similar to nucleic acid binding / zinc ion binding [Arabidopsis thaliana] (TAIR:AT1G01355.1); similar to Os07g0637200 [Oryza sativa (japonica cultivar-group)] (GB:NP_001060400.1); similar to hypothetical protein OsI_026076 [Oryza sativa (indica cultivar-group)] (GB:EAZ04844.1); contains InterPro domain Protein of unknown function DUF537 (InterPro:IPR007491)