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VP35_EBOZM
ID   VP35_EBOZM              Reviewed;         340 AA.
AC   Q05127; Q77LU7; Q8JS63;
DT   01-FEB-1994, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1994, sequence version 1.
DT   03-AUG-2022, entry version 100.
DE   RecName: Full=Polymerase cofactor VP35;
DE   AltName: Full=Ebola VP35 {ECO:0000303|PubMed:26962215};
DE            Short=eVP35 {ECO:0000303|PubMed:26962215};
GN   Name=VP35;
OS   Zaire ebolavirus (strain Mayinga-76) (ZEBOV) (Zaire Ebola virus).
OC   Viruses; Riboviria; Orthornavirae; Negarnaviricota; Haploviricotina;
OC   Monjiviricetes; Mononegavirales; Filoviridae; Ebolavirus.
OX   NCBI_TaxID=128952;
OH   NCBI_TaxID=77231; Epomops franqueti (Franquet's epauleted fruit bat).
OH   NCBI_TaxID=9606; Homo sapiens (Human).
OH   NCBI_TaxID=77243; Myonycteris torquata (Little collared fruit bat).
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC RNA].
RX   PubMed=8482365; DOI=10.1016/0014-5793(93)81107-b;
RA   Bukreyev A.A., Volchkov V.E., Blinov V.M., Netesov S.V.;
RT   "The VP35 and VP40 proteins of filoviruses. Homology between Marburg and
RT   Ebola viruses.";
RL   FEBS Lett. 322:41-46(1993).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC RNA].
RX   PubMed=8237108; DOI=10.1016/0168-1702(93)90063-s;
RA   Sanchez A., Kiley M.P., Holloway B.P., Auperin D.D.;
RT   "Sequence analysis of the Ebola virus genome: organization, genetic
RT   elements, and comparison with the genome of Marburg virus.";
RL   Virus Res. 29:215-240(1993).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [GENOMIC RNA].
RX   PubMed=10073695; DOI=10.1099/0022-1317-80-2-355;
RA   Volchkov V.E., Volchkova V.A., Chepurnov A.A., Blinov V.M., Netesov S.V.,
RA   Feldmann H.;
RT   "Characterization of the L gene and 5' trailer region of Ebola virus.";
RL   J. Gen. Virol. 80:355-362(1999).
RN   [4]
RP   NUCLEOTIDE SEQUENCE [GENOMIC RNA].
RC   STRAIN=Isolate guinea pig-adapted;
RX   PubMed=11062045; DOI=10.1006/viro.2000.0572;
RA   Volchkov V.E., Chepurnov A.A., Volchkova V.A., Ternovoj V.A., Klenk H.D.;
RT   "Molecular characterization of guinea pig-adapted variants of Ebola
RT   virus.";
RL   Virology 277:147-155(2000).
RN   [5]
RP   NUCLEOTIDE SEQUENCE [GENOMIC RNA].
RC   STRAIN=Isolate mouse-adapted;
RA   Wilson J.A., Kondig J.P., Kuehne A.I., Hart M.K.;
RL   Submitted (AUG-2002) to the EMBL/GenBank/DDBJ databases.
RN   [6]
RP   FUNCTION IN VIRAL REPLICATION.
RX   PubMed=9971816; DOI=10.1128/jvi.73.3.2333-2342.1999;
RA   Muhlberger E., Weik M., Volchkov V.E., Klenk H.D., Becker S.;
RT   "Comparison of the transcription and replication strategies of marburg
RT   virus and Ebola virus by using artificial replication systems.";
RL   J. Virol. 73:2333-2342(1999).
RN   [7]
RP   FUNCTION.
RX   PubMed=11027311; DOI=10.1073/pnas.220398297;
RA   Basler C.F., Wang X., Muhlberger E., Volchkov V.E., Paragas J., Klenk H.D.,
RA   Garcia-Sastre A., Palese P.;
RT   "The Ebola virus VP35 protein functions as a type I IFN antagonist.";
RL   Proc. Natl. Acad. Sci. U.S.A. 97:12289-12294(2000).
RN   [8]
RP   INTERACTION WITH THE NUCLEOPROTEIN.
RX   PubMed=12191476; DOI=10.1016/s1097-2765(02)00588-9;
RA   Huang Y., Xu L., Sun Y., Nabel G.J.;
RT   "The assembly of Ebola virus nucleocapsid requires virion-associated
RT   proteins 35 and 24 and posttranslational modification of nucleoprotein.";
RL   Mol. Cell 10:307-316(2002).
RN   [9]
RP   FUNCTION.
RX   PubMed=12829834; DOI=10.1128/jvi.77.14.7945-7956.2003;
RA   Basler C.F., Mikulasova A., Martinez-Sobrido L., Paragas J., Muhlberger E.,
RA   Bray M., Klenk H.D., Palese P., Garcia-Sastre A.;
RT   "The Ebola virus VP35 protein inhibits activation of interferon regulatory
RT   factor 3.";
RL   J. Virol. 77:7945-7956(2003).
RN   [10]
RP   MUTAGENESIS OF ARG-305; LYS-309 AND ARG-312.
