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Entry version 80 (02 Dec 2020)
Sequence version 1 (01 Aug 1991)
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Protein

Genome polyprotein

Gene
N/A
Organism
Potato virus Y (strain O) (PVY)
Status
Reviewed-Annotation score:

Annotation score:3 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>
-Protein inferred from homologyi <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

required for aphid transmission and also has proteolytic activity. Only cleaves a Gly-Gly dipeptide at its own C-terminus. Interacts with virions and aphid stylets. Seems to act as suppressor of post-transcriptional gene silencing (PTGS), a mechanism of plant viral defense that limits the accumulation of viral RNAs. May have RNA-binding activity.

<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

  • Hydrolyzes a Gly-|-Gly bond at its own C-terminus, commonly in the sequence -Tyr-Xaa-Val-Gly-|-Gly, in the processing of the potyviral polyprotein. EC:3.4.22.45

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 sitei192For P1 proteinase activityPROSITE-ProRule annotation1
Active sitei201For P1 proteinase activityPROSITE-ProRule annotation1
Active sitei235For P1 proteinase activityPROSITE-ProRule annotation1
Active sitei626For helper component proteinase activityPROSITE-ProRule annotation1
Active sitei699For helper component proteinase activityPROSITE-ProRule annotation1

<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

<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 functionHydrolase, Protease, Serine protease, Thiol protease

<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 3 chains:
P1 proteinase (EC:3.4.-.-)
Alternative name(s):
N-terminal protein
Helper component proteinase (EC:3.4.22.45)
Short name:
HC-pro
<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>OrganismiPotato virus Y (strain O) (PVY)
<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 identifieri12220 [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 lineageiVirusesRiboviriaOrthornaviraePisuviricotaStelpaviricetesPatataviralesPotyviridaePotyvirus
<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 hostiCapsicum (peppers) [TaxID: 4071]
Nicotiana [TaxID: 4085]
Solanum lycopersicum (Tomato) (Lycopersicon esculentum) [TaxID: 4081]
Solanum tuberosum (Potato) [TaxID: 4113]

<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_00004200191 – 856Genome polyproteinAdd BLAST856
ChainiPRO_00000404201 – 284P1 proteinaseSequence analysisAdd BLAST284
ChainiPRO_0000040421285 – 740Helper component proteinaseSequence analysisAdd BLAST456
ChainiPRO_0000040422741 – ›856Protein P3Add BLAST›116

<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

Genome polyprotein of potyviruses undergoes post-translational proteolytic processing by the main proteinase NIa-pro resulting in the production of at least ten individual proteins. The P1 proteinase and the HC-pro cleave only their respective C-termini autocatalytically. 6K1 is essential for proper proteolytic separation of P3 from CI (By similarity).By similarity

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>Sitei284 – 285Cleavage; by P1 proteinasePROSITE-ProRule annotation2
Sitei740 – 741Cleavage; by autolysisPROSITE-ProRule annotation2

<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

3D structure databases

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

More...
SMRi
P22602

Database of comparative protein structure models

More...
ModBasei
Search...

<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>Domaini141 – 284Peptidase S30PROSITE-ProRule annotationAdd BLAST144
Domaini618 – 740Peptidase C6PROSITE-ProRule annotationAdd BLAST123

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>Motifi334 – 337Involved in interaction with stylet and aphid transmissionBy similarity4
Motifi592 – 594Involved in virions binding and aphid transmissionBy similarity3

<p>This subsection of the 'Family and domains' section provides general information on the biological role of a domain. The term 'domain' is intended here in its wide acceptation, it may be a structural domain, a transmembrane region or a functional domain. Several domains are described in this subsection.<p><a href='/help/domain_cc' target='_top'>More...</a></p>Domaini

The N-terminus of helper component proteinase is involved in interaction with stylets. The central part is involved in interaction with virions and the C-terminus is involved in cell-to cell movement of the virus.

<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

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
3.90.70.150, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR001456, HC-pro
IPR031159, HC_PRO_CPD_dom
IPR042308, HC_PRO_CPD_sf
IPR002540, Pept_S30_P1_potyvir
IPR039560, Potyvirid-P3

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00851, Peptidase_C6, 1 hit
PF01577, Peptidase_S30, 1 hit
PF13608, Potyvirid-P3, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS51744, HC_PRO_CPD, 1 hit
PS51871, PV_P1_PRO, 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>Sequencei

<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: Fragment.

