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POLN_RRVT
ID   POLN_RRVT               Reviewed;        1149 AA.
AC   P13888;
DT   01-JAN-1990, integrated into UniProtKB/Swiss-Prot.
DT   10-APR-2019, sequence version 2.
DT   03-AUG-2022, entry version 113.
DE   RecName: Full=Polyprotein nsP1234;
DE            Short=P1234;
DE   AltName: Full=Non-structural polyprotein;
DE   Contains:
DE     RecName: Full=Polyprotein P123';
DE              Short=P123';
DE   Contains:
DE     RecName: Full=Polyprotein P123;
DE              Short=P123;
DE   Contains:
DE     RecName: Full=Non-structural protein 3';
DE              Short=nsP3';
DE              EC=3.1.3.84 {ECO:0000305};
DE   Contains:
DE     RecName: Full=Non-structural protein 3;
DE              Short=nsP3;
DE              EC=3.1.3.84 {ECO:0000250|UniProtKB:Q8JUX6};
DE   Contains:
DE     RecName: Full=RNA-directed RNA polymerase nsP4;
DE              EC=2.7.7.19 {ECO:0000250|UniProtKB:P03317};
DE              EC=2.7.7.48 {ECO:0000255|PROSITE-ProRule:PRU00539};
DE     AltName: Full=Non-structural protein 4;
DE              Short=nsP4;
DE   Flags: Fragment;
OS   Ross river virus (strain T48) (RRV).
OC   Viruses; Riboviria; Orthornavirae; Kitrinoviricota; Alsuviricetes;
OC   Martellivirales; Togaviridae; Alphavirus.
OX   NCBI_TaxID=11032;
OH   NCBI_TaxID=7158; Aedes.
OH   NCBI_TaxID=162997; Culex annulirostris (Common banded mosquito).
OH   NCBI_TaxID=9606; Homo sapiens (Human).
OH   NCBI_TaxID=9322; Macropus sp. (kangaroo).
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC RNA].
RX   PubMed=2834873; DOI=10.1016/0042-6822(88)90644-7;
RA   Strauss E.G., Levinson R., Rice C.M., Dalrymple J., Strauss J.H.;
RT   "Nonstructural proteins nsP3 and nsP4 of Ross River and O'Nyong-nyong
RT   viruses: sequence and comparison with those of other alphaviruses.";
RL   Virology 164:265-274(1988).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC RNA] OF 1067-1149.
RX   PubMed=6291034; DOI=10.1073/pnas.79.17.5235;
RA   Ou J.-H., Rice C.M., Dalgarno L., Strauss E.G., Strauss J.H.;
RT   "Sequence studies of several alphavirus genomic RNAs in the region
RT   containing the start of the subgenomic RNA.";
RL   Proc. Natl. Acad. Sci. U.S.A. 79:5235-5239(1982).
CC   -!- FUNCTION: Polyprotein P1234: Inactive precursor of the viral replicase,
CC       which is activated by cleavages carried out by the viral protease nsP2.
CC       {ECO:0000250|UniProtKB:Q8JUX6}.
CC   -!- FUNCTION: [Polyprotein P123]: The early replication complex formed by
CC       the polyprotein P123 and nsP4 synthesizes minus-strand RNAs (By
CC       similarity). As soon P123 is cleaved into mature proteins, the plus-
CC       strand RNAs synthesis begins (By similarity).
CC       {ECO:0000250|UniProtKB:P03317}.
CC   -!- FUNCTION: [Polyprotein P123']: The early replication complex formed by
CC       the polyprotein P123' and nsP4 synthesizes minus-strand RNAs
CC       (Probable). Polyprotein P123' is a short-lived polyprotein that
CC       accumulates during early stage of infection (Probable). As soon P123'
CC       is cleaved into mature proteins, the plus-strand RNAs synthesis begins
CC       (Probable). {ECO:0000305}.