RX   PubMed=15464838; DOI=10.1016/j.virol.2004.07.006;
RA   Hartman A.L., Towner J.S., Nichol S.T.;
RT   "A C-terminal basic amino acid motif of Zaire ebolavirus VP35 is essential
RT   for type I interferon antagonism and displays high identity with the RNA-
RT   binding domain of another interferon antagonist, the NS1 protein of
RT   influenza A virus.";
RL   Virology 328:177-184(2004).
RN   [11]
RP   SUBUNIT, AND MUTAGENESIS OF 90-LEU--LEU-93 AND LEU-107.
RX   PubMed=16095644; DOI=10.1016/j.virol.2005.06.044;
RA   Reid S.P., Cardenas W.B., Basler C.F.;
RT   "Homo-oligomerization facilitates the interferon-antagonist activity of the
RT   ebolavirus VP35 protein.";
RL   Virology 341:179-189(2005).
RN   [12]
RP   CHARACTERIZATION OF RNA-BINDING ACTIVITY, AND MUTAGENESIS OF LYS-309 AND
RP   ARG-312.
RX   PubMed=16698997; DOI=10.1128/jvi.02199-05;
RA   Cardenas W.B., Loo Y.M., Gale M. Jr., Hartman A.L., Kimberlin C.R.,
RA   Martinez-Sobrido L., Saphire E.O., Basler C.F.;
RT   "Ebola virus VP35 Protein binds double-Stranded RNA and inhibits alpha/beta
RT   interferon production induced by RIG-I signaling.";
RL   J. Virol. 80:5168-5178(2006).
RN   [13]
RP   INTERACTION WITH VP40.
RX   PubMed=16698994; DOI=10.1128/jvi.01857-05;
RA   Johnson R.F., McCarthy S.E., Godlewski P.J., Harty R.N.;
RT   "Ebola virus VP35-VP40 interaction is sufficient for packaging 3E-5E
RT   minigenome RNA into virus-like particles.";
RL   J. Virol. 80:5135-5144(2006).
RN   [14]
RP   FUNCTION.
RX   PubMed=16495261; DOI=10.1128/aac.50.3.984-993.2006;
RA   Enterlein S., Warfield K.L., Swenson D.L., Stein D.A., Smith J.L.,
RA   Gamble C.S., Kroeker A.D., Iversen P.L., Bavari S., Muhlberger E.;
RT   "VP35 knockdown inhibits Ebola virus amplification and protects against
RT   lethal infection in mice.";
RL   Antimicrob. Agents Chemother. 50:984-993(2006).
RN   [15]
RP   FUNCTION.
RX   PubMed=17065211; DOI=10.1128/jvi.01006-06;
RA   Feng Z., Cerveny M., Yan Z., He B.;
RT   "The VP35 protein of Ebola virus inhibits the antiviral effect mediated by
RT   double-stranded RNA-dependent protein kinase PKR.";
RL   J. Virol. 81:182-192(2007).
RN   [16]
RP   FUNCTION, INTERACTION WITH HOST IKBKE AND TBK1, AND PHOSPHORYLATION BY HOST
RP   IKBKE.
RX   PubMed=19153231; DOI=10.1128/jvi.01875-08;
RA   Prins K.C., Cardenas W.B., Basler C.F.;
RT   "Ebola virus protein VP35 impairs the function of interferon regulatory
RT   factor-activating kinases IKKepsilon and TBK-1.";
RL   J. Virol. 83:3069-3077(2009).
RN   [17]
RP   FUNCTION, AND INTERACTION WITH HOST IRF7; PIAS1 AND UBE2I.
RX   PubMed=19557165; DOI=10.1371/journal.ppat.1000493;
RA   Chang T.H., Kubota T., Matsuoka M., Jones S., Bradfute S.B., Bray M.,
RA   Ozato K.;
RT   "Ebola Zaire virus blocks type I interferon production by exploiting the
RT   host SUMO modification machinery.";
RL   PLoS Pathog. 5:e1000493-e1000493(2009).
RN   [18]
RP   FUNCTION, AND NOMENCLATURE.
RX   PubMed=26962215; DOI=10.1128/jvi.00191-16;
RA   Yen B.C., Basler C.F.;
RT   "Effects of Filovirus Interferon Antagonists on Responses of Human
RT   Monocyte-Derived Dendritic Cells to RNA Virus Infection.";
RL   J. Virol. 90:5108-5118(2016).
RN   [19]
RP   INTERACTION WITH HOST DYNLL1, AND MOTIF.
RX   PubMed=19403681; DOI=10.1128/jvi.00480-09;
RA   Kubota T., Matsuoka M., Chang T.H., Bray M., Jones S., Tashiro M., Kato A.,
RA   Ozato K.;
RT   "Ebolavirus VP35 interacts with the cytoplasmic dynein light chain 8.";
RL   J. Virol. 83:6952-6956(2009).
RN   [20]
RP   FUNCTION, INTERACTION WITH HOST PRKRA; DSRNA AND POLYMERASE L, AND
RP   MUTAGENESIS OF PHE-239 AND ARG-312.
RX   PubMed=23870315; DOI=10.1016/j.chom.2013.06.010;
RA   Luthra P., Ramanan P., Mire C.E., Weisend C., Tsuda Y., Yen B., Liu G.,
RA   Leung D.W., Geisbert T.W., Ebihara H., Amarasinghe G.K., Basler C.F.;
RT   "Mutual antagonism between the Ebola virus VP35 protein and the RIG-I
RT   activator PACT determines infection outcome.";
RL   Cell Host Microbe 14:74-84(2013).
