5H5D:
reference: A flexible cofactor-binding loop in the novel arginine methyltransferase Sfm1., Wang C, Zeng J, Xie W, FEBS Lett. 2016 Dec 19. doi: 10.1002/1873-3468.12533. PMID: 27990635

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