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6wer

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DENV2 NS1 in complex with neutralizing 2B7 Fab fragment

Structural highlights

6wer is a 6 chain structure with sequence from Dengue virus 2 and Mus musculus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:	X-ray diffraction, Resolution 3.96Å
Ligands:
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

POLG_DEN26 prM acts as a chaperone for envelope protein E during intracellular virion assembly by masking and inactivating envelope protein E fusion peptide. prM is matured in the last step of virion assembly, presumably to avoid catastrophic activation of the viral fusion peptide induced by the acidic pH of the trans-Golgi network. After cleavage by host furin, the pr peptide is released in the extracellular medium and small envelope protein M and envelope protein E homodimers are dissociated (By similarity).^[1] ^[2] ^[3] ^[4] ^[5] ^[6] Envelope protein E binding to host cell surface receptor is followed by virus internalization through clathrin-mediated endocytosis. Envelope protein E is subsequently involved in membrane fusion between virion and host late endosomes. Synthesized as a homodimer with prM which acts as a chaperone for envelope protein E. After cleavage of prM, envelope protein E dissociate from small envelope protein M and homodimerizes (By similarity).^[7] ^[8] ^[9] ^[10] ^[11] ^[12] Non-structural protein 1 is involved in virus replication and regulation of the innate immune response. Soluble and membrane-associated NS1 may activate human complement and induce host vascular leakage. This effect might explain the clinical manifestations of dengue hemorrhagic fever and dengue shock syndrome (By similarity).^[13] ^[14] ^[15] ^[16] ^[17] ^[18] Non-structural protein 2A may be involved viral RNA replication and capsid assembly (Potential).^[19] ^[20] ^[21] ^[22] ^[23] ^[24] Non-structural protein 2B is a required cofactor for the serine protease function of NS3 (By similarity).^[25] ^[26] ^[27] ^[28] ^[29] ^[30] Serine protease NS3 displays three enzymatic activities: serine protease, NTPase and RNA helicase. NS3 serine protease, in association with NS2B, performs its autocleavage and cleaves the polyprotein at dibasic sites in the cytoplasm: C-prM, NS2A-NS2B, NS2B-NS3, NS3-NS4A, NS4A-2K and NS4B-NS5. NS3 RNA helicase binds RNA and unwinds dsRNA in the 3' to 5' direction (By similarity).^[31] ^[32] ^[33] ^[34] ^[35] ^[36] Non-structural protein 4A induces host endoplasmic reticulum membrane rearrangements leading to the formation of virus-induced membranous vesicles hosting the dsRNA and polymerase, functioning as a replication complex. NS4A might also regulate the ATPase activity of the NS3 helicase (By similarity).^[37] ^[38] ^[39] ^[40] ^[41] ^[42] Peptide 2k functions as a signal peptide for NS4B and is required for the interferon antagonism activity of the latter (By similarity).^[43] ^[44] ^[45] ^[46] ^[47] ^[48] Non-structural protein 4B inhibits interferon (IFN)-induced host STAT1 phosphorylation and nuclear translocation, thereby preventing the establishment of cellular antiviral state by blocking the IFN-alpha/beta pathway.^[49] ^[50] ^[51] ^[52] ^[53] ^[54] RNA-directed RNA polymerase NS5 replicates the viral (+) and (-) genome, and performs the capping of genomes in the cytoplasm. NS5 methylates viral RNA cap at guanine N-7 and ribose 2'-O positions. Besides its role in genome replication, also prevents the establishment of cellular antiviral state by blocking the interferon-alpha/beta (IFN-alpha/beta) signaling pathway. Inhibits host TYK2 and STAT2 phosphorylation, thereby preventing activation of JAK-STAT signaling pathway (By similarity).^[55] ^[56] ^[57] ^[58] ^[59] ^[60] Capsid protein C self-assembles to form an icosahedral capsid about 30 nm in diameter. The capsid encapsulates the genomic RNA (By similarity).^[61] ^[62] ^[63] ^[64] ^[65] ^[66]

Publication Abstract from PubMed

Medically important flaviviruses cause diverse disease pathologies and collectively are responsible for a major global disease burden. A contributing factor to pathogenesis is secreted flavivirus nonstructural protein 1 (NS1). Despite demonstrated protection by NS1-specific antibodies against lethal flavivirus challenge, the structural and mechanistic basis remains unknown. Here, we present three crystal structures of full-length dengue virus NS1 complexed with a flavivirus-cross-reactive, NS1-specific monoclonal antibody, 2B7, at resolutions between 2.89 and 3.96 angstroms. These structures reveal a protective mechanism by which two domains of NS1 are antagonized simultaneously. The NS1 wing domain mediates cell binding, whereas the beta-ladder triggers downstream events, both of which are required for dengue, Zika, and West Nile virus NS1-mediated endothelial dysfunction. These observations provide a mechanistic explanation for 2B7 protection against NS1-induced pathology and demonstrate the potential of one antibody to treat infections by multiple flaviviruses.

