RD20 (RESPONSIVE TO DESSICATION 20); calcium ion binding. similar to ATS1 (ARABIDOPSIS THALIANA SEED GENE 1), calcium ion binding [Arabidopsis thaliana] (TAIR:AT4G26740.1); similar to RD20 [Brassica juncea] (GB:ABX10750.1); contains InterPro domain Caleosin related (InterPro:IPR007736)