ID PAX_I77AB Reviewed; 252 AA. AC P0DJW7; DT 03-OCT-2012, integrated into UniProtKB/Swiss-Prot. DT 03-OCT-2012, sequence version 1. DT 27-MAR-2024, entry version 24. DE RecName: Full=Protein PA-X; GN Name=PA; OS Influenza A virus (strain A/USSR/90/1977 H1N1). OC Viruses; Riboviria; Orthornavirae; Negarnaviricota; Polyploviricotina; OC Insthoviricetes; Articulavirales; Orthomyxoviridae; Alphainfluenzavirus; OC Alphainfluenzavirus influenzae; Influenza A virus. OX NCBI_TaxID=381516; OH NCBI_TaxID=8782; Aves. OH NCBI_TaxID=9606; Homo sapiens (Human). OH NCBI_TaxID=9823; Sus scrofa (Pig). RN [1] RP NUCLEOTIDE SEQUENCE [GENOMIC RNA]. RA Ghedin E., Spiro D., Miller N., Zaborsky J., Feldblyum T., Subbu V., RA Shumway M., Sparenborg J., Groveman L., Halpin R., Sitz J., Koo H., RA Salzberg S.L., Webster R.G., Hoffmann E., Krauss S., Naeve C., Bao Y., RA Bolotov P., Dernovoy D., Kiryutin B., Lipman D.J., Tatusova T.; RT "The NIAID influenza genome sequencing project."; RL Submitted (MAR-2006) to the EMBL/GenBank/DDBJ databases. RN [2] RP NUCLEOTIDE SEQUENCE [GENOMIC RNA]. RA Mbawuike I.N., Zhang Y., Yamada R.E., Nino D., Bui H.-H., Sette A., RA Couch R.B.; RT "Complete genome sequencing and analysis of selected influenza virus RT vaccine strains spanning six decades (1933-1999)."; RL Submitted (APR-2006) to the EMBL/GenBank/DDBJ databases. 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=P0DJW7-1; Sequence=Displayed; CC Name=PA; CC IsoId=Q1WP02-1; Sequence=External; CC -!- SIMILARITY: Belongs to the influenza viruses PA-X family. CC {ECO:0000305}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; CY010377; -; NOT_ANNOTATED_CDS; Genomic_RNA. DR EMBL; DQ508896; -; NOT_ANNOTATED_CDS; Genomic_RNA. DR SMR; P0DJW7; -. DR Proteomes; UP000007793; Genome. DR Proteomes; UP000121508; 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; Influenza RNA-dependent RNA polymerase subunit PA, endonuclease domain; 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_0000419430" SQ SEQUENCE 252 AA; 29439 MW; 2E005AA1253BBE50 CRC64; MEDFVRQCFN PMIVELAEKA MKEYGEDLKI ETNKFAAICT HLEVCFMYSD FHFINEQGES IIVELDDPNA LLKHRFEIIE GRDRTMAWTV VNSICNTTGA EKPKFLPDLY DYKENRFIEI GVTRREVHIY YLEKANKIKS EKTHIHIFSF TGEEMATKAD YTLDEESRAR IKTRLFTIRQ EMASRGLWDS FVSPREAKKQ LKKDLKSQEQ CAGSPTKVSR RTSPALRILE PMWMDSNRTA TLRASFLKCP KK //