5.1.3.5 additional information the enzyme is fully active in the presence of EDTA and is not inhibited by NADH 2 5.1.3.5 additional information UMP and EDTA do not inhibit the activity of the recombinant isoform UXE1 2 5.1.3.5 p-chloromercuriphenylsulfonate inhibition is reversed by Cys 1650 5.1.3.5 p-hydroxymercuribenzoate - 98 5.1.3.5 UDP 15% residual activity at 2 mM 26 5.1.3.5 UDP-galactose - 129 5.1.3.5 UTP 54% residual activity at 2 mM 65