5'-3' exonuclease family protein. similar to 5'-3' exonuclease family protein [Arabidopsis thaliana] (TAIR:AT1G34380.2); similar to unnamed protein product [Vitis vinifera] (GB:CAO46274.1); contains InterPro domain Helix-hairpin-helix motif, class 2; (InterPro:IPR008918); contains InterPro domain 5' (InterPro:IPR002421)