2.1.1.179 evolution FmrO shows intrinsic N7-G1405 16S-RMTase activity 719353 2.1.1.179 evolution RmtA shows aquired N7-G1405 16S-RMTase activity 719353 2.1.1.179 evolution RmtB shows aquired N7-G1405 16S-RMTase activity 719353 2.1.1.179 evolution RmtC shows aquired N7-G1405 16S-RMTase activity -, 719353 2.1.1.179 evolution RmtD shows aquired N7-G1405 16S-RMTase activity 719353 2.1.1.179 evolution RmtD2 shows aquired N7-G1405 16S-RMTase activity 719353 2.1.1.179 evolution RmtF is a member of the aminoglycoside resistance 16S rRNA N7 G1405 methyltransferase family -, 718603 2.1.1.179 additional information acquisition of rmtC does not entail a fitness cost for the bacterium -, 718596 2.1.1.179 additional information GrmA shows intrinsic N7-G1405 16S-RMTase activity 719353 2.1.1.179 additional information GrmB shows intrinsic N7-G1405 16S-RMTase activity 719353 2.1.1.179 additional information Kmr shows intrinsic N7-G1405 16S-RMTase activity 719353 2.1.1.179 additional information NbrB shows intrinsic N7-G1405 16S-RMTase activity 719353 2.1.1.179 additional information Sgm shows intrinsic N7-G1405 16S-RMTase activity 719353 2.1.1.179 additional information Smr1 shows intrinsic N7-G1405 16S-RMTase activity 719353 2.1.1.179 physiological function encodes an enzyme that modifies 16S rRNA and thereby confers resistance to 4,6-disubstituted deoxystreptamine aminoglycosides. The expression of the sgm gene is regulated by the translational autorepression 704254 2.1.1.179 physiological function G1405 methylation produces aminoglycoside resistance by diminishing the affinity of the ribosome for gentamicin 712738 2.1.1.179 physiological function methylation of C1405, involved in the binding of aminoglycosides to 16S rRNA, can lead to loss of affinity and to resistance of the host. Resistance conferred by RmtF cannot be transferred to Escherichia coli via transfer of plasmid pIP849 -, 718603 2.1.1.179 physiological function most aminoglycosides bind to the decoding aminoacyl-tRNA recognition site (A-site) of the 16S rRNA that composes bacterial 30S ribosome, and subsequently interfere with bacterial growth through blocking of protein synthesis, These aminoglycoside-producing actinomycetes are inherently resistant to aminoglycosides, because they harbor intrinsic 16S rRNA methyltransferase genes, that can confer aminoglycoside resistance to bacteria by modifying specific nucleotide residues in the aminoglycoside binding site of 16S rRNA. Aminoglycoside resistance profile provided by N7-G1405 16S-RMTases, overview 719353 2.1.1.179 physiological function most aminoglycosides bind to the decoding aminoacyl-tRNA recognition site (A-site) of the 16S rRNA that composes bacterial 30S ribosome, and subsequently interfere with bacterial growth through blocking of protein synthesis. These aminoglycoside-producing actinomycetes are inherently resistant to aminoglycosides, because they harbor intrinsic 16S rRNA methyltransferase genes, that can confer aminoglycoside resistance to bacteria by modifying specific nucleotide residues in the aminoglycoside binding site of 16S rRNA. Aminoglycoside resistance profile provided by N7-G1405 16S-RMTases, overview 719353 2.1.1.179 physiological function rmtC is responsible for resistance of strain ARS68 and its transformant to various aminoglycoside antibiotics -, 710880 2.1.1.179 physiological function the enzyme adds the methyl group of S-adenosyl-L-methionine to the specific nucleotides at the A-site of 16S rRNA, which interferes with aminoglycoside binding to the target. Aminoglycoside resistance profile provided by N7-G1405 16S-RMTases, overview -, 719353 2.1.1.179 physiological function the enzyme adds the methyl group of S-adenosyl-L-methionine to the specific nucleotides at the A-site of 16S rRNA, which interferes with aminoglycoside binding to the target. Pseudomonas aeruginosa clinical isolates show high-level resistance to clinically useful aminoglycosides through the production of acquired 16S-RMTase. Aminoglycoside resistance profile provided by N7-G1405 16S-RMTases, overview 719353 2.1.1.179 physiological function the enzyme confers high-level resistance to 4,6-disubstituted aminoglycosides through methylation of the G1405 residue in the 16S rRNA. RmtC impedes methylation by the housekeeping methyltransferase RsmF, EC 2.1.1.178, at position C1407 -, 718596 2.1.1.179 physiological function the enzyme confers high-level resistance to aminoglycosides -, 735238 2.1.1.179 physiological function the enzyme gives resistance to kanamycin plus gentamicin by converting guanine1405 to 7-methylguanine 705105 2.1.1.179 physiological function the enzyme produced by the antibiotic-producing bacterium Micromonospora zionensis methylates guanine1405 in 16S rRNA to 7-methylguanine, thereby rendering the ribosome resistant to 4,6-disubstituted deoxystreptamine aminoglycosides, which include gentamicins and kanamycins 705972