ID   PAX_I73A4               Reviewed;         252 AA.
AC   P0CK86;
DT   03-OCT-2012, integrated into UniProtKB/Swiss-Prot.
DT   03-OCT-2012, sequence version 1.
DT   02-DEC-2020, entry version 21.
DE   RecName: Full=Protein PA-X;
GN   Name=PA;
OS   Influenza A virus (strain A/Equine/London/1416/1973 H7N7).
OC   Viruses; Riboviria; Orthornavirae; Negarnaviricota; Polyploviricotina;
OC   Insthoviricetes; Articulavirales; Orthomyxoviridae; Alphainfluenzavirus.
OX   NCBI_TaxID=380340;
OH   NCBI_TaxID=8782; Aves.
OH   NCBI_TaxID=9796; Equus caballus (Horse).
OH   NCBI_TaxID=9606; Homo sapiens (Human).
OH   NCBI_TaxID=9709; Phocidae (true seals).
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC RNA].
RX   PubMed=2800339; DOI=10.1016/0042-6822(89)90202-x;
RA   Okazaki K., Kawaoka Y., Webster R.G.;
RT   "Evolutionary pathways of the PA genes of influenza A viruses.";
RL   Virology 172:601-608(1989).
CC   -!- FUNCTION: May play a role in the modulation of host immune response.
CC       {ECO:0000250}.
CC   -!- ALTERNATIVE PRODUCTS:
CC       Event=Ribosomal frameshifting; Named isoforms=2;
CC       Name=PA-X;
CC         IsoId=P0CK86-1; Sequence=Displayed;
CC       Name=PA;
CC         IsoId=P13168-1; Sequence=External;
CC   -!- SIMILARITY: Belongs to the influenza viruses PA-X family.
CC       {ECO:0000305}.
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DR   EMBL; M26087; -; NOT_ANNOTATED_CDS; Genomic_RNA.
DR   SMR; P0CK86; -.
DR   GO; GO:0003723; F:RNA binding; IEA:InterPro.
DR   GO; GO:0039694; P:viral RNA genome replication; IEA:InterPro.
DR   Gene3D; 3.40.91.90; -; 1.
DR   InterPro; IPR001009; PA/PA-X.
DR   InterPro; IPR038372; PA/PA-X_sf.
DR   Pfam; PF00603; Flu_PA; 1.
PE   3: Inferred from homology;
KW   Ribosomal frameshifting.
FT   CHAIN           1..252
FT                   /note="Protein PA-X"
FT                   /id="PRO_0000419369"
SQ   SEQUENCE   252 AA;  29330 MW;  A1065EDA8BB6139C CRC64;
     MEDFVRQCFN PMIVELAEKA MKEYGEDPKI ETNKFAAICT HLEVCFMYSD FHFINELGES
     VIIESGDPNA LLKHRFEIIE GRDRTMAWTV VNSICNTTRA EKPKFLPDLY DYKENRFVEI
     GVTRREVHIY YLEKANKIKS EKTHIHIFSF TGEEMATKAD YTLDEESRAR IKTRLFTIRQ
     EMASRGLWDS FVSPREAKRQ LKKDLKSQGQ CAGLPITVSH RTSPALKILE PMWMDSNRTA
     ALRASFLKCQ KK