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Phylogenomic profiling and structural studies suggest that BrxA and BrxB may function as bacilliredoxins. (A) The genes encoding bshA, B, and C co-occur across sequenced bacterial genomes with those encoding two putative Brxs (BrxA and BrxB) as revealed using the EMBL/Strings websearch interface (15). (B) Structure of BrxA (8) showing two conserved cysteines (C53 and C55). The BrxB paralogue is predicted to have a very similar structure.