RN   [21]
RP   INTERACTION WITH HOST DYNLL1, AND FUNCTION.
RX   PubMed=25741013; DOI=10.1128/jvi.03652-14;
RA   Luthra P., Jordan D.S., Leung D.W., Amarasinghe G.K., Basler C.F.;
RT   "Ebola virus VP35 interaction with dynein LC8 regulates viral RNA
RT   synthesis.";
RL   J. Virol. 89:5148-5153(2015).
RN   [22]
RP   INTERACTION WITH VP24.
RX   PubMed=28794491; DOI=10.1038/s41598-017-08167-8;
RA   Banadyga L., Hoenen T., Ambroggio X., Dunham E., Groseth A., Ebihara H.;
RT   "Ebola virus VP24 interacts with NP to facilitate nucleocapsid assembly and
RT   genome packaging.";
RL   Sci. Rep. 7:7698-7698(2017).
RN   [23]
RP   INTERACTION WITH VP30, AND SUBCELLULAR LOCATION.
RX   PubMed=23493393; DOI=10.1074/jbc.m113.461285;
RA   Biedenkopf N., Hartlieb B., Hoenen T., Becker S.;
RT   "Phosphorylation of Ebola virus VP30 influences the composition of the
RT   viral nucleocapsid complex: impact on viral transcription and
RT   replication.";
RL   J. Biol. Chem. 288:11165-11174(2013).
RN   [24]
RP   INTERACTION WITH HOST TRIM6, SUBCELLULAR LOCATION, AND UBIQUITINATION AT
RP   LYS-309.
RX   PubMed=28679761; DOI=10.1128/jvi.00833-17;
RA   Bharaj P., Atkins C., Luthra P., Giraldo M.I., Dawes B.E., Miorin L.,
RA   Johnson J.R., Krogan N.J., Basler C.F., Freiberg A.N., Rajsbaum R.;
RT   "The Host E3-Ubiquitin Ligase TRIM6 Ubiquitinates the Ebola Virus VP35
RT   Protein and Promotes Virus Replication.";
RL   J. Virol. 91:0-0(2017).
RN   [25]
RP   INTERACTION WITH HOST STAU1.
RX   PubMed=30301857; DOI=10.1128/mbio.01771-18;
RA   Fang J., Pietzsch C., Ramanathan P., Santos R.I., Ilinykh P.A.,
RA   Garcia-Blanco M.A., Bukreyev A., Bradrick S.S.;
RT   "Staufen1 Interacts with Multiple Components of the Ebola Virus
RT   Ribonucleoprotein and Enhances Viral RNA Synthesis.";
RL   MBio 9:0-0(2018).
RN   [26]
RP   PHOSPHORYLATION AT SER-187; SER-205; THR-206; SER-208 AND SER-317, AND
RP   MUTAGENESIS OF SER-187 AND SER-317.
RX   PubMed=31694758; DOI=10.1016/j.bbrc.2019.10.147;
RA   Zhu L., Gao T., Yang W., Liu Y., Liu X., Hu Y., Jin Y., Li P., Xu K.,
RA   Zou G., Zhao L., Cao R., Zhong W., Xia X., Cao C.;
RT   "Ebola virus replication is regulated by the phosphorylation of viral
RT   protein VP35.";
RL   Biochem. Biophys. Res. Commun. 521:687-692(2020).
RN   [27]
RP   PHOSPHORYLATION AT SER-187; SER-205; THR-206; THR-207; SER-208; THR-210;
RP   SER-310 AND SER-317, INTERACTION WITH THE NUCLEOPROTEIN, AND MUTAGENESIS OF
RP   THR-210.
RX   PubMed=31562565; DOI=10.1007/s00018-019-03303-1;
RA   Ivanov A., Ramanathan P., Parry C., Ilinykh P.A., Lin X., Petukhov M.,
RA   Obukhov Y., Ammosova T., Amarasinghe G.K., Bukreyev A., Nekhai S.;
RT   "Global phosphoproteomic analysis of Ebola virions reveals a novel role for
RT   VP35 phosphorylation-dependent regulation of genome transcription.";
RL   Cell. Mol. Life Sci. 77:2579-2603(2020).
RN   [28]
RP   X-RAY CRYSTALLOGRAPHY (1.40 ANGSTROMS) OF 215-340, MUTAGENESIS OF ARG-312,
RP   RNA-BINDING, AND DOMAIN.
RX   PubMed=19122151; DOI=10.1073/pnas.0807854106;
RA   Leung D.W., Ginder N.D., Fulton D.B., Nix J., Basler C.F., Honzatko R.B.,
RA   Amarasinghe G.K.;
RT   "Structure of the Ebola VP35 interferon inhibitory domain.";
RL   Proc. Natl. Acad. Sci. U.S.A. 106:411-416(2009).
RN   [29]
RP   X-RAY CRYSTALLOGRAPHY (1.70 ANGSTROMS) OF 215-340, INTERACTION WITH DSRNA,
RP   AND MUTAGENESIS OF LYS-319 AND ARG-322.
