Matrilin

Matrilins are proteoglycan-associated proteins that are major components of extracellular matrix of various tissues. They include: Matrilin-1 and -3 are expressed near exclusively in skeletal tissues. Matrilin-2 and -4 have a much broader distribution and are also found in loose connective tissue.
 * Matrilin-1
 * Matrilin-2
 * Matrilin-3
 * Matrilin-4