label: heparosan-N-sulfate-glucuronate 5-epimerase activity
label_lc: heparosan-n-sulfate-glucuronate 5-epimerase activity
description: "Catalysis of the reaction: (heparosan-N-sulfate)(n) = (heparan-N-sulfate)(n). Converts D-glucosyluronate residues to L-iduronate residues."