Article · Wikipedia archive · Last revised Jul 5, 2026

Hepatitis C virus nonstructural protein 4A

Nonstructural protein 4A (NS4A) is a viral protein found in the hepatitis C virus. It acts as a cofactor for the enzyme NS3.

Last revised
Jul 5, 2026
Read time
≈ 1 min
Length
83 w
Citations
1
Source
Wikipedia ↗
HCV genome
Identifiers
OrganismHepacivirus hominis
SymbolNS4A
Entrez951475
RefSeq (Prot)NP_751925.1
UniProtF0UY39
Other data
ChromosomeGenomic: 0.01 - 0.01 Mb
Search for
StructuresSwiss-model
DomainsInterPro

Nonstructural protein 4A (NS4A) is a viral protein found in the hepatitis C virus. It acts as a cofactor for the enzyme NS3.1

References

References

  1. Beld M, Penning M, van Putten M, van den Hoek A, Lukashov V, McMorrow M, et al. (October 1998). "Hepatitis C virus serotype-specific core and NS4 antibodies in injecting drug users participating in the Amsterdam cohort studies". Journal of Clinical Microbiology. 36 (10): 3002–3006. doi:10.1128/JCM.36.10.3002-3006.1998. PMC 105101. PMID 9738057.