CC   -!- FUNCTION: [Non-structural protein 3']: Seems to be essential for minus-
CC       strand RNAs and subgenomic 26S mRNAs synthesis (By similarity).
CC       Displays mono-ADP-ribosylhydrolase activity (Probable). ADP-
CC       ribosylation is a post-translational modification that controls various
CC       processes of the host cell and the virus probably needs to revert it
CC       for optimal viral replication (Probable). Binds proteins of FXR family
CC       and sequesters them into the viral RNA replication complexes thereby
CC       inhibiting the formation of host stress granules on viral mRNAs
CC       (Probable). The nsp3'-FXR complexes bind viral RNAs and probably
CC       orchestrate the assembly of viral replication complexes, thanks to the
CC       ability of FXR family members to self-assemble and bind DNA (Probable).
CC       {ECO:0000250|UniProtKB:P03317, ECO:0000305}.
CC   -!- FUNCTION: [Non-structural protein 3]: Seems to be essential for minus-
CC       strand RNAs and subgenomic 26S mRNAs synthesis (By similarity).
CC       Displays mono-ADP-ribosylhydrolase activity (By similarity). ADP-
CC       ribosylation is a post-translational modification that controls various
CC       processes of the host cell and the virus probably needs to revert it
CC       for optimal viral replication (By similarity). Binds proteins of G3BP
CC       family and sequesters them into the viral RNA replication complexes
CC       thereby inhibiting the formation of host stress granules on viral mRNAs
CC       (By similarity). The nsp3-G3BP complexes bind viral RNAs and probably
CC       orchestrate the assembly of viral replication complexes, thanks to the
CC       ability of G3BP family members to self-assemble and bind DNA (By
CC       similarity). {ECO:0000250|UniProtKB:P03317,
CC       ECO:0000250|UniProtKB:Q8JUX6}.
CC   -!- FUNCTION: [RNA-directed RNA polymerase nsP4]: RNA dependent RNA
CC       polymerase (By similarity). Replicates genomic and antigenomic RNA by
CC       recognizing replications specific signals. The early replication
CC       complex formed by the polyprotein P123 and nsP4 synthesizes minus-
CC       strand RNAs (By similarity). The late replication complex composed of
CC       fully processed nsP1-nsP4 is responsible for the production of genomic
CC       and subgenomic plus-strand RNAs (By similarity).
CC       {ECO:0000250|UniProtKB:P03317}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a ribonucleoside 5'-triphosphate + RNA(n) = diphosphate +
CC         RNA(n+1); Xref=Rhea:RHEA:21248, Rhea:RHEA-COMP:14527, Rhea:RHEA-
CC         COMP:17342, ChEBI:CHEBI:33019, ChEBI:CHEBI:61557, ChEBI:CHEBI:140395;
CC         EC=2.7.7.48; Evidence={ECO:0000255|PROSITE-ProRule:PRU00539};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=4-O-(ADP-D-ribosyl)-L-aspartyl-[protein] + H2O = ADP-D-ribose
CC         + H(+) + L-aspartyl-[protein]; Xref=Rhea:RHEA:54428, Rhea:RHEA-
CC         COMP:9867, Rhea:RHEA-COMP:13832, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:29961, ChEBI:CHEBI:57967,
CC         ChEBI:CHEBI:138102; Evidence={ECO:0000250|UniProtKB:Q8JUX6};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:54429;
CC         Evidence={ECO:0000250|UniProtKB:Q8JUX6};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=5-O-(ADP-D-ribosyl)-L-glutamyl-[protein] + H2O = ADP-D-ribose
CC         + H(+) + L-glutamyl-[protein]; Xref=Rhea:RHEA:58248, Rhea:RHEA-
CC         COMP:10208, Rhea:RHEA-COMP:15089, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:29973, ChEBI:CHEBI:57967,
CC         ChEBI:CHEBI:142540; Evidence={ECO:0000250|UniProtKB:Q8JUX6};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:58249;
CC         Evidence={ECO:0000250|UniProtKB:Q8JUX6};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + RNA(n) = diphosphate + RNA(n)-3'-adenine ribonucleotide;
