heparan sulfate was the only glycosaminoglycan able to displace [ 3h ] heparin ( ic50 , 3.2 x 10 ( -7 ) m ) , although it was 10-fold less effective than heparin itself ( ic50 , 3.6 x 10 ( -8 ) m ) .
C0019143
heparan sulfate
C0017973
glycosaminoglycan