RX   PubMed=20071589; DOI=10.1128/jvi.02459-09;
RA   Prins K.C., Delpeut S., Leung D.W., Reynard O., Volchkova V.A., Reid S.P.,
RA   Ramanan P., Cardenas W.B., Amarasinghe G.K., Volchkov V.E., Basler C.F.;
RT   "Mutations abrogating VP35 interaction with double-stranded RNA render
RT   Ebola virus avirulent in guinea pigs.";
RL   J. Virol. 84:3004-3015(2010).
RN   [30]
RP   X-RAY CRYSTALLOGRAPHY (1.95 ANGSTROMS) OF 215-338.
RX   PubMed=20081868; DOI=10.1038/nsmb.1765;
RA   Leung D.W., Prins K.C., Borek D.M., Farahbakhsh M., Tufariello J.M.,
RA   Ramanan P., Nix J.C., Helgeson L.A., Otwinowski Z., Honzatko R.B.,
RA   Basler C.F., Amarasinghe G.K.;
RT   "Structural basis for dsRNA recognition and interferon antagonism by Ebola
RT   VP35.";
RL   Nat. Struct. Mol. Biol. 17:165-172(2010).
RN   [31]
RP   X-RAY CRYSTALLOGRAPHY (1.90 ANGSTROMS) OF 218-340.
RX   PubMed=24067086; DOI=10.1021/bi400704d;
RA   Binning J.M., Wang T., Luthra P., Shabman R.S., Borek D.M., Liu G., Xu W.,
RA   Leung D.W., Basler C.F., Amarasinghe G.K.;
RT   "Development of RNA aptamers targeting Ebola virus VP35.";
RL   Biochemistry 52:8406-8419(2013).
RN   [32]
RP   X-RAY CRYSTALLOGRAPHY (1.41 ANGSTROMS) OF 215-340, INTERACTION WITH
RP   NUCLEOPROTEIN N, AND FUNCTION.
RX   PubMed=24495995; DOI=10.1016/j.jmb.2014.01.010;
RA   Brown C.S., Lee M.S., Leung D.W., Wang T., Xu W., Luthra P., Anantpadma M.,
RA   Shabman R.S., Melito L.M., MacMillan K.S., Borek D.M., Otwinowski Z.,
RA   Ramanan P., Stubbs A.J., Peterson D.S., Binning J.M., Tonelli M.,
RA   Olson M.A., Davey R.A., Ready J.M., Basler C.F., Amarasinghe G.K.;
RT   "In silico derived small molecules bind the filovirus VP35 protein and
RT   inhibit its polymerase cofactor activity.";
RL   J. Mol. Biol. 426:2045-2058(2014).
RN   [33]
RP   X-RAY CRYSTALLOGRAPHY (3.71 ANGSTROMS) OF 20-47, INTERACTION WITH NP,
RP   INTRINSICALLY DISORDERED REGION, AND FUNCTION.
RX   PubMed=25865894; DOI=10.1016/j.celrep.2015.03.034;
RA   Leung D.W., Borek D., Luthra P., Binning J.M., Anantpadma M., Liu G.,
RA   Harvey I.B., Su Z., Endlich-Frazier A., Pan J., Shabman R.S., Chiu W.,
RA   Davey R.A., Otwinowski Z., Basler C.F., Amarasinghe G.K.;
RT   "An Intrinsically Disordered Peptide from Ebola Virus VP35 Controls Viral
RT   RNA Synthesis by Modulating Nucleoprotein-RNA Interactions.";
RL   Cell Rep. 11:376-389(2015).
CC   -!- FUNCTION: Plays an essential role in viral RNA synthesis and also a
CC       role in suppressing innate immune signaling (PubMed:11027311). Acts as
CC       a polymerase cofactor in the RNA polymerase transcription and
CC       replication complexes (PubMed:9971816, PubMed:16495261,
CC       PubMed:24495995). Serves as nucleoprotein/NP monomer chaperone prior to
CC       the formation of the large oligomeric RNA-bound complexes (By
CC       similarity). Regulates RNA synthesis by modulating NP-RNA interactions
CC       and interacting with DYNLL1 (PubMed:25741013). VP35-NP interaction
CC       controls the switch between RNA-bound NP and free NP and thus the
CC       switch between genome replication and genome packaging into the
CC       nucleocapsid (PubMed:25865894). Prevents establishment of cellular
CC       antiviral state, thereby suppressing host DC maturation
CC       (PubMed:26962215). Acts by inhibiting host DDX58/RIG-I activation both
CC       by shielding dsRNA from detection and by preventing PRKRA binding to
CC       DDX58 (PubMed:23870315). Blocks virus-induced phosphorylation and
CC       activation of interferon regulatory factor 3/IRF3, a transcription
CC       factor critical for the induction of interferons alpha and beta
CC       (PubMed:12829834). This blockage is produced through the interaction
CC       with and inhibition of host IKBKE and TBK1, producing a strong
CC       inhibition of the phosphorylation and activation of IRF3
CC       (PubMed:12829834). Also inhibits the antiviral effect mediated by the
CC       host interferon-induced, double-stranded RNA-activated protein kinase
CC       EIF2AK2/PKR (PubMed:17065211). Increases PIAS1-mediated SUMOylation of
CC       IRF7, thereby repressing interferon transcription (PubMed:19557165).
