trisaccharides from hyaluronic acid and desulphated chondroitin 4-sulphate were hydrolysed by n-acetyl-beta-hexosaminidase a , but not by n-acetyl-beta-hexosaminidase b .
C0162330
n-acetyl-beta-hexosaminidase a
C0005270
n-acetyl-beta-hexosaminidase