4E5R:
reference: Dimerization and heme binding are conserved in amphibian and starfish homologues of the microRNA processing protein DGCR8., Senturia R, Laganowsky A, Barr I, Scheidemantle BD, Guo F, PLoS One. 2012;7(7):e39688. Epub 2012 Jul 2. PMID: 22768307

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