serpin-related / serine protease inhibitor-related. similar to serpin family protein / serine protease inhibitor family protein [Arabidopsis thaliana] (TAIR:AT2G14540.1); similar to serpin-like protein [Citrus x paradisi] (GB:AAN76362.1); contains InterPro domain Protease inhibitor I4, serpin; (InterPro:IPR000215); contains InterPro domain Protease inhibitor I4, serpin, plant (InterPro:IPR015554)