nucleic acid binding. similar to FPA [Arabidopsis thaliana] (TAIR:AT2G43410.3); similar to FPA [Arabidopsis thaliana] (TAIR:AT2G43410.4); similar to FPA [Arabidopsis thaliana] (TAIR:AT2G43410.2); similar to unnamed protein product [Vitis vinifera] (GB:CAO61466.1); contains InterPro domain RNA recognition motif, RNP-1; (InterPro:IPR000504); contains InterPro domain Spen paralogue and orthologue C-terminal (InterPro:IPR012921)