there is a central protein core of mws approximately 2 x 10 ( 5 ) ( refs 1 , 2 ) with specialized subregions , one containing mainly the chondroitin sulphate chains , another most of the keratan sulphate chains , and a third is a largely globular structure interacting specifically with both hyaluronic acid and a link protein to form stable aggregate structures such as those identified in human articular cartilage .
C0140145
refs 1
C0086418
human