BNEL118f1 Barley EST endosperm library Hordeum vulgare subsp. vulgare cDNA clone BNEL118f1 5' similar to COG1208, GCD1, Nucleoside-diphosphate-sugar pyrophosphorylase involved in lipopolysaccharide biosynthesis/translation initiation factor 2B, gamma/epsilon subunits, mRNA sequence