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UniProtKB - P03305 (POLG_FMDVO)

Entry version 202 (02 Jun 2021)
Sequence version 1 (21 Jul 1986)
Previous versions | rss
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Protein

Genome polyprotein

Gene
N/A
Organism
Foot-and-mouth disease virus (isolate Bovine/Germany/O1Kaufbeuren/1966 serotype O) (FMDV)
Status
Reviewed-Annotation score:

Annotation score:5 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the 'correct annotation' for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>-Experimental evidence at protein leveli <p>This indicates the type of evidence that supports the existence of the protein. Note that the 'protein existence' evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

Autocatalytically cleaves itself from the polyprotein at the L/VP0 junction. Cleaves also the host translation initiation factors EIF4G1 and EIF4G3, in order to shutoff the capped cellular mRNA transcription. Plays a role in counteracting host innate antiviral response using diverse mechanisms. Possesses a deubiquitinase activity acting on both 'Lys'-48 and 'Lys'-63-linked polyubiquitin chains. In turn, inhibits the ubiquitination and subsequent activation of key signaling molecules of type I IFN response such as host DDX58, TBK1, TRAF3 and TRAF6. Inhibits host NF-kappa-B activity by inducing a decrease in RELA mRNA levels. Cleaves a peptide bond in the C-terminus of host ISG15, resulting in the damaging of this mofidier that can no longer be attached to target proteins. Cleaves also host G3BP1 and G3BP2 in order to inhibit cytoplasmic stress granules assembly.

By similarity6 Publications

Lies on the inner surface of the capsid shell. After binding to the host receptor, the capsid undergoes conformational changes. Capsid protein VP4 is released, capsid protein VP1 N-terminus is externalized, and together, they shape a pore in the host membrane through which the viral genome is translocated into the host cell cytoplasm. After genome has been released, the channel shrinks.

By similarity

Forms an icosahedral capsid of pseudo T=3 symmetry with capsid proteins VP1 and VP3. The capsid is composed of 60 copies of each capsid protein organized in the form of twelve pentamers and encloses the viral positive strand RNA genome.

1 Publication

Capsid protein V1: Forms an icosahedral capsid of pseudo T=3 symmetry with capsid proteins VP2 and VP3. The capsid is composed of 60 copies of each capsid protein organized in the form of twelve pentamers and encloses the viral positive strand RNA genome. Mediates cell entry by attachment to an integrin receptor, usually host ITGAV/ITGB6, via a conserved arginine-glycine-aspartic acid (R-G-D) motif.

4 Publications

Capsid protein V3: Forms an icosahedral capsid of pseudo T=3 symmetry with capsid proteins VP0 and VP3. The capsid is composed of 60 copies of each capsid protein organized in the form of twelve pentamers and encloses the viral positive strand RNA genome.

1 Publication

Mediates self-processing of the polyprotein by a translational effect termed 'ribosome skipping'. Mechanistically, 2A-mediated cleavage occurs between the C-terminal glycine and the proline of the downstream protein 2B. In the case of foot-and-mouth disease virus, the 2A oligopeptide is post-translationally 'trimmed' from the C-terminus of the upstream protein 1D by 3C proteinase.

1 Publication

Plays an essential role in the virus replication cycle by acting as a viroporin. Creates a pore in the host reticulum endoplasmic and as a consequence releases Ca2+ in the cytoplasm of infected cell. In turn, high levels of cytoplasmic calcium may trigger membrane trafficking and transport of viral ER-associated proteins to viroplasms, sites of viral genome replication.

1 Publication

Associates with and induces structural rearrangements of intracellular membranes. Triggers host autophagy by interacting with host BECN1 and thereby promotes viral replication. Participates in viral replication and interacts with host DHX9. Displays RNA-binding, nucleotide binding and NTPase activities. May play a role in virion morphogenesis and viral RNA encapsidation by interacting with the capsid protein VP3.

4 Publications

Plays important roles in virus replication, virulence and host range.

2 Publications

Covalently linked to the 5'-end of both the positive-strand and negative-strand genomic RNAs. Acts as a genome-linked replication primer.

1 Publication

Covalently linked to the 5'-end of both the positive-strand and negative-strand genomic RNAs. Acts as a genome-linked replication primer.

1 Publication

Covalently linked to the 5'-end of both the positive-strand and negative-strand genomic RNAs. Acts as a genome-linked replication primer.

1 Publication

Cysteine protease that generates mature viral proteins from the precursor polyprotein. In addition to its proteolytic activity, binds to viral RNA and thus influences viral genome replication. RNA and substrate bind cooperatively to the protease.