CC       Also acts as a suppressor of RNA silencing by interacting with host
CC       DICER1, TARBP2/TRBP and PRKRA/PACT (By similarity). As a dimer, binds
CC       and sequesters dsRNA contributing to the inhibition of interferon
CC       production (By similarity). {ECO:0000250|UniProtKB:Q5XX07,
CC       ECO:0000250|UniProtKB:Q6V1Q9, ECO:0000250|UniProtKB:Q8JPY0,
CC       ECO:0000269|PubMed:11027311, ECO:0000269|PubMed:12829834,
CC       ECO:0000269|PubMed:16495261, ECO:0000269|PubMed:17065211,
CC       ECO:0000269|PubMed:19557165, ECO:0000269|PubMed:23870315,
CC       ECO:0000269|PubMed:24495995, ECO:0000269|PubMed:25741013,
CC       ECO:0000269|PubMed:25865894, ECO:0000269|PubMed:26962215,
CC       ECO:0000269|PubMed:9971816}.
CC   -!- SUBUNIT: Homodimer (By similarity). Homooligomer; via the coiled coil
CC       domain (PubMed:16095644). Interacts with nucleoprotein NP and
CC       polymerase L; VP35 bridges L and NP and allows the formation of the
CC       polymerase complex (PubMed:25865894) (Probable). Also interacts with
CC       VP30; this interaction is regulated by VP30 phosphorylation
CC       (PubMed:23493393). Interacts with host IKBKE and TBK1; the interactions
CC       lead to inhibition of cellular antiviral response by blocking necessary
CC       interactions of IKBKE and TBK1 with their substrate IRF3. Interacts
CC       with host DYNLL1; this interaction stabilizes VP35 N-terminal
CC       oligomerization domain, enhances viral RNA synthesis but does not
CC       participate in suppressing the host innate immune response
CC       (PubMed:19403681, PubMed:25741013). Interacts with host PRKRA; this
CC       interaction inhibits the interaction between DDX58 and PRKRA. Interacts
CC       with dsRNA (PubMed:19122151, PubMed:20071589, PubMed:23870315).
CC       Interacts with host TRIM6; this interaction plays an important role in
CC       promoting efficient viral replication (PubMed:28679761). Interacts with
CC       host STAU1 (PubMed:30301857). Interacts with host IRF7, PIAS1 and
CC       UBE2I/UBC9; these interactions mediate the sumoylation of IRF7 and
CC       contribute to the inhibition of IFN-type I production
CC       (PubMed:19557165). Interacts with host DICER1; this interaction
CC       prevents TARBP2/TRBP binding to DICER1 and thus allows the virus to
CC       counteract host RNA silencing (By similarity). Interacts with host
CC       TARBP2/TRBP and PRKRA/PACT; these interactions prevent TARBP2 and PRKRA
CC       binding to DICER1 and thus allows the virus to counteract host RNA
CC       silencing (By similarity). {ECO:0000250|UniProtKB:Q6V1Q9,
CC       ECO:0000250|UniProtKB:Q8JPY0, ECO:0000269|PubMed:16095644,
CC       ECO:0000269|PubMed:19122151, ECO:0000269|PubMed:19403681,
CC       ECO:0000269|PubMed:19557165, ECO:0000269|PubMed:20071589,
CC       ECO:0000269|PubMed:23493393, ECO:0000269|PubMed:23870315,
CC       ECO:0000269|PubMed:25741013, ECO:0000269|PubMed:25865894,
CC       ECO:0000269|PubMed:28679761, ECO:0000269|PubMed:30301857,
CC       ECO:0000305|PubMed:31562565}.
CC   -!- INTERACTION:
CC       Q05127; P18272: NP; NbExp=2; IntAct=EBI-6148294, EBI-9820219;
CC       Q05127; Q14164: IKBKE; Xeno; NbExp=3; IntAct=EBI-6148294, EBI-307369;
CC       Q05127; Q12906: ILF3; Xeno; NbExp=6; IntAct=EBI-6148294, EBI-78756;
CC       Q05127; O75569: PRKRA; Xeno; NbExp=2; IntAct=EBI-6148294, EBI-713955;
CC       Q05127; Q9UHD2: TBK1; Xeno; NbExp=2; IntAct=EBI-6148294, EBI-356402;
CC   -!- SUBCELLULAR LOCATION: Virion. Host cytoplasm
CC       {ECO:0000269|PubMed:23493393, ECO:0000269|PubMed:28679761}.
CC   -!- DOMAIN: The interferon inhibitory domain (IID) binds dsRNA.
CC       {ECO:0000269|PubMed:19122151}.
CC   -!- PTM: Phosphorylated by host IKBKE (PubMed:19153231). Phosphorylation
CC       contributes to efficient viral replication and transcription
CC       (PubMed:31694758, PubMed:31562565). {ECO:0000269|PubMed:19153231,
CC       ECO:0000269|PubMed:31562565, ECO:0000269|PubMed:31694758}.
CC   -!- SIMILARITY: Belongs to the filoviridae polymerase cofactor VP35 family.
CC       {ECO:0000255|PROSITE-ProRule:PRU01071}.
