Cheruel S, PLoS One. 2013 May 7;8(5):e63010. doi: 10.1371/journal.pone.0063010. Print 2013. PMID: 23667562

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