AGO2 (ARGONAUTE 2); nucleic acid binding. similar to PAZ domain-containing protein / piwi domain-containing protein [Arabidopsis thaliana] (TAIR:AT1G31290.1); similar to hypothetical protein [Vitis vinifera] (GB:CAN62291.1); similar to hypothetical protein [Vitis vinifera] (GB:CAN66699.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO44446.1); contains InterPro domain Argonaute and Dicer protein, PAZ (InterPro:IPR003100); contains InterPro domain Polynucleotidyl transferase, Ribonuclease H fold; (InterPro:IPR012337); contains InterPro domain Stem cell self-renewal protein Piwi (InterPro:IPR003165); contains InterPro domain Regio