invertase/pectin methylesterase inhibitor family protein. similar to invertase/pectin methylesterase inhibitor family protein / DC 1.2 homolog (FL5-2I22) [Arabidopsis thaliana] (TAIR:AT5G62350.1); similar to putative ripening-related protein [Vitis vinifera] (GB:CAB85625.1); contains InterPro domain Pectinesterase inhibitor; (InterPro:IPR006501)