CC         Xref=Rhea:RHEA:11332, Rhea:RHEA-COMP:14527, Rhea:RHEA-COMP:17347,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:33019, ChEBI:CHEBI:140395,
CC         ChEBI:CHEBI:173115; EC=2.7.7.19;
CC         Evidence={ECO:0000250|UniProtKB:P03317};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ADP-beta-D-ribose 1''-phosphate + H2O = ADP-D-ribose +
CC         phosphate; Xref=Rhea:RHEA:25029, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:43474, ChEBI:CHEBI:57967, ChEBI:CHEBI:58753; EC=3.1.3.84;
CC         Evidence={ECO:0000250|UniProtKB:Q8JUX6};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:25030;
CC         Evidence={ECO:0000250|UniProtKB:Q8JUX6};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000250|UniProtKB:P03317};
CC       Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC         Evidence={ECO:0000250|UniProtKB:P03317};
CC       Note=For nsP4 adenylyltransferase activity; Mn(2+) supports catalysis
CC       at 60% of the levels observed with Mg(2+).
CC       {ECO:0000250|UniProtKB:P03317};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC       Note=For nsP4 RNA-directed RNA polymerase activity.
CC       {ECO:0000250|UniProtKB:P03317};
CC   -!- SUBUNIT: [Non-structural protein 3]: Interacts with mRNA-capping enzyme
CC       nsP1 (By similarity). Interacts with host DDX1 (By similarity). RNA-
CC       directed Interacts with host DDX3 (By similarity). Interacts (via C-
CC       terminus) with host G3BP1; this interaction inhibits the formation of
CC       host stress granules on viral mRNAs and the nsp3-G3BP1 complexes bind
CC       viral RNAs and probably orchestrate the assembly of viral replication
CC       complexes (By similarity). Interacts (via C-terminus) with host G3BP2;
CC       this interaction inhibits the formation of host stress granules on
CC       viral mRNAs and the nsp3-G3BP2 complexes bind viral RNAs and probably
CC       orchestrate the assembly of viral replication complexes (By
CC       similarity). {ECO:0000250|UniProtKB:P03317,
CC       ECO:0000250|UniProtKB:P27282, ECO:0000250|UniProtKB:Q8JUX6}.
CC   -!- SUBUNIT: [RNA-directed RNA polymerase nsP4]: Interacts with itself.
CC       Interacts with mRNA-capping enzyme nsP1. Interacts with protease nsP2.
CC       Interacts with itself. {ECO:0000250|UniProtKB:Q8JUX6}.
CC   -!- SUBCELLULAR LOCATION: [Polyprotein P123']: Host cytoplasmic vesicle
CC       membrane {ECO:0000305}; Peripheral membrane protein {ECO:0000305}.
CC       Note=Part of cytoplasmic vesicles, which are probably formed at the
CC       plasma membrane and internalized leading to late endosomal/lysosomal
CC       spherules containing the replication complex. {ECO:0000305}.
CC   -!- SUBCELLULAR LOCATION: [Polyprotein P123]: Host cytoplasmic vesicle
CC       membrane {ECO:0000305}; Peripheral membrane protein {ECO:0000305}.
CC       Note=Part of cytoplasmic vesicles, which are probably formed at the
CC       plasma membrane and internalized leading to late endosomal/lysosomal
CC       spherules containing the replication complex. {ECO:0000305}.
CC   -!- SUBCELLULAR LOCATION: [Non-structural protein 3']: Host cytoplasmic
CC       vesicle membrane {ECO:0000250|UniProtKB:P03317}; Peripheral membrane
CC       protein {ECO:0000305}. Note=In the late phase of infection, the
CC       polyprotein is quickly cleaved before localization to cellular
CC       membranes. Then nsP3 and nsP3' form aggregates in cytoplasm (By
CC       similarity). NsP3' is also part of cytoplasmic vesicles, which are
CC       probably formed at the plasma membrane and internalized leading to late
CC       endosomal/lysosomal spherules containing the replication complex (By
CC       similarity). {ECO:0000250|UniProtKB:P03317}.
