AVM v1, released 02-OCT-22

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

Mutation detail:


Mutation site N236K
Virus Influenzavirus A H1N1
Mutation level Amino acid Level
Gene/protein/region type M2
Gene ID 23308108
Country Japan
Mutation type nonsynonymous mutation
Genotype/subtype/clade clade 6B
Sample Human
Variants -
Viral reference sequence NC_026431.1
Drug/antibody/vaccine -
Transmissibility -
Transmission mechanism -
Pathogenicity -
Pathogenicity mechanism -
Immune escape mutation -
Immune escape mechanism -
RT-PCR primers probes -

Protein detail:


Protein name Matrix Protein 2
Uniprot protein ID C3W5X3
Protein length 97 amino acids
Protein description The M2 protein channel consists of 97 residues: (1) an ectodomain (residues 1-24); (2) the pore-forming TM helix (residues 25-43); (3) an amphiphilic C-terminal helix (residues 47-60); and (4)a cytoplasmic tail (residues 61-97). The influenza A virus M2 protein, a tetrameric type III integral transmembrane (TM) protein, is known to play an essential role in viral replication by mediating the acidification and uncoating of endosomally entrapped virus. The tetrameric M2 in the viral membrane functions as pH-dependent proton channels to equilibrate pH across the viral membrane during entry and across the trans-Golgi membrane of infected cells during viral maturation.

Literature information:


Pubmed ID 33408229
Clinical information No
Disease -
Published year 2021
Journal mSphere
Title Next-Generation Sequencing Analysis of the Within-Host Genetic Diversity of Influenza A(H1N1)pdm10 Viruses in the Upper and Lower Respiratory Tracts of Patients with Severe Influenza
Author Ikuyo Takayama,Binh Gia Nguyen,Co Xuan Dao,Thach The Pham,Tuan Quoc Dang
Evidence TABLE3