1 Publication

RNA-directed RNA polymerase 3D-POL replicates genomic and antigenomic RNA by recognizing replications specific signals. Covalently attaches UMP to a tyrosine of VPg, which is used to prime RNA synthesis. The positive stranded RNA genome is first replicated at virus induced membranous vesicles, creating a dsRNA genomic replication form. This dsRNA is then used as template to synthesize positive stranded RNA genomes. ss+RNA genomes are either translated, replicated or encapsidated.

PROSITE-ProRule annotation1 Publication

Miscellaneous

contains the main antigenic determinants of the virion; therefore, changes in its sequence must be responsible for the high antigenic variability of the virus.

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes the catalytic activity of an enzyme, i.e. a chemical reaction that the enzyme catalyzes.<p><a href='/help/catalytic_activity' target='_top'>More...</a></p>Catalytic activityi

  • Autocatalytically cleaves itself from the polyprotein of the foot-and-mouth disease virus by hydrolysis of a Lys-|-Gly bond, but then cleaves host cell initiation factor eIF-4G at bonds -Gly-|-Arg- and -Lys-|-Arg-. EC:3.4.22.46
  • Selective cleavage of Gln-|-Gly bond in the poliovirus polyprotein. In other picornavirus reactions Glu may be substituted for Gln, and Ser or Thr for Gly.PROSITE-ProRule annotation EC:3.4.22.28

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section is used for enzymes and indicates the residues directly involved in catalysis.<p><a href='/help/act_site' target='_top'>More...</a></p>Active sitei51For leader protease activity1
Active sitei148For leader protease activity1
Active sitei163For leader protease activity1
Active sitei1695For protease 3C activity; Proton donor/acceptorPROSITE-ProRule annotation1
Active sitei1733For protease 3C activityPROSITE-ProRule annotation1
Active sitei1812For protease 3C activityPROSITE-ProRule annotation1
Active sitei2200For RdRp activityBy similarity1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes a region in the protein which binds nucleotide phosphates. It always involves more than one amino acid and includes all residues involved in nucleotide-binding.<p><a href='/help/np_bind' target='_top'>More...</a></p>Nucleotide bindingi1217 – 1224ATPPROSITE-ProRule annotation8

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

Complete GO annotation on QuickGO ...

GO - Biological processi

Complete GO annotation on QuickGO ...

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

Molecular functionHelicase, Hydrolase, Ion channel, Nucleotidyltransferase, Protease, RNA-binding, RNA-directed RNA polymerase, Thiol protease, Transferase, Viral ion channel
Biological processClathrin- and caveolin-independent endocytosis of virus by host, Clathrin-mediated endocytosis of virus by host, Host-virus interaction, Ion transport, Modulation of host chromatin by virus, Translation regulation, Transport, Viral attachment to host cell, Viral penetration into host cytoplasm, Viral RNA replication, Virus endocytosis by host, Virus entry into host cell
LigandATP-binding, Nucleotide-binding

Enzyme and pathway databases

BRENDA Comprehensive Enzyme Information System

More...BRENDAi		3.4.22.46, 2315

Protein family/group databases

MEROPS protease database

More...MEROPSi		C03.008

Transport Classification Database

More...TCDBi		1.A.85.1.8, the poliovirus 2b viroporin (2b viroporin) family

UniLectin database of carbohydrate-binding proteins

More...UniLectini		P03305

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
Genome polyprotein
Cleaved into the following 15 chains:
Leader protease (EC:3.4.22.461 Publication)
Short name:
Lb(pro)
Capsid protein VP0
Alternative name(s):
VP4-VP2
Capsid protein VP4
Alternative name(s):
P1A
Virion protein 4
Capsid protein VP2
Alternative name(s):
P1B
Virion protein 2
Capsid protein VP3
Alternative name(s):
P1C
Virion protein 3
Capsid protein VP1
Alternative name(s):
P1D
Virion protein 1
Protein 2A
Short name:
P2A
Alternative name(s):
P52
Protein 2B
Short name:
P2B
Protein 2C (EC:3.6.1.15)
Short name:
P2C
Protein 3A
Short name:
P3A
Protein 3B-1
Short name:
P3B-1
Alternative name(s):
Genome-linked protein VPg1
Protein 3B-2
Short name:
P3B-2
Alternative name(s):
Genome-linked protein VPg2
Protein 3B-3
Short name:
P3B-3
Alternative name(s):
Genome-linked protein VPg3
Protease 3C (EC:3.4.22.281 Publication)
Alternative name(s):
Picornain 3C
Short name:
P3C
Protease P20B
RNA-directed RNA polymerase 3D-POL (EC:2.7.7.48)
Short name:
P3D-POL
Alternative name(s):
P56A
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiFoot-and-mouth disease virus (isolate Bovine/Germany/O1Kaufbeuren/1966 serotype O) (FMDV)
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the 'taxonomic identifier' or 'taxid'.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri73482 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiViruses › Riboviria › Orthornavirae › Pisuviricota › Pisoniviricetes › Picornavirales › Picornaviridae › Aphthovirus ›
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section only exists in viral entries and indicates the host(s) either as a specific organism or taxonomic group of organisms that are susceptible to be infected by a virus.<p><a href='/help/virus_host' target='_top'>More...</a></p>Virus hostiBos taurus (Bovine) [TaxID: 9913]
Capra hircus (Goat) [TaxID: 9925]
Cervidae (deer) [TaxID: 9850]
Erinaceidae (hedgehogs) [TaxID: 9363]
Loxodonta africana (African elephant) [TaxID: 9785]
Ovis aries (Sheep) [TaxID: 9940]
Rattus norvegicus (Rat) [TaxID: 10116]
Sus scrofa (Pig) [TaxID: 9823]
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000008765 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes%5Fmanual">proteome</a> can consist of several components.<br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Genome

