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Predicted structure of an HTCS RR suggests interaction between the REC and DBD domains. (A) Ribbon view of the BT4124-RR structure predicted by AlphaFold 2. The highest ranked structure is shown. The REC domain is colored blue, and the DBD domain is colored red with the two DNA-recognizing helices highlighted in gold. (B) The interaction surface (green) of the REC domain that contacts the DBD. (C) Predicted contact residues at the REC-DBD interface.
