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  • Title: Characterization and site-directed mutagenesis of the putative novel acyl carrier protein Rv0033 and Rv1344 from Mycobacterium tuberculosis.
    Author: Huang Y, Ge J, Yao Y, Wang Q, Shen H, Wang H.
    Journal: Biochem Biophys Res Commun; 2006 Apr 07; 342(2):618-24. PubMed ID: 16487939.
    Abstract:
    Mycolic acids are generated in Mycobacterium tuberculosis as a result of the interaction of two fatty acid biosynthetic systems: type I fatty acid synthase (FAS) and type II fatty acid synthase. Acyl carrier protein (ACP) is a small, acidic protein in type II FAS systems. It plays a central role in mycolic acid biosynthesis by transferring the acyl groups from one enzyme to another for the completion of the fatty acid synthesis cycle. The nature of the proper recognition between ACPs and its many interactive proteins is not understood. Here, we report the over-expression, purification, and characterization of two putative ACPs: Rv0033 and Rv1344 in M. tuberculosis. In order to study the role of the conserved residues and the conformation of whole protein, some site-directed mutations of recombinant Acp1344 were made and the 3D structure of Acp1344 was modeled.
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