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular%5Flocation%5Fsection">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini1 – 1480CytoplasmicSequence analysisAdd BLAST1480
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular%5Flocation%5Fsection">'Subcellular location'</a> section describes the extent of a region that is buried within a membrane, but does not cross it.<p><a href='/help/intramem' target='_top'>More...</a></p>Intramembranei1481 – 1501Sequence analysisAdd BLAST21
Topological domaini1502 – 2332CytoplasmicSequence analysisAdd BLAST831

Keywords - Cellular componenti

Capsid protein, Host cytoplasm, Host cytoplasmic vesicle, Host endoplasmic reticulum, Host membrane, Host nucleus, Membrane, T=pseudo3 icosahedral capsid protein, Virion

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'PTM / Processing' section describes the extent of a polypeptide chain in the mature protein following processing or proteolytic cleavage.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00000398721 – 2332Genome polyproteinAdd BLAST2332
ChainiPRO_00000398731 – 201Leader proteaseAdd BLAST201
ChainiPRO_0000374076202 – 504Capsid protein VP0Sequence analysisAdd BLAST303
ChainiPRO_0000039876202 – 286Capsid protein VP4Sequence analysisAdd BLAST85
ChainiPRO_0000039877287 – 504Capsid protein VP2Sequence analysisAdd BLAST218
ChainiPRO_0000039878505 – 724Capsid protein VP3Sequence analysisAdd BLAST220
ChainiPRO_0000039879725 – 935Capsid protein VP1Add BLAST211
ChainiPRO_0000039880936 – 953Protein 2ASequence analysisAdd BLAST18
ChainiPRO_0000310976954 – 1107Protein 2BSequence analysisAdd BLAST154
ChainiPRO_00000398811108 – 1425Protein 2CSequence analysisAdd BLAST318
ChainiPRO_00000398821426 – 1578Protein 3ASequence analysisAdd BLAST153
ChainiPRO_00000398831579 – 1601Protein 3B-1Sequence analysisAdd BLAST23
ChainiPRO_00003109771602 – 1625Protein 3B-2Sequence analysisAdd BLAST24
ChainiPRO_00003109781626 – 1649Protein 3B-3Sequence analysisAdd BLAST24
ChainiPRO_00000398841650 – 1862Protease 3CSequence analysisAdd BLAST213
ChainiPRO_00000398851863 – 2332RNA-directed RNA polymerase 3D-POLSequence analysisAdd BLAST470

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm%5Fprocessing%5Fsection">PTM / Processing</a> section specifies the position(s) and the type of covalently attached lipid group(s).<p><a href='/help/lipid' target='_top'>More...</a></p>Lipidationi202N-myristoyl glycine; by hostBy similarity1
<p>This subsection of the PTM / Processing":/help/ptm_processing_section section describes the positions of cysteine residues participating in disulfide bonds.<p><a href='/help/disulfid' target='_top'>More...</a></p>Disulfide bondi406 ↔ 858Interchain (between VP2 and VP1 chains)
Disulfide bondi511Interchain; in VP3 dimer
<p>This subsection of the 'PTM / Processing' section specifies the position and type of each modified residue excluding <a href="http://www.uniprot.org/manual/lipid">lipids</a>, <a href="http://www.uniprot.org/manual/carbohyd">glycans</a> and <a href="http://www.uniprot.org/manual/crosslnk">protein cross-links</a>.<p><a href='/help/mod_res' target='_top'>More...</a></p>Modified residuei1581O-(5'-phospho-RNA)-tyrosineBy similarity1
Modified residuei1604O-(5'-phospho-RNA)-tyrosineBy similarity1
Modified residuei1628O-(5'-phospho-RNA)-tyrosineBy similarity1

