N2,N2-dimethylguanosine tRNA methyltransferase family protein. Identical to Probable N [Arabidopsis Thaliana] (GB:Q9LFU5); similar to RNA binding / tRNA (guanine-N2-)-methyltransferase [Arabidopsis thaliana] (TAIR:AT3G02320.1); similar to hypothetical protein [Cleome spinosa] (GB:ABD96899.1); similar to hypothetical protein [Vitis vinifera] (GB:CAN65976.1); similar to hypothetical protein [Cleome spinosa] (GB:ABD96937.1); contains InterPro domain N2,N2-dimethylguanosine tRNA methyltransferase; (InterPro:IPR002905)