3'-5' exonuclease domain-containing protein / K homology domain-containing protein / KH domain-containing protein. similar to unknown protein [Arabidopsis thaliana] (TAIR:AT2G25920.1); similar to hypothetical protein [Vitis vinifera] (GB:CAN82846.1); contains InterPro domain Polynucleotidyl transferase, Ribonuclease H fold; (InterPro:IPR012337); contains InterPro domain K Homology; (InterPro:IPR004087); contains InterPro domain 3' (InterPro:IPR002562); contains InterPro domain K Homology, type 1; (InterPro:IPR004088)