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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: Res Microbiol. 2014 May 9;165(6):429–438. doi: 10.1016/j.resmic.2014.04.005

Figure 2. Diversity of lipoic acid synthesis genes in β-proteobacteria.

Figure 2

The lipA genes that encode lipoic acid synthase are represented with blue arrows whereas the octanoyl-protein ligase lipB genes are indicated with green arrows. In most species, ybeD, a gene of unknown function is located upstream of the lipB gene (grey arrows) whereas the tatE (Sec-independent protein translocase) encoded downstream of lipA is in yellow. In some cases, a LysR-family transcription factor-encoding gene ybeF is located lipA between lipB is highlighted (orange).