AVM v1, released 02-OCT-22

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

Mutation detail:


Mutation site 26144C>T
Virus MERS-CoV
Mutation level Nucleotide level
Gene/protein/region type ORF4b
Gene ID 14254597
Country Saudi Arabia
Mutation type -
Genotype/subtype/clade -
Sample Human
Variants -
Viral reference sequence JX869059.2
Drug/antibody/vaccine -
Transmissibility -
Transmission mechanism -
Pathogenicity -
Pathogenicity mechanism -
Immune escape mutation -
Immune escape mechanism -
RT-PCR primers probes -

Protein detail:


Protein name ORF4b protein
Uniprot protein ID K9N643
Protein length 246 amino acids
Protein description ORF4b protein is one of the non-structural protein of MERS-CoV. ORF4b protein plays a role in the inhibition of host innate immunity by inhibiting the interaction between host IKBKE and MAVS. In turn, this inhibition prevents the production of host interferon beta. Additionally, inhibits host NF-kappa-B by interacting with host KPNA4 and thereby preventing the translocation of the NF-kappa-B complex into the nucleus by this importin.

Literature information:


Pubmed ID 26484549
Clinical information No
Disease -
Published year 2015
Journal EMERGING INFECTIOUS DISEASES
Title Molecular Epidemiology of Hospital Outbreak of Middle East Respiratory Syndrome, Riyadh, Saudi Arabia, 2014
Author Shamsudeen F Fagbo,Leila Skakni,Daniel K W Chu,Musa A Garbati,Mercy Joseph
Evidence This isolate has a signature mutation (C26144T KFMC-9) that is also present in KKUH-90b, KKUH-291, and KKUH-368 isolates, indicating that patient from which this virus was isolated was infected with a virus related to those in the ongoing outbreak at KKUH