[Term] id: PR:000040279 name: cleavage stimulation factor subunit 1 isoform 1 def: "A cleavage stimulation factor subunit 1 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:Q05048-1 or a 1:1 ortholog thereof." [PRO:DNx] comment: Category=sequence. synonym: "CSTF1/iso:1" EXACT PRO-short-label [PRO:DNx] property_value: has_archetype PR:Q05048-1 is_a: PR:000005975 ! cleavage stimulation factor subunit 1