structural molecule activity | cation binding | ion binding | metal ion binding | extracellular matrix structural constituent
extracellular structure organization | cellular process | cellular component organization | extracellular matrix organization
supramolecular fiber | extracellular matrix | collagen-containing extracellular matrix | protein-containing complex | collagen type III trimer | fibrillar collagen trimer | collagen trimer | extracellular region | extracellular space | supramolecular complex