ESP4 (ENHANCED SILENCING PHENOTYPE 4); binding. similar to unknown protein [Arabidopsis thaliana] (TAIR:AT1G27595.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO50143.1); similar to hypothetical protein OsJ_024678 [Oryza sativa (japonica cultivar-group)] (GB:EAZ41195.1); similar to hypothetical protein OsI_026476 [Oryza sativa (indica cultivar-group)] (GB:EAZ05244.1); contains InterPro domain Armadillo-type fold; (InterPro:IPR016024); contains InterPro domain HEAT (InterPro:IPR000357)