ATEXO70H4 (exocyst subunit EXO70 family protein H4); protein binding. similar to ATEXO70H3 (exocyst subunit EXO70 family protein H3), protein binding [Arabidopsis thaliana] (TAIR:AT3G09530.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO18086.1); contains InterPro domain Exo70 exocyst complex subunit; (InterPro:IPR004140)