A fibrillar collagen found primarily in interstitial CARTILAGE. Collagen type XI is heterotrimer containing alpha1(XI), alpha2(XI) and alpha3(XI) subunits.

Synonyms: Collagen Type XI, alpha2 Chain, Collagen alpha3(XI), Procollagen Type XI, Collagen Type-XI, alpha3 Chain, Collagen alpha2(XI), Collagen Type XI, alpha3 Subunit, Collagen, Type XI, Collagen Type XI, alpha1 Chain, Type XI Collagen, Collagen Type XI, alpha2 Subunit, Procollagen, Type XI, 0, Collagen Type XI, alpha1 Subunit, Collagen Type XI, Collagen Type-XI, alpha1 Chain, Collagen Type-XI, alpha2 Chain, Collagen alpha1(XI), Collagen Type XI, alpha3 Chain, Type XI Procollagen