−7 −6.9 −7.1 −7.1
Nsp14(N7-MTase) −8.6 −8.3 −8.4 −8.3 −8.6 −8.3 −9.4 −8.7 −8.7
Nsp15(endoribonuclease) −6.2 −6.8 −6.4