[Term] id: PR:Q67204 name: matrix protein 1 (Influenza A virus (strain A/Swine/Ontario/2/1981 H1N1)) def: "An influenzavirus matrix protein 1 that is encoded in the genome of the H1N1 strain A/Swine/Ontario/2/1981." [PRO:DAN, UniProtKB:Q67204] comment: Category=organism-sequence. synonym: "M/iso:M1 (I81A4)" EXACT PRO-short-label [PRO:DAN] synonym: "M1 (Influenza A virus (strain A/Swine/Ontario/2/1981 H1N1))" EXACT [] xref: UniProtKB:Q67204 intersection_of: PR:000049762 ! influenzavirus matrix protein 1 intersection_of: only_in_taxon NCBITaxon:384501 ! Influenza A virus (A/swine/Ontario/2/1981(H1N1))