[Term] id: PR:A4U6V4 name: matrix protein 1 (Influenza A virus (strain A/USA:Huston/AA/1945 H1N1)) def: "An influenzavirus matrix protein 1 that is encoded in the genome of the H1N1 strain A/USA:Huston/AA/1945." [PRO:DAN, UniProtKB:A4U6V4] comment: Category=organism-sequence. synonym: "M/iso:M1 (I45A0)" EXACT PRO-short-label [PRO:DAN] synonym: "M1 (Influenza A virus (strain A/USA:Huston/AA/1945 H1N1))" EXACT [] xref: UniProtKB:A4U6V4 intersection_of: PR:000049762 ! influenzavirus matrix protein 1 intersection_of: only_in_taxon NCBITaxon:425551 ! Influenza A virus (A/AA/Huston/1945(H1N1))