Structural basis for antibody inhibition of flavivirus NS1-triggered endothelial dysfunction.,Biering SB, Akey DL, Wong MP, Brown WC, Lo NTN, Puerta-Guardo H, Tramontini Gomes de Sousa F, Wang C, Konwerski JR, Espinosa DA, Bockhaus NJ, Glasner DR, Li J, Blanc SF, Juan EY, Elledge SJ, Mina MJ, Beatty PR, Smith JL, Harris E Science. 2021 Jan 8;371(6525):194-200. doi: 10.1126/science.abc0476. PMID:33414220^[67]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

↑ Munoz-Jordan JL, Laurent-Rolle M, Ashour J, Martinez-Sobrido L, Ashok M, Lipkin WI, Garcia-Sastre A. Inhibition of alpha/beta interferon signaling by the NS4B protein of flaviviruses. J Virol. 2005 Jul;79(13):8004-13. PMID:15956546 doi:10.1128/JVI.79.13.8004-8013.2005
↑ Avirutnan P, Punyadee N, Noisakran S, Komoltri C, Thiemmeca S, Auethavornanan K, Jairungsri A, Kanlaya R, Tangthawornchaikul N, Puttikhunt C, Pattanakitsakul SN, Yenchitsomanus PT, Mongkolsapaya J, Kasinrerk W, Sittisombut N, Husmann M, Blettner M, Vasanawathana S, Bhakdi S, Malasit P. Vascular leakage in severe dengue virus infections: a potential role for the nonstructural viral protein NS1 and complement. J Infect Dis. 2006 Apr 15;193(8):1078-88. Epub 2006 Mar 9. PMID:16544248 doi:http://dx.doi.org/10.1086/500949
↑ Ho LJ, Hung LF, Weng CY, Wu WL, Chou P, Lin YL, Chang DM, Tai TY, Lai JH. Dengue virus type 2 antagonizes IFN-alpha but not IFN-gamma antiviral effect via down-regulating Tyk2-STAT signaling in the human dendritic cell. J Immunol. 2005 Jun 15;174(12):8163-72. PMID:15944325
↑ Issur M, Geiss BJ, Bougie I, Picard-Jean F, Despins S, Mayette J, Hobdey SE, Bisaillon M. The flavivirus NS5 protein is a true RNA guanylyltransferase that catalyzes a two-step reaction to form the RNA cap structure. RNA. 2009 Dec;15(12):2340-50. doi: 10.1261/rna.1609709. Epub 2009 Oct 22. PMID:19850911 doi:10.1261/rna.1609709
↑ Mazzon M, Jones M, Davidson A, Chain B, Jacobs M. Dengue virus NS5 inhibits interferon-alpha signaling by blocking signal transducer and activator of transcription 2 phosphorylation. J Infect Dis. 2009 Oct 15;200(8):1261-70. doi: 10.1086/605847. PMID:19754307 doi:http://dx.doi.org/10.1086/605847
↑ Suksanpaisan L, Susantad T, Smith DR. Characterization of dengue virus entry into HepG2 cells. J Biomed Sci. 2009 Feb 4;16:17. doi: 10.1186/1423-0127-16-17. PMID:19272179 doi:http://dx.doi.org/10.1186/1423-0127-16-17
↑ Munoz-Jordan JL, Laurent-Rolle M, Ashour J, Martinez-Sobrido L, Ashok M, Lipkin WI, Garcia-Sastre A. Inhibition of alpha/beta interferon signaling by the NS4B protein of flaviviruses. J Virol. 2005 Jul;79(13):8004-13. PMID:15956546 doi:10.1128/JVI.79.13.8004-8013.2005
↑ Avirutnan P, Punyadee N, Noisakran S, Komoltri C, Thiemmeca S, Auethavornanan K, Jairungsri A, Kanlaya R, Tangthawornchaikul N, Puttikhunt C, Pattanakitsakul SN, Yenchitsomanus PT, Mongkolsapaya J, Kasinrerk W, Sittisombut N, Husmann M, Blettner M, Vasanawathana S, Bhakdi S, Malasit P. Vascular leakage in severe dengue virus infections: a potential role for the nonstructural viral protein NS1 and complement. J Infect Dis. 2006 Apr 15;193(8):1078-88. Epub 2006 Mar 9. PMID:16544248 doi:http://dx.doi.org/10.1086/500949
