Characterization of amino acid residues essential for tetramer formation and DNA-binding activity of ssDNA-binding protein of Mycobacterium tuberculosis.

Abstract excerpt

Mycobacterium tuberculosis Rv0054 encodes a single-stranded DNA-binding protein (MtbSSB) that is essential for survival of the human pathogen and causative agent of tuberculosis. The function of MtbSSB has been proposed to be different from its E. coli homolog. However, the critical amino acid residues of MtbSSB and their regulatory effects on DNA-binding ability remain to be clearly characterized. In this study,...

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