Fig. 6: Structural alignment of MTase active sites from SARS-CoV-2 with SARS-CoV and ZIKV.

a SARS-CoV-2 and SARS-CoV MTase. b SARS-CoV-2 and ZIKV MTase. SARS-CoV-2 nsp16 is shown in cyan, SARS-CoV nsp16 in beige, and ZIKV MTase in magenta. Conserved pairs of residues SARS-CoV-2 Asp114 & ZIKV Asp131 and SARS-CoV-2 Asp130 & ZIKV Asp146 are highlighted by arrows.