↑ Ho LJ, Hung LF, Weng CY, Wu WL, Chou P, Lin YL, Chang DM, Tai TY, Lai JH. Dengue virus type 2 antagonizes IFN-alpha but not IFN-gamma antiviral effect via down-regulating Tyk2-STAT signaling in the human dendritic cell. J Immunol. 2005 Jun 15;174(12):8163-72. PMID:15944325
↑ Issur M, Geiss BJ, Bougie I, Picard-Jean F, Despins S, Mayette J, Hobdey SE, Bisaillon M. The flavivirus NS5 protein is a true RNA guanylyltransferase that catalyzes a two-step reaction to form the RNA cap structure. RNA. 2009 Dec;15(12):2340-50. doi: 10.1261/rna.1609709. Epub 2009 Oct 22. PMID:19850911 doi:10.1261/rna.1609709
↑ Mazzon M, Jones M, Davidson A, Chain B, Jacobs M. Dengue virus NS5 inhibits interferon-alpha signaling by blocking signal transducer and activator of transcription 2 phosphorylation. J Infect Dis. 2009 Oct 15;200(8):1261-70. doi: 10.1086/605847. PMID:19754307 doi:http://dx.doi.org/10.1086/605847
↑ Suksanpaisan L, Susantad T, Smith DR. Characterization of dengue virus entry into HepG2 cells. J Biomed Sci. 2009 Feb 4;16:17. doi: 10.1186/1423-0127-16-17. PMID:19272179 doi:http://dx.doi.org/10.1186/1423-0127-16-17
↑ Munoz-Jordan JL, Laurent-Rolle M, Ashour J, Martinez-Sobrido L, Ashok M, Lipkin WI, Garcia-Sastre A. Inhibition of alpha/beta interferon signaling by the NS4B protein of flaviviruses. J Virol. 2005 Jul;79(13):8004-13. PMID:15956546 doi:10.1128/JVI.79.13.8004-8013.2005
↑ Avirutnan P, Punyadee N, Noisakran S, Komoltri C, Thiemmeca S, Auethavornanan K, Jairungsri A, Kanlaya R, Tangthawornchaikul N, Puttikhunt C, Pattanakitsakul SN, Yenchitsomanus PT, Mongkolsapaya J, Kasinrerk W, Sittisombut N, Husmann M, Blettner M, Vasanawathana S, Bhakdi S, Malasit P. Vascular leakage in severe dengue virus infections: a potential role for the nonstructural viral protein NS1 and complement. J Infect Dis. 2006 Apr 15;193(8):1078-88. Epub 2006 Mar 9. PMID:16544248 doi:http://dx.doi.org/10.1086/500949
↑ Ho LJ, Hung LF, Weng CY, Wu WL, Chou P, Lin YL, Chang DM, Tai TY, Lai JH. Dengue virus type 2 antagonizes IFN-alpha but not IFN-gamma antiviral effect via down-regulating Tyk2-STAT signaling in the human dendritic cell. J Immunol. 2005 Jun 15;174(12):8163-72. PMID:15944325
↑ Issur M, Geiss BJ, Bougie I, Picard-Jean F, Despins S, Mayette J, Hobdey SE, Bisaillon M. The flavivirus NS5 protein is a true RNA guanylyltransferase that catalyzes a two-step reaction to form the RNA cap structure. RNA. 2009 Dec;15(12):2340-50. doi: 10.1261/rna.1609709. Epub 2009 Oct 22. PMID:19850911 doi:10.1261/rna.1609709
↑ Mazzon M, Jones M, Davidson A, Chain B, Jacobs M. Dengue virus NS5 inhibits interferon-alpha signaling by blocking signal transducer and activator of transcription 2 phosphorylation. J Infect Dis. 2009 Oct 15;200(8):1261-70. doi: 10.1086/605847. PMID:19754307 doi:http://dx.doi.org/10.1086/605847
↑ Suksanpaisan L, Susantad T, Smith DR. Characterization of dengue virus entry into HepG2 cells. J Biomed Sci. 2009 Feb 4;16:17. doi: 10.1186/1423-0127-16-17. PMID:19272179 doi:http://dx.doi.org/10.1186/1423-0127-16-17
