Term Name:	collagen type IV trimer
Synonyms:
Definition:	A collagen heterotrimer containing type IV alpha chains; [alpha1(IV)]2alpha2(IV) trimers are commonly observed, although more type IV alpha chains exist and may be present in type IV trimers; type IV collagen triple helices associate to form 3 dimensional nets within basement membranes.
Ontology:	GO: Cellular Component [GO:0005587]    QuickGO    AmiGO