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Q1WP02

- PA_I77AB

UniProt

Q1WP02 - PA_I77AB

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Protein
Polymerase acidic protein
Gene
PA
Organism
Influenza A virus (strain A/USSR/90/1977 H1N1)
Status
Reviewed - Annotation score: 2 out of 5 - Protein inferred from homologyi

Functioni

Implicated in endonuclease cleavage of capped RNA primers. Displays an elongation factor activity in viral RNA synthesis. Dispensable for viral transcription, but not replication By similarity.

GO - Molecular functioni

  1. RNA binding Source: InterPro
  2. RNA-directed RNA polymerase activity Source: InterPro

GO - Biological processi

  1. suppression by virus of host RNA polymerase II activity Source: UniProtKB-KW
  2. transcription, DNA-templated Source: InterPro
Complete GO annotation...

Keywords - Biological processi

Eukaryotic 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 virus

Names & Taxonomyi

Protein namesi
Recommended name:
Polymerase acidic protein
Alternative name(s):
RNA-directed RNA polymerase subunit P2
Gene namesi
Name:PA
OrganismiInfluenza A virus (strain A/USSR/90/1977 H1N1)
Taxonomic identifieri381516 [NCBI]
Taxonomic lineageiVirusesssRNA negative-strand virusesOrthomyxoviridaeInfluenzavirus A
Virus hostiAves [TaxID: 8782]
Homo sapiens (Human) [TaxID: 9606]
Sus scrofa (Pig) [TaxID: 9823]
ProteomesiUP000007793: Genome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 716716Polymerase acidic protein
PRO_0000279267Add
BLAST

Post-translational modificationi

Phosphorylated on serines and threonines by host kinases, including human casein kinase II By similarity.

Keywords - PTMi

Phosphoprotein

Interactioni

Subunit structurei

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

Structurei

3D structure databases

ProteinModelPortaliQ1WP02.
SMRiQ1WP02. Positions 257-716.

Family & Domainsi

Sequence similaritiesi

Family and domain databases

InterProiIPR001009. RNA-dir_pol_influenzavirus.
[Graphical view]
PfamiPF00603. Flu_PA. 1 hit.
[Graphical view]

Sequences (2)i

Sequence statusi: Complete.

This entry describes 2 isoformsi produced by ribosomal frameshifting. Align

Isoform PA (identifier: Q1WP02-1) [UniParc]FASTAAdd to Basket

This isoform has been chosen as the 'canonical' 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

MEDFVRQCFN PMIVELAEKA MKEYGEDLKI ETNKFAAICT HLEVCFMYSD    50
FHFINEQGES IIVELDDPNA LLKHRFEIIE GRDRTMAWTV VNSICNTTGA 100
EKPKFLPDLY DYKENRFIEI GVTRREVHIY YLEKANKIKS EKTHIHIFSF 150
TGEEMATKAD YTLDEESRAR IKTRLFTIRQ EMASRGLWDS FRQSERGEET 200
IEERFEITGT MRRLADQSLP PNFSCLENFR AYVDGFEPNG YIEGKLSQMS 250
KEVNARIEPF LKTTPRPIRL PDGPPCSQRS KFLLMDALKL SIEDPSHEGE 300
GIPLYDAIKC MRTFFGWKEP YVVKPHEKGI NPNYLLSWKQ VLAELQDIEN 350
EEKIPRTKNM KKTSQLKWAL GENMAPEKVD FDDCKDISDL KQYDSDEPEL 400
RSLSSWIQNE FNKACELTDS IWIELDEIGE DVAPIEHIAS MRRNYFTAEV 450
SHCRATEYIM KGVYINTALL NASCAAMDDF QLIPMISKCR TKEGRRKTNL 500
YGFIIKGRSH LRNDTDVVNF VSMEFSLTDP RLEPHKWEKY CVLEIGDMLL 550
RSAIGQVSRP MFLYVRTNGT SKIKMKWGME MRRCLLQSLQ QIESMIEAES 600
SVKEKDMTKE FFENKSETWP IGESPKGVEE GSIGKVCRTL LAKSVFNSLY 650
ASPQLEGFSA ESRKLLLVVQ ALRDNLEPGT FDLGGLYEAI EECLINDPWV 700
LLNASWFNSF LTHALR 716
Length:716
Mass (Da):82,834
Last modified:May 2, 2006 - v1
Checksum:iA3FE2C274D3D20CB
GO
Isoform PA-X (identifier: P0DJW7-1) [UniParc]FASTAAdd to Basket

The sequence of this isoform can be found in the external entry P0DJW7.
Isoforms of the same protein are often annotated in two different entries if their sequences differ significantly.
Length:252
Mass (Da):29,439
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CY010377 Genomic RNA. Translation: ABD95357.1.
DQ508896 Genomic RNA. Translation: ABF21263.1.

Keywords - Coding sequence diversityi

Ribosomal frameshifting

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CY010377 Genomic RNA. Translation: ABD95357.1 .
DQ508896 Genomic RNA. Translation: ABF21263.1 .

3D structure databases

ProteinModelPortali Q1WP02.
SMRi Q1WP02. Positions 257-716.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Family and domain databases

InterProi IPR001009. RNA-dir_pol_influenzavirus.
[Graphical view ]
Pfami PF00603. Flu_PA. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [GENOMIC RNA].
  2. "Complete genome sequencing and analysis of selected influenza virus vaccine strains spanning six decades (1933-1999)."
    Mbawuike I.N., Zhang Y., Yamada R.E., Nino D., Bui H.-H., Sette A., Couch R.B.
    Submitted (APR-2006) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC RNA].

Entry informationi

Entry nameiPA_I77AB
AccessioniPrimary (citable) accession number: Q1WP02
Entry historyi
Integrated into UniProtKB/Swiss-Prot: March 6, 2007
Last sequence update: May 2, 2006
Last modified: July 9, 2014
This is version 32 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programViral Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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