NAD-dependent epimerase/dehydratase family protein. Identical to Putative UDP-arabinose 4-epimerase 3 [Arabidopsis Thaliana] (GB:Q9SUN3); similar to HSR8/MUR4/UXE1 (MURUS 4), catalytic [Arabidopsis thaliana] (TAIR:AT1G30620.2); similar to HSR8/MUR4/UXE1 (MURUS 4), UDP-arabinose 4-epimerase/ catalytic [Arabidopsis thaliana] (TAIR:AT1G30620.1); similar to DUR (DEFECTIVE UGE IN ROOT), catalytic [Arabidopsis thaliana] (TAIR:AT5G44480.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO42610.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO43109.1); contains InterPro domain UDP-glucose 4-epimerase; (InterPro:IPR005886); c