<p>This subsection of the <a href="http://www.uniprot.org/help/ptm%5Fprocessing%5Fsection">PTM/processing</a> section describes post-translational modifications (PTMs). This subsection <strong>complements</strong> the information provided at the sequence level or describes modifications for which <strong>position-specific data is not yet available</strong>.<p><a href='/help/post-translational_modification' target='_top'>More...</a></p>Post-translational modificationi

Removes six residues from its own C-terminus, generating sLb(pro).1 Publication
Specific enzymatic cleavages in vivo by the viral proteases yield a variety of precursors and mature proteins. The polyprotein seems to be cotranslationally cleaved at the 2A/2B junction by a ribosomal skip from one codon to the next without formation of a peptide bond. This process would release the L-P1-2A peptide from the translational complex.1 Publication
During virion maturation, immature virions are rendered infectious following cleavage of VP0 into VP4 and VP2. This maturation seems to be an autocatalytic event triggered by the presence of RNA in the capsid and is followed by a conformational change of the particle.By similarity
Myristoylation is required during RNA encapsidation and formation of the mature virus particle.By similarity
Uridylylated by the polymerase and are covalently linked to the 5'-end of genomic RNA. These uridylylated forms act as a nucleotide-peptide primer for the polymerase.1 Publication
Uridylylated by the polymerase and are covalently linked to the 5'-end of genomic RNA. These uridylylated forms act as a nucleotide-peptide primer for the polymerase.1 Publication
Uridylylated by the polymerase and are covalently linked to the 5'-end of genomic RNA. These uridylylated forms act as a nucleotide-peptide primer for the polymerase.1 Publication

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection describes interesting single amino acid sites on the sequence that are not defined in any other subsection. This subsection can be displayed in different sections ('Function', 'PTM / Processing', 'Pathology and Biotech') according to its content.<p><a href='/help/site' target='_top'>More...</a></p>Sitei201 – 202Cleavage; by leader proteaseSequence analysis2
Sitei286 – 287CleavageSequence analysis2
Sitei504 – 505Cleavage; by picornain 3CSequence analysis2
Sitei724 – 725Cleavage; by picornain 3CSequence analysis2
Sitei935 – 936Cleavage; by picornain 3CSequence analysis2
Sitei953 – 954Cleavage; by ribosomal skipSequence analysis2
Sitei1107 – 1108Cleavage; by picornain 3CSequence analysis2
Sitei1425 – 1426Cleavage; by picornain 3CSequence analysis2
Sitei1578 – 1579Cleavage; by picornain 3CSequence analysis2
Sitei1601 – 1602Cleavage; by picornain 3CSequence analysis2
Sitei1625 – 1626Cleavage; by picornain 3CSequence analysis2
Sitei1649 – 1650Cleavage; by picornain 3CSequence analysis2
Sitei1862 – 1863Cleavage; by picornain 3CSequence analysis2

Keywords - PTMi

Autocatalytic cleavage, Covalent protein-RNA linkage, Disulfide bond, Lipoprotein, Myristate, Phosphoprotein

Proteomic databases

PRoteomics IDEntifications database

More...PRIDEi		P03305

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

<p>This subsection of the <a href="http://www.uniprot.org/help/interaction%5Fsection">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function%5Fsection">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Interacts with host ISG15 (PubMed:29463763).

1 Publication

Interacts (via R-G-D motif) with host ITGAV/ITGB6 (PubMed:28534487).

1 Publication

Forms homooligomers.

Curated

Interacts with host VIM (PubMed:23576498).

Interacts with host BECN1 (PubMed:22933281).

2 Publications

Interacts with host DCTN3 (PubMed:24352458).

1 Publication

Protein-protein interaction databases

The Eukaryotic Linear Motif resource for Functional Sites in Proteins

More...ELMi		P03305

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

Secondary structure

12332
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details

3D structure databases

Biological Magnetic Resonance Data Bank

More...BMRBi		P03305

SWISS-MODEL Repository - a database of annotated 3D protein structure models

More...SMRi		P03305

Database of comparative protein structure models

More...ModBasei		Search...

Protein Data Bank in Europe - Knowledge Base

More...PDBe-KBi		Search...