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DR   EMBL; X61274; CAA43578.1; -; Genomic_RNA.
DR   EMBL; L11365; AAB81002.1; -; Genomic_RNA.
DR   EMBL; AF086833; AAD14582.1; -; Genomic_RNA.
DR   EMBL; AF272001; AAG40165.1; -; Genomic_RNA.
DR   EMBL; AY142960; AAN37505.1; -; Genomic_RNA.
DR   EMBL; AF499101; AAM76032.1; -; Genomic_RNA.
DR   RefSeq; NP_066244.1; NC_002549.1.
DR   PDB; 3FKE; X-ray; 1.40 A; A/B=215-340.
DR   PDB; 3L25; X-ray; 2.00 A; A/B/D/E=215-340.
DR   PDB; 3L26; X-ray; 2.40 A; A/B=215-340.
DR   PDB; 3L27; X-ray; 1.95 A; A/B/C/D=215-340.
DR   PDB; 3L28; X-ray; 2.40 A; A/B/C/D/E/F=215-338.
DR   PDB; 3L29; X-ray; 1.70 A; A/B=215-340.
DR   PDB; 4IBB; X-ray; 1.75 A; A/B=215-340.
DR   PDB; 4IBC; X-ray; 1.74 A; A/B=215-340.
DR   PDB; 4IBD; X-ray; 1.84 A; A/B=215-340.
DR   PDB; 4IBE; X-ray; 1.95 A; A/B=215-340.
DR   PDB; 4IBF; X-ray; 2.29 A; A/B=215-340.
DR   PDB; 4IBG; X-ray; 1.41 A; A/B=215-340.
DR   PDB; 4IBI; X-ray; 1.47 A; A/B=215-340.
DR   PDB; 4IBJ; X-ray; 1.54 A; A/B=215-340.
DR   PDB; 4IBK; X-ray; 1.85 A; A/B=215-340.
DR   PDB; 4IJE; X-ray; 1.90 A; A/B/C/D=218-340.
DR   PDB; 4IJF; X-ray; 2.51 A; A=218-340.
DR   PDB; 4YPI; X-ray; 3.71 A; E/F/G/H=20-47.
DR   PDB; 4ZTA; X-ray; 2.40 A; A=15-59.
DR   PDB; 4ZTG; X-ray; 2.80 A; A=15-59.
DR   PDB; 4ZTI; X-ray; 2.40 A; A/B=15-59.
DR   PDB; 6GBO; X-ray; 2.10 A; A/B/C/D/E/F/G/H/I/J/K/L=82-145.
DR   PDB; 6GBP; X-ray; 3.49 A; A/B/C/D/E/F/G/H/I/J/K/L=82-145.
DR   PDBsum; 3FKE; -.
DR   PDBsum; 3L25; -.
DR   PDBsum; 3L26; -.
DR   PDBsum; 3L27; -.
DR   PDBsum; 3L28; -.
DR   PDBsum; 3L29; -.
DR   PDBsum; 4IBB; -.
DR   PDBsum; 4IBC; -.
DR   PDBsum; 4IBD; -.
DR   PDBsum; 4IBE; -.
DR   PDBsum; 4IBF; -.
DR   PDBsum; 4IBG; -.
DR   PDBsum; 4IBI; -.
DR   PDBsum; 4IBJ; -.
DR   PDBsum; 4IBK; -.
DR   PDBsum; 4IJE; -.
DR   PDBsum; 4IJF; -.
DR   PDBsum; 4YPI; -.
DR   PDBsum; 4ZTA; -.
DR   PDBsum; 4ZTG; -.
DR   PDBsum; 4ZTI; -.
DR   PDBsum; 6GBO; -.
DR   PDBsum; 6GBP; -.
DR   SMR; Q05127; -.
DR   DIP; DIP-48771N; -.
DR   IntAct; Q05127; 62.
DR   iPTMnet; Q05127; -.
DR   ABCD; Q05127; 5 sequenced antibodies.
DR   DNASU; 911827; -.
DR   GeneID; 911827; -.
DR   KEGG; vg:911827; -.
DR   EvolutionaryTrace; Q05127; -.
DR   Proteomes; UP000007209; Genome.
DR   Proteomes; UP000109874; Genome.
DR   Proteomes; UP000149419; Genome.
DR   Proteomes; UP000150973; Genome.
DR   GO; GO:0030430; C:host cell cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0019013; C:viral nucleocapsid; IDA:CACAO.
DR   GO; GO:0003723; F:RNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0010629; P:negative regulation of gene expression; IDA:CACAO.
DR   GO; GO:0060965; P:negative regulation of miRNA-mediated gene silencing; IDA:CACAO.
DR   GO; GO:0033235; P:positive regulation of protein sumoylation; IMP:CACAO.
DR   GO; GO:0039505; P:suppression by virus of host antigen processing and presentation of peptide antigen via MHC class II; IMP:CACAO.
DR   GO; GO:0046775; P:suppression by virus of host cytokine production; IDA:CACAO.
DR   GO; GO:0039613; P:suppression by virus of host protein phosphorylation; IDA:CACAO.
DR   GO; GO:0039722; P:suppression by virus of host toll-like receptor signaling pathway; IEA:UniProtKB-KW.
