Location of Keratan sulfate 1 is
Keratan sulfate I was originally isolated from the cornea, while keratan sulfate II came from cailage. In the eye, they lie between collagen fibrils and play a critical role in corneal transparency. Changes in proteoglycan composition found in corneal scars disappear when the cornea heals. Reference: Harper&;s Biochemistry; 30th edition; Chapter 50; The Extracellular Matrix
Skin
Bone
Cornea
Lung
Metabolism of carbohydrate