by taking into account the available biochemical data and the individual susceptibilities of the precipitates towards specific glycosaminoglycan-degrading enzymes , each type of proteoglycan-cuprolinic blue precipitate could be attributed to a proteoglycan population containing dermatan sulfate , chondroitin sulfate , or heparan sulfate as its main glycosaminoglycan component .
C0019143
heparan sulfate
C0017973
glycosaminoglycan