enzyme inhibitor/ pectinesterase. similar to invertase/pectin methylesterase inhibitor family protein [Arabidopsis thaliana] (TAIR:AT1G50340.1); similar to pectinmethylesterase inhibitor [Actinidia deliciosa] (GB:BAC54966.1); contains InterPro domain Pectinesterase inhibitor; (InterPro:IPR006501)