cellular component organization cellular component organization cellular component organization cellular component organization cellular component organization cellular component organization cellular component organization cellular component organization cellular component organization cellular component organization cellular component organizationcellular component organization extracellular matrix structural constituent extracellular matrix structural constituent extracellular matrix structural constituent extracellular matrix structural constituent extracellular matrix structural constituent extracellular matrix structural constituent extracellular matrix structural constituent extracellular matrix structural constituent extracellular matrix structural constituent extracellular matrix structural constituent extracellular matrix structural constituentextracellular matrix structural constituent protein-containing complex supramolecular complex extracellular region protein-containing complex supramolecular complex extracellular region protein-containing complex supramolecular complex extracellular region protein-containing complex supramolecular complex extracellular region protein-containing complex supramolecular complex extracellular region protein-containing complex supramolecular complex extracellular region protein-containing complex supramolecular complex extracellular region protein-containing complex supramolecular complex extracellular region protein-containing complex supramolecular complex extracellular region protein-containing complex supramolecular complex extracellular region protein-containing complexprotein-containing complex supramolecular complexsupramolecular complex extracellular regionextracellular region