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. Author manuscript; available in PMC: 2016 Nov 4.
Published in final edited form as: Biochemistry. 2015 Jul 13;54(29):4495–4506. doi: 10.1021/acs.biochem.5b00541

Figure 1.

Figure 1

Structure of FdtA from A. thermoaerophilus (PDB code 2PA7). A ribbon representation of the FdtA dimer is shown in (a) with subunits 1 and 2 displayed in dark violet and dark teal, respectively. The enzyme belongs to the cupin superfamily.18 A close-up view of the active site for subunit 1 is shown in (b). Due to classical domain swapping, Arg 15 is contributed by subunit 2. This figure and Figures 2, 4, 5, 6, and 7 were created with PyMOL.19