Miscellaneous databases

Relative evolutionary importance of amino acids within a protein sequence

More...EvolutionaryTracei		P03305

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/family%5Fand%5Fdomains%5Fsection">Family and Domains</a> section describes the position and type of a domain, which is defined as a specific combination of secondary structures organized into a characteristic three-dimensional structure or fold.<p><a href='/help/domain' target='_top'>More...</a></p>Domaini1 – 201Peptidase C28Add BLAST201
Domaini1189 – 1353SF3 helicasePROSITE-ProRule annotationAdd BLAST165
Domaini1652 – 1848Peptidase C3PROSITE-ProRule annotationAdd BLAST197
Domaini2096 – 2214RdRp catalyticPROSITE-ProRule annotationAdd BLAST119

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and Domains' section describes a region of interest that cannot be described in other subsections.<p><a href='/help/region' target='_top'>More...</a></p>Regioni197 – 218DisorderedSequence analysisAdd BLAST22
Regioni237 – 265DisorderedSequence analysisAdd BLAST29
Regioni1529 – 1584DisorderedSequence analysisAdd BLAST56

Motif

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and Domains' section describes a short (usually not more than 20 amino acids) conserved sequence motif of biological significance.<p><a href='/help/motif' target='_top'>More...</a></p>Motifi869 – 871Cell attachment site1 Publication3
Motifi1879 – 1886Nuclear localization signal1 Publication8

Compositional bias

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and Domains' section describes the position of regions of compositional bias within the protein and the particular type of amino acids that are over-represented within those regions.<p><a href='/help/compbias' target='_top'>More...</a></p>Compositional biasi203 – 218Polar residuesSequence analysisAdd BLAST16

<p>This subsection of the 'Family and domains' section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Belongs to the picornaviruses polyprotein family.Curated

Family and domain databases

Conserved Domains Database

More...CDDi		cd00205, rhv_like, 3 hits

Database of protein disorder

More...DisProti		DP00573

Gene3D Structural and Functional Annotation of Protein Families

More...Gene3Di		2.40.10.10, 2 hits
2.60.120.20, 3 hits
3.30.70.270, 2 hits
4.10.90.10, 1 hit

Integrated resource of protein families, domains and functional sites

More...InterProi		View protein in InterPro
IPR015031, Capsid_VP4_Picornavir
IPR037080, Capsid_VP4_sf_Picornavirus
IPR043502, DNA/RNA_pol_sf
IPR004080, FMDV_VP1_coat
IPR004004, Helic/Pol/Pept_Calicivir-typ
IPR000605, Helicase_SF3_ssDNA/RNA_vir
IPR014759, Helicase_SF3_ssRNA_vir
IPR027417, P-loop_NTPase
IPR038765, Papain-like_cys_pep_sf
IPR044067, PCV_3C_PRO
IPR008739, Peptidase_C28
IPR000199, Peptidase_C3A/C3B_picornavir
IPR009003, Peptidase_S1_PA
IPR043504, Peptidase_S1_PA_chymotrypsin
IPR001676, Picornavirus_capsid
IPR043128, Rev_trsase/Diguanyl_cyclase
IPR033703, Rhv-like
IPR001205, RNA-dir_pol_C
IPR007094, RNA-dir_pol_PSvirus
IPR029053, Viral_coat

Pfam protein domain database

More...Pfami		View protein in Pfam
PF05408, Peptidase_C28, 1 hit
PF00548, Peptidase_C3, 1 hit
PF00680, RdRP_1, 1 hit
PF00073, Rhv, 3 hits
PF00910, RNA_helicase, 1 hit
PF08935, VP4_2, 1 hit

Protein Motif fingerprint database; a protein domain database

More...PRINTSi		PR00918, CALICVIRUSNS
PR01542, FMDVP1COAT

Superfamily database of structural and functional annotation

More...SUPFAMi		SSF50494, SSF50494, 1 hit
SSF52540, SSF52540, 1 hit
SSF54001, SSF54001, 1 hit
SSF56672, SSF56672, 1 hit

PROSITE; a protein domain and family database

More...PROSITEi		View protein in PROSITE
PS51887, APHTHOVIRUS_LPRO, 1 hit
PS51874, PCV_3C_PRO, 1 hit
PS50507, RDRP_SSRNA_POS, 1 hit
PS51218, SF3_HELICASE_2, 1 hit

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence%5Flength">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>. The information is filed in different subsections. The current subsections and their content are listed below:<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequences (2)i

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">canonical sequence</a> displayed by default in the entry is in its mature form or if it represents the precursor.<p><a href='/help/sequence_processing' target='_top'>More...</a></p>Sequence processingi: The displayed sequence is further processed into a mature form.

