ATRAN4 (RAS-RELATED NUCLEAR PROTEIN 4); GTP binding. similar to RAN3, GTP binding [Arabidopsis thaliana] (TAIR:AT5G55190.1); similar to GTP-binding nuclear protein Ran/TC4 (GB:P38548); similar to unnamed protein product [Vitis vinifera] (GB:CAO46039.1); similar to RAN [Nicotiana sylvestris] (GB:AAT40986.1); contains InterPro domain Guanine nucleotide binding protein (G-protein), alpha subunit; (InterPro:IPR001019); contains InterPro domain Ran GTPase; (InterPro:IPR002041); contains InterPro domain Ras GTPase; (InterPro:IPR001806); contains InterPro domain Ras (InterPro:IPR013753); contains InterPro domain Small GTP-binding protein; (InterPro: