WNEL20d8 Wheat EST endosperm library Triticum aestivum cDNA clone WNEL20d8 5' similar to Sorghum bicolor putative receptor protein kinase, aminoalcoholphosphotransferase, putative growth-regulating factor 1, putative GAG-POL precursor, putative GAG-POL precursor, putative RIRE2 orf3, putative anthocyanin regulatory C1, mRNA sequence