5MRK:
reference: Structural basis of Zika virus methyltransferase inhibition by sinefungin., Hercik K, Brynda J, Nencka R, Boura E, Arch Virol. 2017 Mar 29. doi: 10.1007/s00705-017-3345-x. PMID: 28357511

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