2q05

Structural highlights

Function

[DUSP_VACCW] Serine/Tyrosine phosphatase which down-regulates cellular antiviral response by dephosphorylating activated host STAT1 and blocking interferon (IFN)-stimulated innate immune responses. Dephosphorylates the A17 protein.^{[1] [2] [3] [4] [5]}

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

See Also

• MAP kinase phosphatase

References

1. ↑ Derrien M, Punjabi A, Khanna M, Grubisha O, Traktman P. Tyrosine phosphorylation of A17 during vaccinia virus infection: involvement of the H1 phosphatase and the F10 kinase. J Virol. 1999 Sep;73(9):7287-96. PMID:10438817
2. ↑ Najarro P, Traktman P, Lewis JA. Vaccinia virus blocks gamma interferon signal transduction: viral VH1 phosphatase reverses Stat1 activation. J Virol. 2001 Apr;75(7):3185-96. PMID:11238845 doi:http://dx.doi.org/10.1128/JVI.75.7.3185-3196.2001
3. ↑ Guan KL, Broyles SS, Dixon JE. A Tyr/Ser protein phosphatase encoded by vaccinia virus. Nature. 1991 Mar 28;350(6316):359-62. PMID:1848923 doi:http://dx.doi.org/10.1038/350359a0
4. ↑ Mann BA, Huang JH, Li P, Chang HC, Slee RB, O'Sullivan A, Anita M, Yeh N, Klemsz MJ, Brutkiewicz RR, Blum JS, Kaplan MH. Vaccinia virus blocks Stat1-dependent and Stat1-independent gene expression induced by type I and type II interferons. J Interferon Cytokine Res. 2008 Jun;28(6):367-80. doi: 10.1089/jir.2007.0113. PMID:18593332 doi:http://dx.doi.org/10.1089/jir.2007.0113
5. ↑ Koksal AC, Cingolani G. Dimerization of Vaccinia virus VH1 is essential for dephosphorylation of STAT1 at tyrosine 701. J Biol Chem. 2011 Apr 22;286(16):14373-82. doi: 10.1074/jbc.M111.226357. Epub, 2011 Mar 1. PMID:21362620 doi:http://dx.doi.org/10.1074/jbc.M111.226357