Nucleic Acids Research, 1980, Vol. 8, No. 19 4517-4520
© 1980
MOLECULAR BIOLOGY |
Nucleotide sequence of non-initiator methionine tRNA from Bacillus subtilis
Laboratory of Chemistry, Jichi Medical School Minamikawachi-machi, Tochigi-ken, 329-04, Japan
Received August 12, 1980.
Non-initiator methionine tRNA (tRNAmMet) was purified from Bacillus Subtilis W 168 by a consecutive use of several column chromatographic systems. The nucleotide sequence was determined to be pG-G-C-G-G-U-G-U-A-G-C-U-C-A-G-C-G-G-C-D-A-G-A-G-C-G-U-A-C-G-G-U-U-C-A-U-m6A-C-C-C-G-U-G-A-G-G(m7G)-U(D)-C-G-G-G-G-G-T-
-C-G-A-U-C-C-C-C-U-C-C-G-C-C-G-C-U-A-C-C-AOH. The nucleosides of G46 and U47 were partially modified to m7G and D, respectively. The nucleotide sequence shows a unique feature that the position adjacent to 3'-end of the anticodon C-A-U is occupied by m6A, not by t6A, although the tRNAmMet belongs to a group of tRNAs which recognize codons starting with A.