EDA10 (embryo sac development arrest 10); guanyl-nucleotide exchange factor. similar to guanine nucleotide exchange family protein [Arabidopsis thaliana] (TAIR:AT3G60860.1); similar to guanine nucleotide exchange family protein [Arabidopsis thaliana] (TAIR:AT4G35380.1); similar to guanine nucleotide exchange family protein [Arabidopsis thaliana] (TAIR:AT4G38200.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO24490.1); similar to hypothetical protein OsI_010474 [Oryza sativa (indica cultivar-group)] (GB:EAY89241.1); similar to guanine nucleotide-exchange protein GEP2 [Oryza sativa] (GB:AAM00191.1); contains InterPro domain Armad