This entry describes 2 <p>This subsection of the 'Sequence' section lists the alternative protein sequences (isoforms) that can be generated from the same gene by a single or by the combination of up to four biological events (alternative promoter usage, alternative splicing, alternative initiation and ribosomal frameshifting). Additionally, this section gives relevant information on each alternative protein isoform.<p><a href='/help/alternative_products' target='_top'>More...</a></p> isoformsi produced by alternative initiation. AlignAdd to basket
Isoform Lab (identifier: P03305-1) [UniParc]FASTAAdd to basket

This isoform has been chosen as the <div> <p><b>What is the canonical sequence?</b><p><a href='/help/canonical_and_isoforms' target='_top'>More...</a></p>canonicali sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

« Hide
        10         20         30         40         50
MNTTDCFIAL VQAIREIKAL FLSRTTGKME LTLYNGEKKT FYSRPNNHDN 
        60         70         80         90        100
CWLNAILQLF RYVEEPFFDW VYSSPENLTL EAIKQLEDLT GLELHEGGPP 
       110        120        130        140        150
ALVIWNIKHL LHTGIGTASR PSEVCMVDGT DMCLADFHAG IFLKGQEHAV 
       160        170        180        190        200
FACVTSNGWY AIDDEDFYPW TPDPSDVLVF VPYDQEPLNG EWKAKVQRKL 
       210        220        230        240        250
KGAGQSSPAT GSQNQSGNTG SIINNYYMQQ YQNSMDTQLG DNAISGGSNE 
       260        270        280        290        300
GSTDTTSTHT TNTQNNDWFS KLASSAFSGL FGALLADKKT EETTLLEDRI 
       310        320        330        340        350
LTTRNGHTTS TTQSSVGVTY GYATAEDFVS GPNTSGLETR VVQAERFFKT 
       360        370        380        390        400
HLFDWVTSDS FGRCHLLELP TDHKGVYGSL TDSYAYMRNG WDVEVTAVGN 
       410        420        430        440        450
QFNGGCLLVA MVPELYSIQK RELYQLTLFP HQFINPRTNM TAHITVPFVG 
       460        470        480        490        500
VNRYDQYKVH KPWTLVVMVV APLTVNTEGA PQIKVYANIA PTNVHVAGEF 
       510        520        530        540        550
PSKEGIFPVA CSDGYGGLVT TDPKTADPVY GKVFNPPRNQ LPGRFTNLLD 
       560        570        580        590        600
VAEACPTFLR FEGGVPYVTT KTDSDRVLAQ FDMSLAAKQM SNTFLAGLAQ 
       610        620        630        640        650
YYTQYSGTIN LHFMFTGPTD AKARYMVAYA PPGMEPPKTP EAAAHCIHAE 
       660        670        680        690        700
WDTGLNSKFT FSIPYLSAAD YAYTASGVAE TTNVQGWVCL FQITHGKADG 
       710        720        730        740        750
DALVVLASAG KDFELRLPVD ARAETTSAGE SADPVTTTVE NYGGETQIQR 
       760        770        780        790        800
RQHTDVSFIM DRFVKVTPQN QINILDLMQI PSHTLVGALL RASTYYFSDL 
       810        820        830        840        850
EIAVKHEGDL TWVPNGAPEK ALDNTTNPTA YHKAPLTRLA LPYTAPHRVL 
       860        870        880        890        900
ATVYNGECRY NRNAVPNLRG DLQVLAQKVA RTLPTSFNYG AIKATRVTEL 
       910        920        930        940        950
LYRMKRAETY CPRPLLAIHP TEARHKQKIV APVKQTLNFD LLKLAGDVES 
       960        970        980        990       1000
NPGPFFFSDV RSNFSKLVET INQMQEDMST KHGPDFNRLV SAFEELAIGV 
      1010       1020       1030       1040       1050
