biglycan(redirected from proteoglycan I)
A small interstitial proteoglycan that contains two glycosaminoglycan chains.
Synonym(s): proteoglycan I
biglycanA small leucine-rich repeat (LRR) proteoglycan encoded by BGN on chromosome Xq28, which plays a role in assembly of collagen fibrils and muscle regeneration. It interacts with alpha-dystroglycan, alpha- and gamma-sarcoglycan and collagen VI, and it is critical for the assembly of the dystrophin-associated protein complex.
a small chondroitin sulfate proteoglycan found in mineralized bone.