[Term]
id: PR:000003263
name: collagen type I alpha chain
def: "A collagen alpha chain that is a translation product of the human COL1A1 or COL1A2 genes, 1:1 orthologs thereof, or a semi-ortholog thereof." [PRO:CNA, PRO:DAN]
comment: Category=family.
is_a: PR:000003262 ! collagen alpha chain