KAIRTGLDEA KPWYKLIKLL SRLSCMAAVA ARSKDPVLVA IMLADTGLEI 
      1060       1070       1080       1090       1100
LDSTFVVKKI SDSLSSLFHV PAPVFSFGAP VLLAGLVKVA SSFFRSTPED 
      1110       1120       1130       1140       1150
LERAEKQLKA RDINDIFAIL KNGEWLVKLI LAIRDWIKAW IASEEKFVTM 
      1160       1170       1180       1190       1200
TDLVPGILEK QRDLNDPSKY KEAKEWLDNA RQACLKSGNV HIANLCKVVA 
      1210       1220       1230       1240       1250
PAPSKSRPEP VVVCLRGKSG QGKSFLANVL AQAISTHFTG RIDSVWYCPP 
      1260       1270       1280       1290       1300
DPDHFDGYNQ QTVVVMDDLG QNPDGKDFKY FAQMVSTTGF IPPMASLEDK 
      1310       1320       1330       1340       1350
GKPFNSKVII ATTNLYSGFT PRTMVCPDAL NRRFHFDIDV SAKDGYKINS 
      1360       1370       1380       1390       1400
KLDIIKALED THANPVAMFQ YDCALLNGMA VEMKRMQQDM FKPQPPLQNV 
      1410       1420       1430       1440       1450
YQLVQEVIDR VELHEKVSSH PIFKQISIPS QKSVLYFLIE KGQHEAAIEF 
      1460       1470       1480       1490       1500
FEGMVHDSIK EELRPLIQQT SFVKRAFKRL KENFEIVALC LTLLANIVIM 
      1510       1520       1530       1540       1550
IRETRKRQKM VDDAVNEYIE KANITTDDKT LDEAEKSPLE TSGASTVGFR 
      1560       1570       1580       1590       1600
ERTLPGQKAC DDVNSEPAQP VEEQPQAEGP YAGPLERQKP LKVRAKLPQQ 
      1610       1620       1630       1640       1650
EGPYAGPMER QKPLKVKAKA PVVKEGPYEG PVKKPVALKV KAKNLIVTES 
      1660       1670       1680       1690       1700
GAPPTDLQKM VMGNTKPVEL ILDGKTVAIC CATGVFGTAY LVPRHLFAEK 
      1710       1720       1730       1740       1750
YDKIMVDGRA MTDSDYRVFE FEIKVKGQDM LSDAALMVLH RGNRVRDITK 
      1760       1770       1780       1790       1800
HFRDTARMKK GTPVVGVINN ADVGRLIFSG EALTYKDIVV CMDGDTMPGL 
      1810       1820       1830       1840       1850
FAYRAATKAG YCGGAVLAKD GADTFIVGTH SAGGNGVGYC SCVSRSMLLK 
      1860       1870       1880       1890       1900
MKAHIDPEPH HEGLIVDTRD VEERVHVMRK TKLAPTVAHG VFNPEFGPAA 
      1910       1920       1930       1940       1950
LSNKDPRLNE GVVLDEVIFS KHKGDTKMSE EDKALFRRCA ADYASRLHSV 
      1960       1970       1980       1990       2000
LGTANAPLSI YEAIKGVDGL DAMEPDTAPG LPWALQGKRR GALIDFENGT 
      2010       2020       2030       2040       2050
VGPEVEAALK LMEKREYKFV CQTFLKDEIR PLEKVRAGKT RIVDVLPVEH 
      2060       2070       2080       2090       2100
ILYTRMMIGR FCAQMHSNNG PQIGSAVGCN PDVDWQRFGT HFAQYRNVWD 
      2110       2120       2130       2140       2150
VDYSAFDANH CSDAMNIMFE EVFRTEFGFH PNAEWILKTL VNTEHAYENK 
      2160       2170       2180       2190       2200
RITVGGGMPS GCSATSIINT ILNNIYVLYA LRRHYEGVEL DTYTMISYGD 
      2210       2220       2230       2240       2250
DIVVASDYDL DFEALKPHFK SLGQTITPAD KSDKGFVLGH SITDVTFLKR 
      2260       2270       2280       2290       2300
HFHMDYGTGF YKPVMASKTL EAILSFARRG TIQEKLISVA GLAVHSGPDE 
      2310       2320       2330 
YRRLFEPFQG LFEIPSYRSL YLRWVNAVCG DA
Length:2,332
Mass (Da):258,927
Last modified:July 21, 1986 - v1
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:i4A83176F43447D68
GO
Isoform Lb (identifier: P03305-2) [UniParc]FASTAAdd to basket

