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Predicted amino acid sequence and helix-turn-helix domain of EUO. A potential helix-turn-helix motif, as identified by the algorithm of Dodd and Egan (11), is underlined in the sequence. The helix-turn-helix motifs of EUO and selected other proteins, along with their Dodd and Egan standard deviation (SD) scores, are shown below the EUO sequence. A score above 2.5 is considered significant. Asterisks mark the most highly conserved amino acids in the motif.