↑ Munoz-Jordan JL, Laurent-Rolle M, Ashour J, Martinez-Sobrido L, Ashok M, Lipkin WI, Garcia-Sastre A. Inhibition of alpha/beta interferon signaling by the NS4B protein of flaviviruses. J Virol. 2005 Jul;79(13):8004-13. PMID:15956546 doi:10.1128/JVI.79.13.8004-8013.2005
↑ Avirutnan P, Punyadee N, Noisakran S, Komoltri C, Thiemmeca S, Auethavornanan K, Jairungsri A, Kanlaya R, Tangthawornchaikul N, Puttikhunt C, Pattanakitsakul SN, Yenchitsomanus PT, Mongkolsapaya J, Kasinrerk W, Sittisombut N, Husmann M, Blettner M, Vasanawathana S, Bhakdi S, Malasit P. Vascular leakage in severe dengue virus infections: a potential role for the nonstructural viral protein NS1 and complement. J Infect Dis. 2006 Apr 15;193(8):1078-88. Epub 2006 Mar 9. PMID:16544248 doi:http://dx.doi.org/10.1086/500949
↑ Ho LJ, Hung LF, Weng CY, Wu WL, Chou P, Lin YL, Chang DM, Tai TY, Lai JH. Dengue virus type 2 antagonizes IFN-alpha but not IFN-gamma antiviral effect via down-regulating Tyk2-STAT signaling in the human dendritic cell. J Immunol. 2005 Jun 15;174(12):8163-72. PMID:15944325
↑ Issur M, Geiss BJ, Bougie I, Picard-Jean F, Despins S, Mayette J, Hobdey SE, Bisaillon M. The flavivirus NS5 protein is a true RNA guanylyltransferase that catalyzes a two-step reaction to form the RNA cap structure. RNA. 2009 Dec;15(12):2340-50. doi: 10.1261/rna.1609709. Epub 2009 Oct 22. PMID:19850911 doi:10.1261/rna.1609709
↑ Mazzon M, Jones M, Davidson A, Chain B, Jacobs M. Dengue virus NS5 inhibits interferon-alpha signaling by blocking signal transducer and activator of transcription 2 phosphorylation. J Infect Dis. 2009 Oct 15;200(8):1261-70. doi: 10.1086/605847. PMID:19754307 doi:http://dx.doi.org/10.1086/605847
↑ Suksanpaisan L, Susantad T, Smith DR. Characterization of dengue virus entry into HepG2 cells. J Biomed Sci. 2009 Feb 4;16:17. doi: 10.1186/1423-0127-16-17. PMID:19272179 doi:http://dx.doi.org/10.1186/1423-0127-16-17
↑ Munoz-Jordan JL, Laurent-Rolle M, Ashour J, Martinez-Sobrido L, Ashok M, Lipkin WI, Garcia-Sastre A. Inhibition of alpha/beta interferon signaling by the NS4B protein of flaviviruses. J Virol. 2005 Jul;79(13):8004-13. PMID:15956546 doi:10.1128/JVI.79.13.8004-8013.2005
↑ Avirutnan P, Punyadee N, Noisakran S, Komoltri C, Thiemmeca S, Auethavornanan K, Jairungsri A, Kanlaya R, Tangthawornchaikul N, Puttikhunt C, Pattanakitsakul SN, Yenchitsomanus PT, Mongkolsapaya J, Kasinrerk W, Sittisombut N, Husmann M, Blettner M, Vasanawathana S, Bhakdi S, Malasit P. Vascular leakage in severe dengue virus infections: a potential role for the nonstructural viral protein NS1 and complement. J Infect Dis. 2006 Apr 15;193(8):1078-88. Epub 2006 Mar 9. PMID:16544248 doi:http://dx.doi.org/10.1086/500949
↑ Ho LJ, Hung LF, Weng CY, Wu WL, Chou P, Lin YL, Chang DM, Tai TY, Lai JH. Dengue virus type 2 antagonizes IFN-alpha but not IFN-gamma antiviral effect via down-regulating Tyk2-STAT signaling in the human dendritic cell. J Immunol. 2005 Jun 15;174(12):8163-72. PMID:15944325
↑ Issur M, Geiss BJ, Bougie I, Picard-Jean F, Despins S, Mayette J, Hobdey SE, Bisaillon M. The flavivirus NS5 protein is a true RNA guanylyltransferase that catalyzes a two-step reaction to form the RNA cap structure. RNA. 2009 Dec;15(12):2340-50. doi: 10.1261/rna.1609709. Epub 2009 Oct 22. PMID:19850911 doi:10.1261/rna.1609709
