ATEXO70H1 (exocyst subunit EXO70 family protein H1); protein binding. similar to ATEXO70H2 (EXOCYST SUBUNIT EXO70 FAMILY PROTEIN H2), protein binding [Arabidopsis thaliana] (TAIR:AT2G39380.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO41575.1); contains InterPro domain Exo70 exocyst complex subunit; (InterPro:IPR004140)