The sequence of this isoform differs from the canonical sequence as follows:
     1-28: Missing.

Show »
Length:2,304
Mass (Da):255,803
Checksum:i5372D197CC761349
GO

Natural variant

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Sequence' section describes natural variant(s) of the protein sequence.<p><a href='/help/variant' target='_top'>More...</a></p>Natural varianti780I → V in strain: Isolate O1BFS. 1
Natural varianti808G → R in strain: Isolate O1BFS. 1
Natural varianti861N → S in strain: Isolate O1BFS. 1

Alternative sequence

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Sequence' section describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting.<p><a href='/help/var_seq' target='_top'>More...</a></p>Alternative sequenceiVSP_0189821 – 28Missing in isoform Lb. CuratedAdd BLAST28

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...EMBLi

GenBank nucleotide sequence database

More...GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...DDBJi
Links Updated
X00871 Genomic RNA Translation: CAA25416.1
J02185 Genomic RNA Translation: AAA42635.1

Genome annotation databases

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...KEGGi		ag:CAA25416

Keywords - Coding sequence diversityi

Alternative initiation

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

<p>This subsection of the <a href="http://www.uniprot.org/manual/cross%5Freferences%5Fsection">Cross-references</a> section provides links to various web resources that are relevant for a specific protein.<p><a href='/help/web_resource' target='_top'>More...</a></p>Web resourcesi

Virus Particle ExploreR db

Icosahedral capsid structure

Virus Particle ExploreR db

Icosahedral capsid structure

Virus Particle ExploreR db

Icosahedral capsid structure complexed with oligosaccharide receptor

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X00871 Genomic RNA Translation: CAA25416.1
J02185 Genomic RNA Translation: AAA42635.1

3D structure databases

Select the link destinations:

Protein Data Bank Europe

More...PDBei

Protein Data Bank RCSB

More...RCSB PDBi

Protein Data Bank Japan

More...PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
1QMYX-ray1.90A/B/C29-195[»]
1QOLX-ray3.00A/B/C/D/E/F/G/H29-201[»]
1QQPX-ray1.901725-937[»]
2287-504[»]
3505-724[»]
4202-286[»]
2JQFNMR-R/S29-201[»]
2JQGNMR-R29-195[»]
4QBBX-ray1.60A/B/C29-195[»]
6FFAX-ray1.50A29-195[»]
BMRBiP03305
SMRiP03305
ModBaseiSearch...
PDBe-KBiSearch...

Protein-protein interaction databases

ELMiP03305

Protein family/group databases

MEROPSiC03.008
TCDBi1.A.85.1.8, the poliovirus 2b viroporin (2b viroporin) family
UniLectiniP03305

Proteomic databases

PRIDEiP03305

Genome annotation databases

KEGGiag:CAA25416

Enzyme and pathway databases

BRENDAi3.4.22.46, 2315

Miscellaneous databases

EvolutionaryTraceiP03305

Family and domain databases

CDDicd00205, rhv_like, 3 hits
DisProtiDP00573
Gene3Di2.40.10.10, 2 hits
2.60.120.20, 3 hits
3.30.70.270, 2 hits
4.10.90.10, 1 hit
InterProiView protein in InterPro
IPR015031, Capsid_VP4_Picornavir
IPR037080, Capsid_VP4_sf_Picornavirus
IPR043502, DNA/RNA_pol_sf
IPR004080, FMDV_VP1_coat
IPR004004, Helic/Pol/Pept_Calicivir-typ
IPR000605, Helicase_SF3_ssDNA/RNA_vir
IPR014759, Helicase_SF3_ssRNA_vir
IPR027417, P-loop_NTPase
IPR038765, Papain-like_cys_pep_sf
IPR044067, PCV_3C_PRO
IPR008739, Peptidase_C28
IPR000199, Peptidase_C3A/C3B_picornavir
IPR009003, Peptidase_S1_PA
IPR043504, Peptidase_S1_PA_chymotrypsin
IPR001676, Picornavirus_capsid
IPR043128, Rev_trsase/Diguanyl_cyclase
IPR033703, Rhv-like
IPR001205, RNA-dir_pol_C
IPR007094, RNA-dir_pol_PSvirus
IPR029053, Viral_coat
PfamiView protein in Pfam
PF05408, Peptidase_C28, 1 hit
PF00548, Peptidase_C3, 1 hit
PF00680, RdRP_1, 1 hit
PF00073, Rhv, 3 hits
PF00910, RNA_helicase, 1 hit
PF08935, VP4_2, 1 hit
PRINTSiPR00918, CALICVIRUSNS
PR01542, FMDVP1COAT
SUPFAMiSSF50494, SSF50494, 1 hit
SSF52540, SSF52540, 1 hit
SSF54001, SSF54001, 1 hit
SSF56672, SSF56672, 1 hit
PROSITEiView protein in PROSITE
PS51887, APHTHOVIRUS_LPRO, 1 hit
PS51874, PCV_3C_PRO, 1 hit
PS50507, RDRP_SSRNA_POS, 1 hit
PS51218, SF3_HELICASE_2, 1 hit

MobiDB: a database of protein disorder and mobility annotations

More...MobiDBi		Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the 'Entry information' section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiPOLG_FMDVO
<p>This subsection of the 'Entry information' section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called 'Primary (citable) accession number'.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: P03305
<p>This subsection of the 'Entry information' section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification ('Last modified'). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 21, 1986
Last sequence update: July 21, 1986
Last modified: June 2, 2021
This is version 202 of the entry and version 1 of the sequence. See complete history.
<p>This subsection of the 'Entry information' section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programViral Protein Annotation Program

<p>This section contains any relevant information that doesn't fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

3D-structure

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. SIMILARITY comments
    Index of protein domains and families
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