DR   GO; GO:0039501; P:suppression by virus of host type I interferon production; IMP:CACAO.
DR   GO; GO:0039724; P:suppression by virus of host viral-induced cytoplasmic pattern recognition receptor signaling pathway via inhibition of IKBKE activity; IEA:UniProtKB-KW.
DR   GO; GO:0039557; P:suppression by virus of host viral-induced cytoplasmic pattern recognition receptor signaling pathway via inhibition of IRF7 activity; IEA:UniProtKB-KW.
DR   GO; GO:0039723; P:suppression by virus of host viral-induced cytoplasmic pattern recognition receptor signaling pathway via inhibition of TBK1 activity; IEA:UniProtKB-KW.
DR   GO; GO:0044414; P:suppression of host defenses by symbiont; IMP:CACAO.
DR   DisProt; DP00998; -.
DR   Gene3D; 1.10.8.950; -; 1.
DR   Gene3D; 2.10.10.70; -; 1.
DR   InterPro; IPR002953; Filo_VP35.
DR   InterPro; IPR031163; VP35_IID.
DR   InterPro; IPR043061; VP35_IID_b-sht.
DR   InterPro; IPR043060; VP35_IID_hlx.
DR   Pfam; PF02097; Filo_VP35; 1.
DR   PIRSF; PIRSF018326; VP35_FiloV; 1.
DR   PRINTS; PR01240; FILOVP35.
DR   PROSITE; PS51735; VP35_IID; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Coiled coil; Host cytoplasm; Host-virus interaction;
KW   Inhibition of host IKBKE by virus;
KW   Inhibition of host innate immune response by virus;
KW   Inhibition of host IRF7 by virus; Inhibition of host RLR pathway by virus;
KW   Inhibition of host TBK1 by virus; Inhibition of host TLR pathway by virus;
KW   Interferon antiviral system evasion; Isopeptide bond; Phosphoprotein;
KW   Reference proteome; RNA-binding; Suppressor of RNA silencing;
KW   Transcription; Ubl conjugation; Viral immunoevasion; Viral RNA replication;
KW   Virion.
FT   CHAIN           1..340
FT                   /note="Polymerase cofactor VP35"
FT                   /id="PRO_0000222161"
FT   DOMAIN          215..340
FT                   /note="VP35 IID"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01071"
FT   REGION          1..49
FT                   /note="Chaperones the nucleoprotein"
FT                   /evidence="ECO:0000250|UniProtKB:Q5XX07"
FT   REGION          1..24
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          33..48
FT                   /note="Disordered"
FT                   /evidence="ECO:0000269|PubMed:25865894"
FT   REGION          33..48
FT                   /note="NP binding region"
FT                   /evidence="ECO:0000269|PubMed:25865894"
FT   REGION          83..145
FT                   /note="Homooligomerization"
FT                   /evidence="ECO:0000250|UniProtKB:Q8JPY0"
FT   COILED          96..116
FT                   /evidence="ECO:0000255"
FT   MOTIF           71..75
FT                   /note="Required for host DYNLL1 interaction"
FT                   /evidence="ECO:0000269|PubMed:19403681"
FT   COMPBIAS        1..21
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   MOD_RES         187
FT                   /note="Phosphoserine; by host"
FT                   /evidence="ECO:0000269|PubMed:31562565,
FT                   ECO:0000269|PubMed:31694758"
FT   MOD_RES         205
FT                   /note="Phosphoserine; by host"
FT                   /evidence="ECO:0000269|PubMed:31562565,
FT                   ECO:0000269|PubMed:31694758"
FT   MOD_RES         206
FT                   /note="Phosphothreonine; by host"
FT                   /evidence="ECO:0000269|PubMed:31562565,
FT                   ECO:0000269|PubMed:31694758"
FT   MOD_RES         207
FT                   /note="Phosphothreonine; by host"
FT                   /evidence="ECO:0000269|PubMed:31562565"
FT   MOD_RES         208
FT                   /note="Phosphoserine; by host"
FT                   /evidence="ECO:0000269|PubMed:31562565,
FT                   ECO:0000269|PubMed:31694758"
FT   MOD_RES         210
FT                   /note="Phosphothreonine; by host"
FT                   /evidence="ECO:0000269|PubMed:31562565"
FT   MOD_RES         310
FT                   /note="Phosphoserine; by host"
FT                   /evidence="ECO:0000269|PubMed:31562565"
FT   MOD_RES         317
FT                   /note="Phosphoserine; by host"
FT                   /evidence="ECO:0000269|PubMed:31562565,
FT                   ECO:0000269|PubMed:31694758"
FT   CROSSLNK        309
FT                   /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with
FT                   G-Cter in ubiquitin)"
FT                   /evidence="ECO:0000269|PubMed:28679761"
FT   VARIANT         12
FT                   /note="A -> V (in strain: Isolate mouse-adapted)"
FT   MUTAGEN         90..93
FT                   /note="LASL->AASA: Complete loss of homotrimerization; when
FT                   associated with A-107."
FT                   /evidence="ECO:0000269|PubMed:16095644"
FT   MUTAGEN         107
FT                   /note="L->A: Complete loss of homotrimerization; when
FT                   associated with 90-AASA-93."
