XLG1 (EXTRA-LARGE G-PROTEIN 1); signal transducer. similar to XLG3 (EXTRA-LARGE GTP-BINDING PROTEIN 3), signal transducer [Arabidopsis thaliana] (TAIR:AT1G31930.1); similar to XLG2 (EXTRA-LARGE GTP-BINDING PROTEIN 2), signal transducer [Arabidopsis thaliana] (TAIR:AT4G34390.1); similar to XLG3 (EXTRA-LARGE GTP-BINDING PROTEIN 3), signal transducer [Arabidopsis thaliana] (TAIR:AT1G31930.2); similar to unnamed protein product [Vitis vinifera] (GB:CAO40667.1); similar to extra-large guanine nucleotide binding protein, putative, expressed [Oryza sativa (japonica cultivar-group)] (GB:ABA99166.1); similar to hypothetical protein [Vitis vinifera] (G