↑ Mazzon M, Jones M, Davidson A, Chain B, Jacobs M. Dengue virus NS5 inhibits interferon-alpha signaling by blocking signal transducer and activator of transcription 2 phosphorylation. J Infect Dis. 2009 Oct 15;200(8):1261-70. doi: 10.1086/605847. PMID:19754307 doi:http://dx.doi.org/10.1086/605847
↑ Suksanpaisan L, Susantad T, Smith DR. Characterization of dengue virus entry into HepG2 cells. J Biomed Sci. 2009 Feb 4;16:17. doi: 10.1186/1423-0127-16-17. PMID:19272179 doi:http://dx.doi.org/10.1186/1423-0127-16-17
↑ Munoz-Jordan JL, Laurent-Rolle M, Ashour J, Martinez-Sobrido L, Ashok M, Lipkin WI, Garcia-Sastre A. Inhibition of alpha/beta interferon signaling by the NS4B protein of flaviviruses. J Virol. 2005 Jul;79(13):8004-13. PMID:15956546 doi:10.1128/JVI.79.13.8004-8013.2005
↑ Avirutnan P, Punyadee N, Noisakran S, Komoltri C, Thiemmeca S, Auethavornanan K, Jairungsri A, Kanlaya R, Tangthawornchaikul N, Puttikhunt C, Pattanakitsakul SN, Yenchitsomanus PT, Mongkolsapaya J, Kasinrerk W, Sittisombut N, Husmann M, Blettner M, Vasanawathana S, Bhakdi S, Malasit P. Vascular leakage in severe dengue virus infections: a potential role for the nonstructural viral protein NS1 and complement. J Infect Dis. 2006 Apr 15;193(8):1078-88. Epub 2006 Mar 9. PMID:16544248 doi:http://dx.doi.org/10.1086/500949
↑ Ho LJ, Hung LF, Weng CY, Wu WL, Chou P, Lin YL, Chang DM, Tai TY, Lai JH. Dengue virus type 2 antagonizes IFN-alpha but not IFN-gamma antiviral effect via down-regulating Tyk2-STAT signaling in the human dendritic cell. J Immunol. 2005 Jun 15;174(12):8163-72. PMID:15944325
↑ Issur M, Geiss BJ, Bougie I, Picard-Jean F, Despins S, Mayette J, Hobdey SE, Bisaillon M. The flavivirus NS5 protein is a true RNA guanylyltransferase that catalyzes a two-step reaction to form the RNA cap structure. RNA. 2009 Dec;15(12):2340-50. doi: 10.1261/rna.1609709. Epub 2009 Oct 22. PMID:19850911 doi:10.1261/rna.1609709
↑ Mazzon M, Jones M, Davidson A, Chain B, Jacobs M. Dengue virus NS5 inhibits interferon-alpha signaling by blocking signal transducer and activator of transcription 2 phosphorylation. J Infect Dis. 2009 Oct 15;200(8):1261-70. doi: 10.1086/605847. PMID:19754307 doi:http://dx.doi.org/10.1086/605847
↑ Suksanpaisan L, Susantad T, Smith DR. Characterization of dengue virus entry into HepG2 cells. J Biomed Sci. 2009 Feb 4;16:17. doi: 10.1186/1423-0127-16-17. PMID:19272179 doi:http://dx.doi.org/10.1186/1423-0127-16-17
↑ Munoz-Jordan JL, Laurent-Rolle M, Ashour J, Martinez-Sobrido L, Ashok M, Lipkin WI, Garcia-Sastre A. Inhibition of alpha/beta interferon signaling by the NS4B protein of flaviviruses. J Virol. 2005 Jul;79(13):8004-13. PMID:15956546 doi:10.1128/JVI.79.13.8004-8013.2005
↑ Avirutnan P, Punyadee N, Noisakran S, Komoltri C, Thiemmeca S, Auethavornanan K, Jairungsri A, Kanlaya R, Tangthawornchaikul N, Puttikhunt C, Pattanakitsakul SN, Yenchitsomanus PT, Mongkolsapaya J, Kasinrerk W, Sittisombut N, Husmann M, Blettner M, Vasanawathana S, Bhakdi S, Malasit P. Vascular leakage in severe dengue virus infections: a potential role for the nonstructural viral protein NS1 and complement. J Infect Dis. 2006 Apr 15;193(8):1078-88. Epub 2006 Mar 9. PMID:16544248 doi:http://dx.doi.org/10.1086/500949
