[Term] id: PR:000003387 name: collagen type V alpha chain def: "A collagen alpha chain that is a translation product of the human COL5A1, COL5A2, or COL5A3 genes, 1:1 orthologs thereof, or a semi-ortholog thereof." [PMID:15788652, PRO:CNA, PRO:DAN] comment: Category=family. is_a: PR:000003262 ! collagen alpha chain