[Term] id: PR:000003329 name: collagen alpha-1(III) chain isoform 1 def: "A collagen alpha-1(III) chain 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:P02461-1 or a 1:1 ortholog thereof." [PRO:CNA] comment: Category=sequence. synonym: "COL3A1/iso:1" EXACT PRO-short-label [PRO:DNx] is_a: PR:000003328 ! collagen alpha-1(III) chain