4R8S:
reference: Crystal structure of dengue virus methyltransferase without S-adenosyl-L-methionine., Noble CG, Li SH, Dong H, Chew SH, Shi PY, Antiviral Res. 2014 Sep 19;111C:78-81. doi: 10.1016/j.antiviral.2014.09.003. PMID: 25241250

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