similar to unknown protein [Arabidopsis thaliana] (TAIR:AT1G48840.1); similar to Os01g0869000 [Oryza sativa (japonica cultivar-group)] (GB:NP_001044923.1); similar to hypothetical protein OsJ_004118 [Oryza sativa (japonica cultivar-group)] (GB:EAZ14293.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO24748.1); contains InterPro domain Protein of unknown function DUF639 (InterPro:IPR006927)