CHARMD

Comprehensive Herpesviruses Antiviral drug Resistance Mutation Database

K350R

Virus: Human betaherpesvirus 5
Gene: UL56
Resistance summary:*
- Letermovir: No resistance

*If there is more than one line per antiviral, please refer to the table below

Antiviral assays:

Antiviral	EC50 ratio	Phenotype	Strain	Source	Marker	Assay	Reference
Letermovir	1.10	No resistance		Clinical Isolate		Details	Relative frequency of cytomegalovirus UL56 gene mutations detected in genotypic letermovir resistance testing. (Nov 2022)

Tilloy et al., 2024

Interdeposit Digital Number: IDDN.FR.001.420004.000.S.X.2024.000.31230