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A8C8K1

- PA_I07A0

UniProt

A8C8K1 - PA_I07A0

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Protein
Polymerase acidic protein
Gene
PA
Organism
Influenza A virus (strain A/USA:Texas/UR06-0195/2007 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
Complete GO annotation...

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/USA:Texas/UR06-0195/2007 H1N1)
Taxonomic identifieri455880 [NCBI]
Taxonomic lineageiVirusesssRNA negative-strand virusesOrthomyxoviridaeInfluenzavirus A
Virus hostiAves [TaxID: 8782]
Homo sapiens (Human) [TaxID: 9606]
Sus scrofa (Pig) [TaxID: 9823]

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 716716Polymerase acidic protein
PRO_0000372995Add
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.

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: A8C8K1-1) [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 IIVEPEDPNA LLKHRFEIIE GRDRTMAWTV VNSICNTTGA 100
EKPKFLPDLY DYKENRFIEI GVTRREVHIY YLEKANKIKS EKTHIHIFSF 150
TGEEMATKAD YTLDEESRAR IKTRLFTIRQ EMASRGLWDS FRQSERGEET 200
IEERFEITGT MRRLADQSLP PNFSCIENFR AYVDGFEPNG YIEGKLSQMS 250
KEVNARIEPF LKTTPRPIRL PNGPPCFQRS KFLLMDSLKL SIEDPNHEGE 300
GIPLYDAIKC MRTFFGWKEP TVVKPHEKGI NPNYLLSWKQ VLEELQDIES 350
EEKIPRTKNM KKTSQLKWAL GENMAPEKVD FDDCKDVSDL KQYDSDEPEL 400
RSFSSWIQNE FNKACELTDS IWIELDEIGE DVAPIEHIAS MRRNYFTAEV 450
SHCRATEYIM KGVYINTALL NASCAAMDDF QLIPMISKCR TKEGRRKTNL 500
YGFIIKGRSH LRNDTDVVNF VSMEFSLTDP RLEPHKWERY CVLEIGDMLL 550
RSAIGQVSRP MFLYVRTNGT SKIKMKWGME MRRCLLQSLQ QIESMIEAES 600
SVKEKDMTKE FFENRSETWP IGESPEGVEE GSIGKVCRTL LAKSVFNSLY 650
ASPQLEGFSA ESRKLLLIVQ ALRDNLEPGT FDLGGLYEAI EECLINDPWV 700
LLNASWFNSF LTHALR 716
Length:716
Mass (Da):82,994
Last modified:November 13, 2007 - v1
Checksum:i6B8B6B4597C358BA
GO
Isoform PA-X (identifier: P0DJW6-1) [UniParc]FASTAAdd to Basket

The sequence of this isoform can be found in the external entry P0DJW6.
Isoforms of the same protein are often annotated in two different entries if their sequences differ significantly.
Length:252
Mass (Da):29,339
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CY026216 Viral cRNA. Translation: ABV45933.1.

Keywords - Coding sequence diversityi

Ribosomal frameshifting

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CY026216 Viral cRNA. Translation: ABV45933.1 .

3D structure databases

ModBasei 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. The NIAID Influenza Genome Sequencing Consortium
    Submitted (SEP-2007) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC RNA].

Entry informationi

Entry nameiPA_I07A0
AccessioniPrimary (citable) accession number: A8C8K1
Entry historyi
Integrated into UniProtKB/Swiss-Prot: May 5, 2009
Last sequence update: November 13, 2007
Last modified: July 9, 2014
This is version 24 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programViral Protein Annotation Program

Miscellaneousi

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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