[Term] id: PR:000027921 name: signal transducer and activator of transcription 3 isoform 1 def: "A signal transducer and activator of transcription 3 that is a translation product of some mRNA whose exon structure and start site selection renders it capable of giving rise to a protein with the amino acid sequence represented by UniProtKB:P40763-1 or a 1:1 ortholog thereof." [PMID:15653507, PMID:19506034] comment: Category=sequence. synonym: "STAT3/iso:1" EXACT PRO-short-label [PRO:DNx] synonym: "STAT3 isoform 1" EXACT [] property_value: has_archetype PR:P40763-1 is_a: PR:000002089 ! signal transducer and activator of transcription 3