[Term] id: PR:000005705 name: collagen alpha-1(XXI) chain def: "A protein that is a translation product of the human COL21A1 gene or a 1:1 ortholog thereof." [PRO:DNx] comment: Category=gene. synonym: "FP633" RELATED Gene-based [] synonym: "COL1AL" RELATED Gene-based [] synonym: "COL21A1" EXACT PRO-short-label [PRO:DNx] is_a: PR:000000001 ! protein