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Biochemistry (TB)

"Expression and Efficient Export of Enzymatically Active Mycobacterium tuberculosis Glutamine Synthetase in Mycobacterium smegmatis and Evidence That the Information for Export Is Contained With

Published in TB and Outbreaks Week, November 10th, 1997

According to the authors' abstract of an article published in Journal of Biological Chemistry, "We have investigated the expression and extracellular release of active, recombinant Mycobacterium tuberculosis glutamine synthetase (EC 6.3.1.2), an enzyme that is a potentially important determinant of M. tuberculosis infection and whose extracellular release is correlated with pathogenicity. The M. tuberculosis glutamine synthetase gene encodes a polypeptide of 478 amino acids; 12 such subunits comprise the active enzyme, Northern blot, nuclease S1, and primer extension analyses revealed glutamine synthetase specific transcripts of similar to 1,550 and 1,650 nucleotides...

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