heparosan-N-sulfate-glucuronate 5-epimerase activity
Catalysis of the reaction: (heparosan-N-sulfate)(n) = (heparan-N-sulfate)(n). Converts D-glucosyluronate residues to L-iduronate residues.
GO:0016857
racemase and epimerase activity, acting on carbohydrates and derivatives
is_a
C-5 uronosyl epimerase activity
related
D-glucuronyl C-5 epimerase activity
related
heparosan epimerase activity
related
heparosan-N-sulfate-D-glucuronosyl 5-epimerase activity
related
heparosan-N-sulphate-glucuronate 5-epimerase activity
exact
poly[(1,4)-beta-D-glucuronosyl-(1,4)-N-sulfo-alpha-D-glucosaminyl] glucurono-5-epimerase activity
related
polyglucuronate epimerase activity
related