Archaebacterial tRNA contains 1-methylinosine at residue 57 in T psi C-loop.
1-Methylinosine was isolated from unfractionated tRNAs of Sulfolobus acidocaldarius and Halobacterium volcani. The structure of 1-methylinosine was characterized by ultraviolet absorption and mass spectral analysis. 1-Methylinosine found in these archaebacterial tRNAs was located at residue 57 in T psi C-loop, indicating that the presence of 1-methylinosine is characteristic of archaebacteria.
D001419:Bacteria / Q000032:analysis*; D006217:Halobacterium / Q000032:analysis*; D007288:Inosine / Q000031:analogs & derivatives*; D013058:Mass Spectrometry; D008778:Methylthioinosine / Q000032:analysis*; D012343:RNA, Transfer; D013045:Species Specificity; D013056:Spectrophotometry, Ultraviolet
D008778:Methylthioinosine; D007288:Inosine; D012343:RNA, Transfer