CC   -!- SUBCELLULAR LOCATION: [Non-structural protein 3]: Host cytoplasmic
CC       vesicle membrane {ECO:0000250|UniProtKB:P03317}; Peripheral membrane
CC       protein {ECO:0000305}. Note=In the late phase of infection, the
CC       polyprotein is quickly cleaved before localization to cellular
CC       membranes. Then nsP3 and nsP3' form aggregates in cytoplasm (By
CC       similarity). NsP3 is also part of cytoplasmic vesicles, which are
CC       probably formed at the plasma membrane and internalized leading to late
CC       endosomal/lysosomal spherules containing the replication complex (By
CC       similarity). {ECO:0000250|UniProtKB:P03317}.
CC   -!- SUBCELLULAR LOCATION: [RNA-directed RNA polymerase nsP4]: Host
CC       cytoplasmic vesicle membrane; Peripheral membrane protein
CC       {ECO:0000250|UniProtKB:P08411}. Note=NsP4 is part of cytoplasmic
CC       vesicles, which are probably formed at the plasma membrane and
CC       internalized leading to late endosomal/lysosomal spherules containing
CC       the replication complex. {ECO:0000250|UniProtKB:P08411}.
CC   -!- DOMAIN: [Non-structural protein 3]: In the N-terminus, the macro domain
CC       displays a mono-ADP-ribosylhydrolase activity (By similarity). The
CC       central part has a zinc-binding function (By similarity). The C-
CC       terminus contains two FGDF motifs necessary and sufficient for
CC       formation of the nsP3/G3BP1 complex (By similarity).
CC       {ECO:0000250|UniProtKB:P03317, ECO:0000250|UniProtKB:Q8JUX6}.
CC   -!- DOMAIN: [Non-structural protein 3']: In the N-terminus, the macro
CC       domain displays a mono-ADP-ribosylhydrolase activity (By similarity).
CC       The central part has a zinc-binding function (By similarity). The C-
CC       terminus contains two FGDF motifs necessary and sufficient for
CC       formation of the nsP3'/G3BP1 complex (By similarity).
CC       {ECO:0000250|UniProtKB:P03317, ECO:0000250|UniProtKB:Q8JUX6}.
CC   -!- PTM: Polyprotein P1234: Specific enzymatic cleavages in vivo yield
CC       mature proteins (By similarity). The processing of the polyprotein is
CC       temporally regulated (By similarity). In early stages (1.7 hpi), P1234
CC       is first cleaved in trans through its nsP2 protease activity, releasing
CC       P123' and nsP4, which associate to form the early replication complex
CC       (By similarity). At the same time, P1234 is also cut at the nsP1/nsP2
CC       site early in infection but with lower efficiency (By similarity).
CC       After replication of the viral minus-strand RNAs (4 hpi), the
CC       polyproteins are cut at the nsP1/nsP2 and nsP2/nsP3 sites very
CC       efficiently, preventing accumulation of P123' and P1234 and allowing
CC       the formation of the late replication complex (By similarity).
CC       NsP3'/nsP4 site is not cleaved anymore and P34 is produced rather than
CC       nsP4 (By similarity). {ECO:0000250|UniProtKB:P03317}.
CC   -!- PTM: [Polyprotein P123]: Specific enzymatic cleavages in vivo yield
CC       mature proteins (By similarity). The processing of the polyprotein is
CC       temporally regulated (By similarity). In early stages (1.7 hpi), P123
CC       is cleaved at the nsP1/nsP2 site with low efficiency (By similarity).