↑ Ho LJ, Hung LF, Weng CY, Wu WL, Chou P, Lin YL, Chang DM, Tai TY, Lai JH. Dengue virus type 2 antagonizes IFN-alpha but not IFN-gamma antiviral effect via down-regulating Tyk2-STAT signaling in the human dendritic cell. J Immunol. 2005 Jun 15;174(12):8163-72. PMID:15944325
↑ Issur M, Geiss BJ, Bougie I, Picard-Jean F, Despins S, Mayette J, Hobdey SE, Bisaillon M. The flavivirus NS5 protein is a true RNA guanylyltransferase that catalyzes a two-step reaction to form the RNA cap structure. RNA. 2009 Dec;15(12):2340-50. doi: 10.1261/rna.1609709. Epub 2009 Oct 22. PMID:19850911 doi:10.1261/rna.1609709
↑ Mazzon M, Jones M, Davidson A, Chain B, Jacobs M. Dengue virus NS5 inhibits interferon-alpha signaling by blocking signal transducer and activator of transcription 2 phosphorylation. J Infect Dis. 2009 Oct 15;200(8):1261-70. doi: 10.1086/605847. PMID:19754307 doi:http://dx.doi.org/10.1086/605847
↑ Suksanpaisan L, Susantad T, Smith DR. Characterization of dengue virus entry into HepG2 cells. J Biomed Sci. 2009 Feb 4;16:17. doi: 10.1186/1423-0127-16-17. PMID:19272179 doi:http://dx.doi.org/10.1186/1423-0127-16-17
↑ Munoz-Jordan JL, Laurent-Rolle M, Ashour J, Martinez-Sobrido L, Ashok M, Lipkin WI, Garcia-Sastre A. Inhibition of alpha/beta interferon signaling by the NS4B protein of flaviviruses. J Virol. 2005 Jul;79(13):8004-13. PMID:15956546 doi:10.1128/JVI.79.13.8004-8013.2005
↑ Avirutnan P, Punyadee N, Noisakran S, Komoltri C, Thiemmeca S, Auethavornanan K, Jairungsri A, Kanlaya R, Tangthawornchaikul N, Puttikhunt C, Pattanakitsakul SN, Yenchitsomanus PT, Mongkolsapaya J, Kasinrerk W, Sittisombut N, Husmann M, Blettner M, Vasanawathana S, Bhakdi S, Malasit P. Vascular leakage in severe dengue virus infections: a potential role for the nonstructural viral protein NS1 and complement. J Infect Dis. 2006 Apr 15;193(8):1078-88. Epub 2006 Mar 9. PMID:16544248 doi:http://dx.doi.org/10.1086/500949
↑ Ho LJ, Hung LF, Weng CY, Wu WL, Chou P, Lin YL, Chang DM, Tai TY, Lai JH. Dengue virus type 2 antagonizes IFN-alpha but not IFN-gamma antiviral effect via down-regulating Tyk2-STAT signaling in the human dendritic cell. J Immunol. 2005 Jun 15;174(12):8163-72. PMID:15944325
↑ Issur M, Geiss BJ, Bougie I, Picard-Jean F, Despins S, Mayette J, Hobdey SE, Bisaillon M. The flavivirus NS5 protein is a true RNA guanylyltransferase that catalyzes a two-step reaction to form the RNA cap structure. RNA. 2009 Dec;15(12):2340-50. doi: 10.1261/rna.1609709. Epub 2009 Oct 22. PMID:19850911 doi:10.1261/rna.1609709
↑ Mazzon M, Jones M, Davidson A, Chain B, Jacobs M. Dengue virus NS5 inhibits interferon-alpha signaling by blocking signal transducer and activator of transcription 2 phosphorylation. J Infect Dis. 2009 Oct 15;200(8):1261-70. doi: 10.1086/605847. PMID:19754307 doi:http://dx.doi.org/10.1086/605847
