HSR8/MUR4/UXE1 (MURUS 4); UDP-arabinose 4-epimerase/ catalytic. Identical to UDP-arabinose 4-epimerase 1 (MUR4) [Arabidopsis Thaliana] (GB:Q9SA77;GB:Q570B0;GB:Q8H7B9); similar to NAD-dependent epimerase/dehydratase family protein [Arabidopsis thaliana] (TAIR:AT4G20460.1); similar to DUR (DEFECTIVE UGE IN ROOT), catalytic [Arabidopsis thaliana] (TAIR:AT5G44480.1); similar to UDP-galactose 4-epimerase-like protein [Oryza sativa (japonica cultivar-group)] (GB:BAC24804.1); 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