[Term] id: PR:000000467 name: smad1 isoform 1 def: "A smad1 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:Q15797-1 or a 1:1 ortholog thereof." [PRO:CNA, PRO:DAN] comment: Category=sequence. synonym: "SMAD1/iso:1" EXACT PRO-short-label [PRO:DNx] is_a: PR:000000363 ! smad1