different between proteoglycan vs chondroitinase

English

proteoglycan (plural proteoglycans)

(biochemistry) Any of many glycoproteins that have heteropolysaccharide side chains

chondroitin +? -ase

chondroitinase (plural chondroitinases)

(biochemistry) Any of a class of enzymes that catalyse the hydrolysis of chondroitin sulfate proteoglycans.
- 2018, Ian Sample, The Guardian, 14 June:
  Animals that were given the treatment produced an enzyme called chondroitinase which breaks down scar tissue and allows the broken nerves to reconnect with each other.

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