↑ Suksanpaisan L, Susantad T, Smith DR. Characterization of dengue virus entry into HepG2 cells. J Biomed Sci. 2009 Feb 4;16:17. doi: 10.1186/1423-0127-16-17. PMID:19272179 doi:http://dx.doi.org/10.1186/1423-0127-16-17
↑ Munoz-Jordan JL, Laurent-Rolle M, Ashour J, Martinez-Sobrido L, Ashok M, Lipkin WI, Garcia-Sastre A. Inhibition of alpha/beta interferon signaling by the NS4B protein of flaviviruses. J Virol. 2005 Jul;79(13):8004-13. PMID:15956546 doi:10.1128/JVI.79.13.8004-8013.2005
↑ Avirutnan P, Punyadee N, Noisakran S, Komoltri C, Thiemmeca S, Auethavornanan K, Jairungsri A, Kanlaya R, Tangthawornchaikul N, Puttikhunt C, Pattanakitsakul SN, Yenchitsomanus PT, Mongkolsapaya J, Kasinrerk W, Sittisombut N, Husmann M, Blettner M, Vasanawathana S, Bhakdi S, Malasit P. Vascular leakage in severe dengue virus infections: a potential role for the nonstructural viral protein NS1 and complement. J Infect Dis. 2006 Apr 15;193(8):1078-88. Epub 2006 Mar 9. PMID:16544248 doi:http://dx.doi.org/10.1086/500949
↑ Ho LJ, Hung LF, Weng CY, Wu WL, Chou P, Lin YL, Chang DM, Tai TY, Lai JH. Dengue virus type 2 antagonizes IFN-alpha but not IFN-gamma antiviral effect via down-regulating Tyk2-STAT signaling in the human dendritic cell. J Immunol. 2005 Jun 15;174(12):8163-72. PMID:15944325
↑ Issur M, Geiss BJ, Bougie I, Picard-Jean F, Despins S, Mayette J, Hobdey SE, Bisaillon M. The flavivirus NS5 protein is a true RNA guanylyltransferase that catalyzes a two-step reaction to form the RNA cap structure. RNA. 2009 Dec;15(12):2340-50. doi: 10.1261/rna.1609709. Epub 2009 Oct 22. PMID:19850911 doi:10.1261/rna.1609709
↑ Mazzon M, Jones M, Davidson A, Chain B, Jacobs M. Dengue virus NS5 inhibits interferon-alpha signaling by blocking signal transducer and activator of transcription 2 phosphorylation. J Infect Dis. 2009 Oct 15;200(8):1261-70. doi: 10.1086/605847. PMID:19754307 doi:http://dx.doi.org/10.1086/605847
↑ Suksanpaisan L, Susantad T, Smith DR. Characterization of dengue virus entry into HepG2 cells. J Biomed Sci. 2009 Feb 4;16:17. doi: 10.1186/1423-0127-16-17. PMID:19272179 doi:http://dx.doi.org/10.1186/1423-0127-16-17
↑ Munoz-Jordan JL, Laurent-Rolle M, Ashour J, Martinez-Sobrido L, Ashok M, Lipkin WI, Garcia-Sastre A. Inhibition of alpha/beta interferon signaling by the NS4B protein of flaviviruses. J Virol. 2005 Jul;79(13):8004-13. PMID:15956546 doi:10.1128/JVI.79.13.8004-8013.2005
↑ Avirutnan P, Punyadee N, Noisakran S, Komoltri C, Thiemmeca S, Auethavornanan K, Jairungsri A, Kanlaya R, Tangthawornchaikul N, Puttikhunt C, Pattanakitsakul SN, Yenchitsomanus PT, Mongkolsapaya J, Kasinrerk W, Sittisombut N, Husmann M, Blettner M, Vasanawathana S, Bhakdi S, Malasit P. Vascular leakage in severe dengue virus infections: a potential role for the nonstructural viral protein NS1 and complement. J Infect Dis. 2006 Apr 15;193(8):1078-88. Epub 2006 Mar 9. PMID:16544248 doi:http://dx.doi.org/10.1086/500949
↑ Ho LJ, Hung LF, Weng CY, Wu WL, Chou P, Lin YL, Chang DM, Tai TY, Lai JH. Dengue virus type 2 antagonizes IFN-alpha but not IFN-gamma antiviral effect via down-regulating Tyk2-STAT signaling in the human dendritic cell. J Immunol. 2005 Jun 15;174(12):8163-72. PMID:15944325
