GAE3 (UDP-D-GLUCURONATE 4-EPIMERASE 3); catalytic. Identical to UDP-glucuronate 4-epimerase 3 (GAE3) [Arabidopsis Thaliana] (GB:O81312); similar to GAE2 (UDP-D-GLUCURONATE 4-EPIMERASE 2), catalytic [Arabidopsis thaliana] (TAIR:AT1G02000.1); similar to GAE5 (UDP-D-GLUCURONATE 4-EPIMERASE 5), catalytic [Arabidopsis thaliana] (TAIR:AT4G12250.1); similar to GAE4 (UDP-D-GLUCURONATE 4-EPIMERASE 4), catalytic [Arabidopsis thaliana] (TAIR:AT2G45310.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO24535.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO24537.1); similar to hypothetical protein [Vitis vinifera] (GB:CAN73016.