title: Origin of 1,7-dimethylguanosine in tRNA chemical and enzymatic methylation.
mesh_terms: D000818:Animals; D006151:Guanosine / Q000031:analogs & derivatives* / Q000378:metabolism; D007668:Kidney / Q000201:enzymology; D008099:Liver / Q000201:enzymology; D008745:Methylation; D012343:RNA, Transfer / Q000378:metabolism*; D051381:Rats
chemical_list: D006151:Guanosine; C031003:1,7-dimethylguanosine; D012343:RNA, Transfer