↑ Issur M, Geiss BJ, Bougie I, Picard-Jean F, Despins S, Mayette J, Hobdey SE, Bisaillon M. The flavivirus NS5 protein is a true RNA guanylyltransferase that catalyzes a two-step reaction to form the RNA cap structure. RNA. 2009 Dec;15(12):2340-50. doi: 10.1261/rna.1609709. Epub 2009 Oct 22. PMID:19850911 doi:10.1261/rna.1609709
↑ Mazzon M, Jones M, Davidson A, Chain B, Jacobs M. Dengue virus NS5 inhibits interferon-alpha signaling by blocking signal transducer and activator of transcription 2 phosphorylation. J Infect Dis. 2009 Oct 15;200(8):1261-70. doi: 10.1086/605847. PMID:19754307 doi:http://dx.doi.org/10.1086/605847
↑ Suksanpaisan L, Susantad T, Smith DR. Characterization of dengue virus entry into HepG2 cells. J Biomed Sci. 2009 Feb 4;16:17. doi: 10.1186/1423-0127-16-17. PMID:19272179 doi:http://dx.doi.org/10.1186/1423-0127-16-17
↑ Munoz-Jordan JL, Laurent-Rolle M, Ashour J, Martinez-Sobrido L, Ashok M, Lipkin WI, Garcia-Sastre A. Inhibition of alpha/beta interferon signaling by the NS4B protein of flaviviruses. J Virol. 2005 Jul;79(13):8004-13. PMID:15956546 doi:10.1128/JVI.79.13.8004-8013.2005
↑ Avirutnan P, Punyadee N, Noisakran S, Komoltri C, Thiemmeca S, Auethavornanan K, Jairungsri A, Kanlaya R, Tangthawornchaikul N, Puttikhunt C, Pattanakitsakul SN, Yenchitsomanus PT, Mongkolsapaya J, Kasinrerk W, Sittisombut N, Husmann M, Blettner M, Vasanawathana S, Bhakdi S, Malasit P. Vascular leakage in severe dengue virus infections: a potential role for the nonstructural viral protein NS1 and complement. J Infect Dis. 2006 Apr 15;193(8):1078-88. Epub 2006 Mar 9. PMID:16544248 doi:http://dx.doi.org/10.1086/500949
↑ Ho LJ, Hung LF, Weng CY, Wu WL, Chou P, Lin YL, Chang DM, Tai TY, Lai JH. Dengue virus type 2 antagonizes IFN-alpha but not IFN-gamma antiviral effect via down-regulating Tyk2-STAT signaling in the human dendritic cell. J Immunol. 2005 Jun 15;174(12):8163-72. PMID:15944325
↑ Issur M, Geiss BJ, Bougie I, Picard-Jean F, Despins S, Mayette J, Hobdey SE, Bisaillon M. The flavivirus NS5 protein is a true RNA guanylyltransferase that catalyzes a two-step reaction to form the RNA cap structure. RNA. 2009 Dec;15(12):2340-50. doi: 10.1261/rna.1609709. Epub 2009 Oct 22. PMID:19850911 doi:10.1261/rna.1609709
↑ Mazzon M, Jones M, Davidson A, Chain B, Jacobs M. Dengue virus NS5 inhibits interferon-alpha signaling by blocking signal transducer and activator of transcription 2 phosphorylation. J Infect Dis. 2009 Oct 15;200(8):1261-70. doi: 10.1086/605847. PMID:19754307 doi:http://dx.doi.org/10.1086/605847
↑ Suksanpaisan L, Susantad T, Smith DR. Characterization of dengue virus entry into HepG2 cells. J Biomed Sci. 2009 Feb 4;16:17. doi: 10.1186/1423-0127-16-17. PMID:19272179 doi:http://dx.doi.org/10.1186/1423-0127-16-17
↑ Biering SB, Akey DL, Wong MP, Brown WC, Lo NTN, Puerta-Guardo H, Tramontini Gomes de Sousa F, Wang C, Konwerski JR, Espinosa DA, Bockhaus NJ, Glasner DR, Li J, Blanc SF, Juan EY, Elledge SJ, Mina MJ, Beatty PR, Smith JL, Harris E. Structural basis for antibody inhibition of flavivirus NS1-triggered endothelial dysfunction. Science. 2021 Jan 8;371(6525):194-200. PMID:33414220 doi:10.1126/science.abc0476