Protein which binds hyaluronic acic, an acidic glycosaminoglycan which consists of repeating units of the disaccharide composed of D-glucuronic acid and N-acetyl-D-glucosamine. This linear polymer is present in cell coats and in the extracellular ground substance of the connective tissues of vertebrates; it also occurs in the synovial fluid in joints and in the vitreous humor of the eye.