CC       After replication of the viral minus-strand RNAs (4 hpi), the
CC       polyproteins are cut at the nsP1/nsP2 and nsP2/nsP3 sites very
CC       efficiently, preventing accumulation of P123 and allowing the formation
CC       of the late replication complex (By similarity).
CC       {ECO:0000250|UniProtKB:P03317}.
CC   -!- PTM: [Non-structural protein 3]: Phosphorylated by host on serines and
CC       threonines. {ECO:0000250|UniProtKB:P08411}.
CC   -!- PTM: [Non-structural protein 3']: Phosphorylated by host on serines and
CC       threonines. {ECO:0000250|UniProtKB:P08411}.
CC   -!- PTM: [RNA-directed RNA polymerase nsP4]: Ubiquitinated; targets the
CC       protein for rapid degradation via the ubiquitin system (By similarity).
CC       Nsp4 is present in extremely low quantities due to low frequency of
CC       translation through the amber stop-codon and the degradation by the
CC       ubiquitin pathway (By similarity). {ECO:0000250|UniProtKB:P03317}.
CC   -!- MISCELLANEOUS: Viral replication produces dsRNA in the late phase of
CC       infection, resulting in a strong activation of host EIF2AK2/PKR,
CC       leading to almost complete phosphorylation of EIF2A (By similarity).
CC       This inactivates completely cellular translation initiation, resulting
CC       shutoff of host proteins synthesis (By similarity). However,
CC       phosphorylation of EIF2A is probably not the only mechanism responsible
CC       for the host translation shutoff (By similarity). The viral translation
CC       can still occur normally because it relies on a hairpin structure in
CC       the coding region of sgRNA and is EIF2A-, EIF2D-, EIF4G- EIF4A-
CC       independent (By similarity). {ECO:0000250|UniProtKB:P03317}.
CC   -!- MISCELLANEOUS: The genome codes for P123, but readthrough of a
CC       terminator codon UGA occurs between the codons for Phe-531 and Leu-533
CC       giving rise to P1234 (Probable). P1234 is cleaved quickly by nsP2 into
CC       P123' and nsP4 (By similarity). Further processing of p123' gives nsP1,
CC       nsP2 and nsP3' which is 6 amino acids longer than nsP3 since the
CC       cleavage site is after the readthrough (By similarity). This unusual
CC       molecular mechanism ensures that few nsP4 are produced compared to
CC       other non-structural proteins (By similarity). Mutant viruses with no
CC       alternative termination site grow significantly slower than wild-type
CC       virus (By similarity). The opal termination codon is frequently mutated
CC       to a sense codon on passage in cell culture (By similarity). The
CC       presence of the opal codon may be a requirement for viral maintenance
CC       in both vertebrate and invertebrate hosts and a selective advantage may
CC       be conferred in cell culture for the sense codon (By similarity).
CC       {ECO:0000250|UniProtKB:O90368, ECO:0000250|UniProtKB:P03317,
CC       ECO:0000305}.
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DR   EMBL; M20539; AAA47407.1; -; Genomic_RNA.
DR   EMBL; K00046; AAA47403.1; ALT_SEQ; Genomic_RNA.
DR   PIR; A28614; A28614.
DR   PDB; 7F0S; X-ray; 2.60 A; A=648-1149.
DR   PDBsum; 7F0S; -.
DR   SMR; P13888; -.
DR   GO; GO:0044162; C:host cell cytoplasmic vesicle membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0016020; C:membrane; IEA:UniProtKB-KW.
DR   GO; GO:0016787; F:hydrolase activity; IEA:UniProtKB-KW.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0000166; F:nucleotide binding; IEA:UniProtKB-KW.
DR   GO; GO:0004652; F:polynucleotide adenylyltransferase activity; IEA:UniProtKB-EC.
DR   GO; GO:0003723; F:RNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0003968; F:RNA-directed 5'-3' RNA polymerase activity; IEA:UniProtKB-KW.
