tRNA/rRNA methyltransferase (SpoU) family protein. similar to hypothetical protein OsI_009400 [Oryza sativa (indica cultivar-group)] (GB:EAY88167.1); similar to hypothetical protein OsJ_008729 [Oryza sativa (japonica cultivar-group)] (GB:EAZ25246.1); similar to RNA methyltransferase, TrmH family protein, expressed [Oryza sativa (japonica cultivar-group)] (GB:ABF93471.1); contains InterPro domain tRNA/rRNA methyltransferase, SpoU; (InterPro:IPR001537)