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Amino acids targeted for mutagenesis. Residues found to be important for septal localization are red, while residues found to be unimportant in blue. (A) Space-filling model of the SPOR domain from DamX with the final helix, α3, omitted for clarity. (B) As in (A) but α3 is included. (C) Ribbon diagram of SPOR domain with targeted residues illustrated as stick models, except for the portion of α3 that was deleted.
