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Carr JF, Hamburg DM, Gregory ST, Limbach PA, Dahlberg AE: Effects of streptomycin resistance mutations on posttranslational modification of ribosomal protein S12. J Bacteriol. 2006 Mar;188(5):2020-3. Ribosomal protein S12 contains a highly conserved aspartic acid residue that is posttranslationally beta-methylthiolated. Using mass spectrometry, we have determined the modification states of several S12 mutants of Thermus thermophilus and conclude that beta-methylthiolation is not a determinant of the streptomycin phenotype. |
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