CHARMD
Comprehensive Herpesviruses Antiviral drug Resistance Mutation Database
English (en)
Français (fr)
Español (es)
CNR Website
Home
Login
Data
All data
Antivirals
Bibliography
Therapeutic targets
Tools
Search
Submit mutations
Request expertise
Genotyping tool
Gene maps
Contact
Notice
How to cite
Last update : Mon 20 Apr 2026
TOP
Measure details
Mutant:
T399I
Gene:
UL56
Virus:
Human betaherpesvirus 5
Strain:
Reference:
Relative frequency of cytomegalovirus UL56 gene mutations detected in genotypic letermovir resistance testing. (Nov 2022)
Antiviral:
Letermovir
EC50 ratio: 0.80
Phenotype: No resistance
Passage: N/A
Source: Clinical Isolate
Marker: N/A
Details:
Observations:
No observations associated
Tilloy
et al.
, 2024
Interdeposit Digital Number: IDDN.FR.001.420004.000.S.X.2024.000.31230