heparan sulfate N-acetyl-alpha-D-glucosaminide polyanion
heparan sulfate n-acetyl-alpha-d-glucosaminide polyanion
A carbohydrate acid derivative anion arising from deprotonation of the carboxylic acid and sulfate groups of the repeating units of heparan sulfate <em>N</em>-acetyl-α-<small>D</small>-glucosaminide; major species at pH 7.3.