5NJV:
reference: The structure of the binary methyltransferase-SAH complex from Zika virus reveals a novel conformation for the mechanism of mRNA capping., Chatrin C, Talapatra SK, Canard B, Kozielski F, Oncotarget. 2017 Dec 14;9(3):3160-3171. doi: 10.18632/oncotarget.23223., eCollection 2018 Jan 9. PMID: 29423037

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