DR   GO; GO:0006351; P:transcription, DNA-templated; IEA:InterPro.
DR   GO; GO:0039694; P:viral RNA genome replication; IEA:InterPro.
DR   CDD; cd21557; Macro_X_Nsp3-like; 1.
DR   Gene3D; 3.40.220.10; -; 1.
DR   Gene3D; 3.40.50.150; -; 1.
DR   InterPro; IPR043502; DNA/RNA_pol_sf.
DR   InterPro; IPR002589; Macro_dom.
DR   InterPro; IPR043472; Macro_dom-like.
DR   InterPro; IPR044371; Macro_X_NSP3-like.
DR   InterPro; IPR007094; RNA-dir_pol_PSvirus.
DR   InterPro; IPR029063; SAM-dependent_MTases_sf.
DR   InterPro; IPR001788; Tymovirus_RNA-dep_RNA_pol.
DR   Pfam; PF01661; Macro; 1.
DR   Pfam; PF00978; RdRP_2; 1.
DR   SMART; SM00506; A1pp; 1.
DR   SUPFAM; SSF52949; SSF52949; 1.
DR   SUPFAM; SSF56672; SSF56672; 1.
DR   PROSITE; PS51154; MACRO; 1.
DR   PROSITE; PS50507; RDRP_SSRNA_POS; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Host cytoplasmic vesicle; Host membrane; Hydrolase; Membrane;
KW   Metal-binding; Nucleotide-binding; Nucleotidyltransferase; Phosphoprotein;
KW   RNA-binding; RNA-directed RNA polymerase; Transferase; Ubl conjugation;
KW   Viral RNA replication; Zinc.
FT   CHAIN           <1..>1149
FT                   /note="Polyprotein nsP1234"
FT                   /id="PRO_0000308401"
FT   CHAIN           <1..538
FT                   /note="Polyprotein P123'"
FT                   /id="PRO_0000446654"
FT   CHAIN           <1..531
FT                   /note="Polyprotein P123"
FT                   /id="PRO_0000446655"
FT   CHAIN           1..538
FT                   /note="Non-structural protein 3'"
FT                   /id="PRO_0000041222"
FT   CHAIN           1..531
FT                   /note="Non-structural protein 3"
FT                   /id="PRO_0000446656"
FT   CHAIN           539..1149
FT                   /note="RNA-directed RNA polymerase nsP4"
FT                   /id="PRO_0000041223"
FT   DOMAIN          <1..160
FT                   /note="Macro"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00490"
FT   DOMAIN          903..1018
FT                   /note="RdRp catalytic"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00539"
FT   MOTIF           512..515
FT                   /note="FGDF; binding to host G3BP1"
FT                   /evidence="ECO:0000250|UniProtKB:P08411"
FT   MOTIF           523..526
FT                   /note="FGDF; binding to host G3BP1"
FT                   /evidence="ECO:0000250|UniProtKB:P08411"
FT   BINDING         10
FT                   /ligand="ADP-D-ribose"
FT                   /ligand_id="ChEBI:CHEBI:57967"
FT                   /evidence="ECO:0000250|UniProtKB:P36328"
FT   BINDING         24
FT                   /ligand="ADP-D-ribose"
FT                   /ligand_id="ChEBI:CHEBI:57967"
FT                   /evidence="ECO:0000250|UniProtKB:Q8JUX6"
FT   BINDING         32
FT                   /ligand="ADP-D-ribose"
FT                   /ligand_id="ChEBI:CHEBI:57967"
