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Entry version 47 (07 Apr 2021)
Sequence version 1 (18 Apr 2012)
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Protein

RNA-directed RNA polymerase catalytic subunit

Gene

PB1

Organism
Influenza A virus (A/little yellow-shouldered bat/Guatemala/060/2010(H17N10))
Status
Unreviewed-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>
-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

RNA-dependent RNA polymerase which is responsible for replication and transcription of virus RNA segments. The transcription of viral mRNAs occurs by a unique mechanism called cap-snatching. 5' methylated caps of cellular mRNAs are cleaved after 10-13 nucleotides by PA. In turn, these short capped RNAs are used as primers by PB1 for transcription of viral mRNAs. During virus replication, PB1 initiates RNA synthesis and copy vRNA into complementary RNA (cRNA) which in turn serves as a template for the production of more vRNAs.

ARBA annotation

<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

<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

GO - Biological processi

<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 functionNucleotidyltransferase, RNA-directed RNA polymeraseUniRule annotation, Transferase
Biological processEukaryotic host gene expression shutoff by virus, Eukaryotic host transcription shutoff by virus, Host gene expression shutoff by virus, Host-virus interaction, Inhibition of host RNA polymerase II by virusARBA annotation, Viral transcriptionARBA annotation

<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:
RNA-directed RNA polymerase catalytic subunitUniRule annotationARBA annotation (EC:2.7.7.48UniRule annotationARBA annotation)
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: 'Name', 'Synonyms', 'Ordered locus names' and 'ORF names'.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:PB1Imported
<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>OrganismiInfluenza A virus (A/little yellow-shouldered bat/Guatemala/060/2010(H17N10))Imported
<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 identifieri1129347 [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 lineageiVirusesRiboviriaOrthornaviraeNegarnaviricotaPolyploviricotinaInsthoviricetesArticulaviralesOrthomyxoviridaeAlphainfluenzavirus
<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
  • UP000129991 <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

Keywords - Cellular componenti

Host cytoplasmARBA annotation, Host nucleusARBA annotation

<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

Keywords - PTMi

PhosphoproteinARBA annotation

<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

Influenza RNA polymerase is composed of three subunits: PB1, PB2 and PA.

Interacts (via N-terminus) with PA (via C-terminus).

Interacts (via C-terminus) with PB2 (via N-terminus); this interaction is essential for transcription initiation.

ARBA annotation

Protein-protein interaction databases

Database of interacting proteins

More...
DIPi
DIP-61350N

Protein interaction database and analysis system

More...
IntActi
H6QM91, 1 interactor

<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
H6QM91

Database of comparative protein structure models

More...
ModBasei
Search...

Protein Data Bank in Europe - Knowledge Base

More...
PDBe-KBi
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>Domaini286 – 483RdRp catalyticInterPro annotationAdd BLAST198

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR007099, RNA-dir_pol_NSvirus
IPR001407, RNA_pol_PB1_influenza

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00602, Flu_PB1, 1 hit

PIRSF; a whole-protein classification database

More...
PIRSFi
PIRSF000827, RdRPol_OMV, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS50525, RDRP_SSRNA_NEG_SEG, 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: Complete.

H6QM91-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MDVNPMLIFL KVPVQNAIST TFPYTGDPPY SHGTGTGYTM DTVIRTHDYS
60 70 80 90 100
SRGIWKTNSE TGAQQLNPID GPLPEDNEPS GYAQTDCVLE LIEGLDRSHP
110 120 130 140 150
GLFETACQET IDAIQQTRVD KLTQGRQTYD WTLNRNQPAA TALANTIEVF
160 170 180 190 200
RKNGYKLNES GRLIDFLKDV LLSFENDSME VTTHFQKKKR IRDNHSKKMI
210 220 230 240 250
TQRTIGKKRV KLTKKNYLIR ALTLNTMTKD AERGKLKRRA IATPGMQIRG
260 270 280 290 300
FVYFVELLAR NICERLEQSG LPVGGNEKKA KLANVIKKMM AKSTDEELSY
310 320 330 340 350
TITGDNTKWN ENQNPRIFLA MVLRITAGQP EWFRDLLAVA PIMFSNKVAR
360 370 380 390 400
LGRGYMFESK SMHLRTQISA ENLSDINLRY FNEDTKKKIE KIRHLMVEGT
410 420 430 440 450
ASLSPGMMMG MFNMLSTVLG VSVLNLGQRE ILKRTYWWDG LQSSDDFALI
460 470 480 490 500
INGHFKEDIQ QGVNHFYRTC KLVGINMSQK KSYINKTGTF EFTSFFYRYG
510 520 530 540 550
FVANFSMELP SFGVAGNNES ADMSIGTTVI KTNMINNDLG PATAQMAIQL
560 570 580 590 600
FIKDYRYTYR CHRGDTNLET RRTKSIKRLW TETISKAGLL VADGGPNPYN
610 620 630 640 650
LRNLHIPEVC LKWSLMDPDY RGRLCNPNNP FVHHMEVEST NLAVVMPAHG
660 670 680 690 700
PAKSLEYDAV ATTHSWTPKR NRSILNTNQR GILEDERIYQ KCCQVFEKFF
710 720 730 740 750
PSSTYRRPIG MASMLDAMLS RARIDARIDL ESGRISSQDF SEITNTCKAI

EALKRQ
Length:756
Mass (Da):86,047
Last modified:April 18, 2012 - 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:i9A7D3DF5EC124328
GO

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
CY103890 Viral cRNA Translation: AFC35436.1

<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
CY103890 Viral cRNA Translation: AFC35436.1

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
4WSBX-ray2.65B1-756[»]
5M3HX-ray2.50B1-756[»]
6EVJX-ray3.90B/E1-756[»]
6EVKX-ray2.90B1-756[»]
6FHHX-ray2.70B1-756[»]
6FHIX-ray2.80B1-756[»]
6SZUelectron microscopy2.41B1-756[»]
6SZVelectron microscopy2.50B1-756[»]
6T0Nelectron microscopy2.54B1-756[»]
6T0Relectron microscopy2.82B1-756[»]
6T0Selectron microscopy3.04B1-756[»]
6T0Uelectron microscopy3.12B1-756[»]
6T0Velectron microscopy3.02B1-756[»]
6T2Celectron microscopy3.52B1-756[»]
6TW1electron microscopy2.70B1-756[»]
SMRiH6QM91
ModBaseiSearch...
PDBe-KBiSearch...

Protein-protein interaction databases

DIPiDIP-61350N
IntActiH6QM91, 1 interactor

Family and domain databases

InterProiView protein in InterPro
IPR007099, RNA-dir_pol_NSvirus
IPR001407, RNA_pol_PB1_influenza
PfamiView protein in Pfam
PF00602, Flu_PB1, 1 hit
PIRSFiPIRSF000827, RdRPol_OMV, 1 hit
PROSITEiView protein in PROSITE
PS50525, RDRP_SSRNA_NEG_SEG, 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 nameiH6QM91_9INFA
<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: H6QM91
<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/TrEMBL: April 18, 2012
Last sequence update: April 18, 2012
Last modified: April 7, 2021
This is version 47 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 statusiUnreviewed (UniProtKB/TrEMBL)

<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-structureCombined sources, Reference proteomeImported
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