AVM v1, released 02-OCT-22

A manually curated database of aerosol-transmitted virus mutations, human diseases, and drugs

Mutation detail:


Mutation site D645Y
Virus Varicella-Zoster virus
Mutation level Amino acid level
Gene/protein/region type ORF28
Gene ID 1487712
Country German
Mutation type nonsynonymous mutation
Genotype/subtype/clade -
Sample Human
Variants -
Viral reference sequence X04370.1
Drug/antibody/vaccine -
Transmissibility -
Transmission mechanism -
Pathogenicity -
Pathogenicity mechanism -
Immune escape mutation -
Immune escape mechanism -
RT-PCR primers probes -

Protein detail:


Protein name DNA polymerase catalytic subunit
Uniprot protein ID Q4JQU7
Protein length 1194 amino acids
Protein description DNA polymerase catalytic subunit is the replicates viral genomic DNA. The replication complex is composed of six viral proteins: the DNA polymerase, processivity factor, primase, primase-associated factor, helicase, and ssDNA-binding protein. Additionally, the polymerase contains an intrinsic ribonuclease H (RNase H) activity that specifically degrades RNA/DNA heteroduplexes or duplex DNA substrates in the 5' to 3' direction. Therefore, it can catalyze the excision of the RNA primers that initiate the synthesis of Okazaki fragments at a replication fork during viral DNA replication (By similarity).

Literature information:


Pubmed ID 28886462
Clinical information No
Disease -
Published year 2017
Journal Journal of Clinical Virology
Title Genetic polymorphism of thymidine kinase (TK) and DNA polymerase (pol) of clinical varicella-zoster virus (VZV) isolates collected over three decades
Author Anja Hoffmanna,Kristin Döringa,Natalja Tatjana Seegera,Martina Buhlera,Michael Schackea
Evidence In total, 0.23 substitutions of the DNA pol were found per strain. Out of the isolates with DNA pol substitutions, 16 (six: varicella, nine: zoster, one: diagnosis not known) exhibited one of the following 14 novel changes with hitherto unknown influence