5H3C:
reference: Crystal structure of Arabidopsis thaliana SNC1 TIR domain., Hyun KG, Lee Y, Yoon J, Yi H, Song JJ, Biochem Biophys Res Commun. 2016 Dec 2;481(1-2):146-152. doi:, 10.1016/j.bbrc.2016.11.004. Epub 2016 Nov 3. PMID: 27818198

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