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Sequence of the region corresponding to E. coli positions 1062 to 1067 of the PCR-amplified rRNA genes of N. meningitidis strains. Lanes 1, spectinomycin-resistant LNP16311; lanes 2, spectinomycin-susceptible LNP15908; lanes 3, spectinomycin-resistant transformant BM4417; lanes 4, spectinomycin-susceptible BM4377. The mutated position is indicated by an asterisk.
