exostosin family protein. similar to KAM1/MUR3 (MURUS 3), catalytic/ transferase, transferring glycosyl groups [Arabidopsis thaliana] (TAIR:AT2G20370.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO21638.1); contains InterPro domain Exostosin-like; (InterPro:IPR004263)