[Term] id: PR:000000380 name: transcription factor Sp1 isoform 1 def: "A transcription factor Sp1 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:P08047-1 or a 1:1 ortholog thereof." [PRO:CNA, PRO:DAN, PMID:10570957] comment: Category=sequence. synonym: "SP1/iso:1" EXACT PRO-short-label [PRO:DNx] property_value: has_archetype PR:P08047-1 is_a: PR:000000133 ! transcription factor Sp1