UNE11 (unfertilized embryo sac 11); pectinesterase inhibitor. similar to invertase/pectin methylesterase inhibitor family protein [Arabidopsis thaliana] (TAIR:AT1G62770.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO24520.1); contains InterPro domain Pectinesterase inhibitor; (InterPro:IPR006501)