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Comparison of the structures of CadC and SmtB. Stereo view of superposition of the CadC (magenta) and SmtB (gray) monomers. CadC and SmtB were overlapped using only helices 2, 3, and 6 (RMSD = 1.25 Å). The positions of Ala-71 of CadC and Ser-74 of SmtB are shown.
