DNA binding / magnesium ion binding / nuclease. similar to DNA binding / magnesium ion binding / nuclease [Arabidopsis thaliana] (TAIR:AT1G67660.2); similar to DNA binding / magnesium ion binding / nuclease [Arabidopsis thaliana] (TAIR:AT1G67660.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO62306.1); contains InterPro domain Exonuclease, phage-type; (InterPro:IPR011609); contains InterPro domain Restriction endonuclease, type II-like, core; (InterPro:IPR011335); contains InterPro domain Exonuclease, phage-type/RecB, C-terminal; (InterPro:IPR011604)