<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.

P22602-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MATYMSTICF GSFECKLPYS PASCGHIVKE REVPASVDPF ADLETQLSAR
60 70 80 90 100
LRKQEYATVR VLKNGTFTYR YKTDAQIMRI QKKLERKDRE EYHFQMAAPS
110 120 130 140 150
IVSKITIAGG DPPSKSEPQA PRGIIHTTPK VRKVKTRPII KLTEGQMNHL
160 170 180 190 200
IKQVKQIMSE KRGSVHLISK KTTHVQYKEI LGATRAAVRT AHMMGLRRRV
210 220 230 240 250
DFRCDTWTVG LLQRLARTDK WSNQVRTIHV RRGDSGVILN TKSLKGHFGR
260 270 280 290 300
SSGDLFIVRG SHEGKLYDAR SRVTQSVLNS MIQFSNADNF WKGLDGNWAR
310 320 330 340 350
MRYPSDHTCV AGLPVADCGR VAALTRHSIL PCYKITCPTC AQQYASLPVS
360 370 380 390 400
DLFKLLHKHA RDGLNRLGAD KDRFIHVNKF LMALEHLTEP VDLNLELFNE
410 420 430 440 450
IFKSIGEKQQ APFKNLNVLN NFFLKGKENT AHEWQVAQLS LLELARFQKN
460 470 480 490 500
RTDNIKKGDI SFFRNKLSAR ANWNLYLSCD NQLDKNANFL WGQREYHAKR
510 520 530 540 550
FFSNFFDEID PAKGYSAYEI RKHPNGTRKL SIGNLVVPLD LAEFRQKMKG
560 570 580 590 600
DYRKQPGVSR KCTSSKDGNY VYPCCCTTLD DGSAIESTFY PPTKKHLVIG
610 620 630 640 650
NSGDQKFVDL PKGDSEMLYI AKQGYCYINV FLAMLINISE EDAKDFTKKV
660 670 680 690 700
RDMCVPKLGT WPTMMDLATT CAQMRIFYPD VHDAELPRIL VDHDTQTCHV
710 720 730 740 750
VDSFGSQTTG YHILKASSVS QLILFANDEL ESDIKHYRVG GVPNACPELG
760 770 780 790 800
STISPFREGG VIMSESAALK LLLKGIFRPR VMRQLLLDEP YLLILSILSP
810 820 830 840 850
GILMAMYNNG IFELAVRLWI NEKQSIAMIA SLLSALALRV SAAETLVAQR

IIIDAA
Length:856
Mass (Da):96,813
Last modified:August 1, 1991 - 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:i4645EB6D5FD0A0A2
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Sequence' section is used for sequence fragments to indicate that the residue at the extremity of the sequence is not the actual terminal residue in the complete protein sequence.<p><a href='/help/non_ter' target='_top'>More...</a></p>Non-terminal residuei8561

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
M37180 Genomic RNA Translation: AAA47184.1

Protein sequence database of the Protein Information Resource

More...
PIRi
A46341

<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

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
M37180 Genomic RNA Translation: AAA47184.1
PIRiA46341

3D structure databases

SMRiP22602
ModBaseiSearch...

Protocols and materials databases

ABCD curated depository of sequenced antibodies

More...
ABCDi
P22602, 3 sequenced antibodies

Family and domain databases

Gene3Di3.90.70.150, 1 hit
InterProiView protein in InterPro
IPR001456, HC-pro
IPR031159, HC_PRO_CPD_dom
IPR042308, HC_PRO_CPD_sf
IPR002540, Pept_S30_P1_potyvir
IPR039560, Potyvirid-P3
PfamiView protein in Pfam
PF00851, Peptidase_C6, 1 hit
PF01577, Peptidase_S30, 1 hit
PF13608, Potyvirid-P3, 1 hit
PROSITEiView protein in PROSITE
PS51744, HC_PRO_CPD, 1 hit
PS51871, PV_P1_PRO, 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_PVYO
<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: P22602
<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: August 1, 1991
Last sequence update: August 1, 1991
Last modified: December 2, 2020
This is version 80 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

Documents

  1. SIMILARITY comments
    Index of protein domains and families
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