Herpesvirus Antiviral Resistance
Database


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    First clinical description of letermovir resistance mutation in cytomegalovirus UL51 gene and potential impact on the terminase complex structure.

    Mutations:

    Mutant Gene Virus Antiviral EC50 ratio Phenotype
    A4T UL51 Human betaherpesvirus 5 Natural polymorphism
    D12E UL51 Human betaherpesvirus 5 Letermovir 1.40 No resistance
    G16A UL51 Human betaherpesvirus 5 Natural polymorphism
    E17A UL51 Human betaherpesvirus 5 Natural polymorphism
    E17del UL51 Human betaherpesvirus 5 Letermovir 1.30 No resistance
    Q23K UL51 Human betaherpesvirus 5 Natural polymorphism
    D24G UL51 Human betaherpesvirus 5 Natural polymorphism
    S28F UL51 Human betaherpesvirus 5 Natural polymorphism
    E39D UL51 Human betaherpesvirus 5 Natural polymorphism
    D40N UL51 Human betaherpesvirus 5 Natural polymorphism
    E42G UL51 Human betaherpesvirus 5 Natural polymorphism
    G56D UL51 Human betaherpesvirus 5 Natural polymorphism
    G61D UL51 Human betaherpesvirus 5 Natural polymorphism
    L70I UL51 Human betaherpesvirus 5 Natural polymorphism
    A95V UL51 Human betaherpesvirus 5 Letermovir 13.80 High level resistance
    V113L UL51 Human betaherpesvirus 5 Letermovir 1.50 No resistance
    S153P UL51 Human betaherpesvirus 5 Natural polymorphism