FT                   /evidence="ECO:0000269|PubMed:16095644"
FT   MUTAGEN         187
FT                   /note="S->A: Impaired viral replication."
FT                   /evidence="ECO:0000269|PubMed:31694758"
FT   MUTAGEN         187
FT                   /note="S->D: No effect on viral replication."
FT                   /evidence="ECO:0000269|PubMed:31694758"
FT   MUTAGEN         210
FT                   /note="T->A: Loss of viral transcription and reduced
FT                   binding to the nucleoprotein."
FT                   /evidence="ECO:0000269|PubMed:31562565"
FT   MUTAGEN         210
FT                   /note="T->D: No effect on viral transcription and binding
FT                   to the nucleoprotein."
FT                   /evidence="ECO:0000269|PubMed:31562565"
FT   MUTAGEN         239
FT                   /note="F->A: Complete loss of interaction with host PRKRA
FT                   and subsequent immune response inhibition."
FT                   /evidence="ECO:0000269|PubMed:23870315"
FT   MUTAGEN         305
FT                   /note="R->A: No effect on IRF3 promoter inhibition."
FT                   /evidence="ECO:0000269|PubMed:15464838"
FT   MUTAGEN         309
FT                   /note="K->A: Partial loss of IRF3 promoter inhibition.
FT                   Complete loss of dsRNA-binding."
FT                   /evidence="ECO:0000269|PubMed:15464838,
FT                   ECO:0000269|PubMed:16698997"
FT   MUTAGEN         312
FT                   /note="R->A: Complete loss of IRF3 promoter inhibition;
FT                   dsRNA-binding and interaction with host PRKRA."
FT                   /evidence="ECO:0000269|PubMed:15464838,
FT                   ECO:0000269|PubMed:16698997, ECO:0000269|PubMed:23870315"
FT   MUTAGEN         317
FT                   /note="S->A: Impaired viral replication."
FT                   /evidence="ECO:0000269|PubMed:31694758"
FT   MUTAGEN         317
FT                   /note="S->D: No effect on viral replication."
FT                   /evidence="ECO:0000269|PubMed:31694758"
FT   MUTAGEN         319
FT                   /note="K->A: Complete loss of dsRNA binding activity; when
FT                   associated with A-322."
FT                   /evidence="ECO:0000269|PubMed:20071589"
FT   MUTAGEN         322
FT                   /note="R->A: Complete loss of dsRNA binding activity; when
FT                   associated with A-319."
FT                   /evidence="ECO:0000269|PubMed:20071589"
FT   HELIX           28..34
FT                   /evidence="ECO:0007829|PDB:4ZTA"
FT   HELIX           40..42
FT                   /evidence="ECO:0007829|PDB:4ZTA"
FT   HELIX           83..118
FT                   /evidence="ECO:0007829|PDB:6GBO"
FT   HELIX           119..123
FT                   /evidence="ECO:0007829|PDB:6GBO"
FT   HELIX           124..140
FT                   /evidence="ECO:0007829|PDB:6GBO"
FT   HELIX           221..229
FT                   /evidence="ECO:0007829|PDB:3FKE"
FT   STRAND          232..236
FT                   /evidence="ECO:0007829|PDB:3FKE"
FT   HELIX           238..252
FT                   /evidence="ECO:0007829|PDB:3FKE"
FT   HELIX           256..269
FT                   /evidence="ECO:0007829|PDB:3FKE"
FT   HELIX           273..283
FT                   /evidence="ECO:0007829|PDB:3FKE"
FT   HELIX           285..287
FT                   /evidence="ECO:0007829|PDB:3FKE"
FT   STRAND          294..299
FT                   /evidence="ECO:0007829|PDB:3FKE"
FT   HELIX           300..302
FT                   /evidence="ECO:0007829|PDB:3FKE"
FT   HELIX           305..310
FT                   /evidence="ECO:0007829|PDB:3FKE"
FT   HELIX           320..322
FT                   /evidence="ECO:0007829|PDB:3FKE"
FT   STRAND          324..330
FT                   /evidence="ECO:0007829|PDB:3FKE"
FT   STRAND          331..333
FT                   /evidence="ECO:0007829|PDB:4IJF"
FT   STRAND          335..339
FT                   /evidence="ECO:0007829|PDB:3FKE"
SQ   SEQUENCE   340 AA;  37362 MW;  B171C7FDBB5B1FBD CRC64;
     MTTRTKGRGH TAATTQNDRM PGPELSGWIS EQLMTGRIPV SDIFCDIENN PGLCYASQMQ
     QTKPNPKTRN SQTQTDPICN HSFEEVVQTL ASLATVVQQQ TIASESLEQR ITSLENGLKP
     VYDMAKTISS LNRVCAEMVA KYDLLVMTTG RATATAAATE AYWAEHGQPP PGPSLYEESA
     IRGKIESRDE TVPQSVREAF NNLNSTTSLT EENFGKPDIS AKDLRNIMYD HLPGFGTAFH
     QLVQVICKLG KDSNSLDIIH AEFQASLAEG DSPQCALIQI TKRVPIFQDA APPVIHIRSR
     GDIPRACQKS LRPVPPSPKI DRGWVCVFQL QDGKTLGLKI
 
 
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