ID   PAX_I56A1               Reviewed;         252 AA.
AC   P0CK80;
DT   03-OCT-2012, integrated into UniProtKB/Swiss-Prot.
DT   03-OCT-2012, sequence version 1.
DT   02-DEC-2020, entry version 23.
DE   RecName: Full=Protein PA-X;
GN   Name=PA;
OS   Influenza A virus (strain A/Duck/Czechoslovakia/1956 H4N6).
OC   Viruses; Riboviria; Orthornavirae; Negarnaviricota; Polyploviricotina;
OC   Insthoviricetes; Articulavirales; Orthomyxoviridae; Alphainfluenzavirus.
OX   NCBI_TaxID=385590;
OH   NCBI_TaxID=8782; Aves.
OH   NCBI_TaxID=9823; Sus scrofa (Pig).
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC RNA].
RX   PubMed=16439620; DOI=10.1126/science.1121586;
RA   Obenauer J.C., Denson J., Mehta P.K., Su X., Mukatira S., Finkelstein D.B.,
RA   Xu X., Wang J., Ma J., Fan Y., Rakestraw K.M., Webster R.G., Hoffmann E.,
RA   Krauss S., Zheng J., Zhang Z., Naeve C.W.;
RT   "Large-scale sequence analysis of avian influenza isolates.";
RL   Science 311:1576-1580(2006).
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=P0CK80-1; Sequence=Displayed;
CC       Name=PA;
CC         IsoId=Q20P15-1; Sequence=External;
CC   -!- SIMILARITY: Belongs to the influenza viruses PA-X family.
CC       {ECO:0000305}.
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DR   EMBL; CY005820; -; NOT_ANNOTATED_CDS; Genomic_RNA.
DR   SMR; P0CK80; -.
DR   Proteomes; UP000008434; Genome.
DR   Proteomes; UP000108613; Genome.
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_0000419363"
SQ   SEQUENCE   252 AA;  29359 MW;  3729CB3C146927F3 CRC64;
     MEDFVRQCFN PMIIELAEKA MKEYGEDPKI ETNKFAAICT HLEVCFMYSD FHFIDERGES
     IIVESGDPNA LLKHRFEIIE GRDRTMAWTV VNSICNTTGV EKPKFLPDLY DYKENRFIEI
     GVTRREVHIY YLEKANKIKS EKTHIHIFSF TGEEMATKAD YTLDEESRAR VKTRLFTIRQ
     EMASRGLWDS FVSPREAKRQ LKKDLKSEEP CVGLPTKVSH RTSPALKTLE PMWMDSNRTA
     ALRASFLKCP KK