similar to unknown protein [Arabidopsis thaliana] (TAIR:AT5G11430.1); similar to hypothetical protein [Vitis vinifera] (GB:CAN64736.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO44119.1); contains InterPro domain Spen paralogue and orthologue C-terminal (InterPro:IPR012921)