Aminoglycoside binding and catalysis specificity of aminoglycoside 2''-phosphotransferase IVa: a thermodynamic, structural and kinetic study

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Aminoglycoside O-phosphotransferases make up a large class of bacterial enzymes that is widely distributed among pathogens and confer a high resistance to several clinically used aminoglycoside antibiotics. Aminoglycoside 2″-phosphotransferase IVa, APH(2″)-IVa, is an important member of this class, but there is little information on the thermodynamics of aminoglycoside binding and on the nature of its rate-limiting step.

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Volume 1860
Issue number 4
Pages 802-813
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Crick First author
Crick Corresponding author