FT                   /evidence="ECO:0000250|UniProtKB:Q8JUX6"
FT   BINDING         112
FT                   /ligand="ADP-D-ribose"
FT                   /ligand_id="ChEBI:CHEBI:57967"
FT                   /evidence="ECO:0000250|UniProtKB:P36328"
FT   BINDING         113
FT                   /ligand="ADP-D-ribose"
FT                   /ligand_id="ChEBI:CHEBI:57967"
FT                   /evidence="ECO:0000250|UniProtKB:Q8JUX6"
FT   BINDING         114
FT                   /ligand="ADP-D-ribose"
FT                   /ligand_id="ChEBI:CHEBI:57967"
FT                   /evidence="ECO:0000250|UniProtKB:P36328"
FT   BINDING         262
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250|UniProtKB:P03317"
FT   BINDING         264
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250|UniProtKB:P03317"
FT   BINDING         287
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250|UniProtKB:P03317"
FT   BINDING         305
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250|UniProtKB:P03317"
FT   SITE            538..539
FT                   /note="Cleavage; by protease nsP2"
FT                   /evidence="ECO:0000250|UniProtKB:Q8JUX6"
FT   MOD_RES         344
FT                   /note="Phosphothreonine; by host"
FT                   /evidence="ECO:0000250|UniProtKB:Q8JUX6"
FT   NON_TER         1
FT   NON_TER         1149
SQ   SEQUENCE   1149 AA;  127267 MW;  5AB143F6AA775DCB CRC64;
     APSYRVRRTD ISGHAEEAVV NAANAKGTVG DGVCRAVARK WPDSFKGAAT PVGTAKLVQA
     NGMNVIHAVG PNFSTVTEAE GDRELAAAYR AVAGIINASN IKSVAIPLLS TGVFSGGKDR
     VMQSLNHLFT AMDTTDADVV IYCRDKAWEK KIQEAIDRRT AVELVSEDIS LESDLIRVHP
     DSCLVGRKGY SITDGKLHSY LEGTRFHQTA VDMAEISTLW PKLQDANEQI CLYALGESMD
     SIRTKCPVED ADSSTPPKTV PCLCRYAMTA ERVARLRMNN TKAIIVCSSF PLPKYRIEGV
     QKVKCDRVLI FDQTVPSLVS PRKYIPAAAS THADTVSLDS TVSTGSAWSF PSEATYETME
     VVAEVHHSEP PVPPPRRRRA QVTMHHQELL EVSDMHTPIA ARVEIPVYDT AVVVERVAIP
     CTSEYAKPIP APRAARVVPV PAPRIQRAST YRVSPTPTPR VLRASVCSVT TSAGVEFPWA
     PEDLEVLTEP VHCKMREPVE LPWEPEDVDI QFGDFETSDK IQFGDIDFDQ FXLGRAGAYI
     FSSDTGPGHL QQKSVRQHAL PCEMLYVHEE ERTYPPALDE AREKLLQAKM QMAPTEANKS
     RYQSRKVENM KAVIIDRLKD GARTYLTEQS EKIPTYVSKY PRPVYSPSVE DSLQNPEVAV
     AACNAFLEAN YPTVASYQIT DEYDAYLDMV DGSESCLDRA TFCPAKLRCY PKHHAYHQPQ
     VRSAVPSPFQ NTLQNVLAAA TKRNCNVTQM RELPTLDSAV LNVECFKKFA CNGEYWQEFK
     DNPIRITTEN ITTYVTRLKG PKAAALFAKT HNLVPLQEVP MDRFVVDMKR DVKVTPGTKH
     TEERPKVQVI QAAEPLATAY LCGIHRELVR RLKAVLAPNI HTLFDMSAED FDAIIAAHFQ
     PGDAVLETDI ASFDKSQDDS LALTALMLLE DLGVDQELLD LIEAAFGEIT SVHLPTGTRF
     KFGAMMKSGM FLTLFVNTLL NIVIACRVLR EKLTNSVCAA FIGDDNIVHG VRSDPLMAER
     CASWVNMEVK IIDATMCEKP PYFCGGFILY DKVTGSACRV ADPLKRLFKL GKPLPAGDTQ
     DEDRRRALKD ETDRWARVGL KSELEIALSS RYEVNGTGNI VRAMATLAKS LKNFKKLRGP
     IVHLYGGPK
 
 
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