2MJM:
reference: Unusual structural features revealed by the solution NMR structure of the NLRC5 caspase recruitment domain., Gutte PG, Jurt S, Grutter MG, Zerbe O, Biochemistry. 2014 May 20;53(19):3106-17. doi: 10.1021/bi500177x. Epub 2014 May, 9. PMID: 24815518

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