Structural investigation of mutant Mycobacterium smegmatis arylamine N-acetyltransferase: a model for a naturally occurring functional polymorphism in Mycobacterium tuberculosis arylamine N-acetyltransferase.

Abstract excerpt

Arylamine N-acetyltransferase (NAT) acetylates the front-line anti-tuberculosis drug isoniazid (INH) and has been identified in Mycobacterium tuberculosis. A naturally occurring single nucleotide polymorphism (SNP) was recently found in the NAT gene in clinical isolates of M. tuberculosis. The nucleotide change from G-->A (619) produces an amino acid change Gly(207) Arg, which appears to reduce the activity of...

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