SAG21 (SENESCENCE-ASSOCIATED GENE 21). similar to late embryogenesis abundant 3 family protein / LEA3 family protein [Arabidopsis thaliana] (TAIR:AT1G02820.1); similar to protein induced upon tuberization [Solanum demissum] (GB:CAA66948.1); contains InterPro domain Late embryogenesis abundant protein 3; (InterPro:IPR004926)