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. Author manuscript; available in PMC: 2009 May 29.
Published in final edited form as: Channels (Austin). 2008 Nov 27;2(6):413–418. doi: 10.4161/chan.2.6.6874

Figure 2.

Figure 2

Activatory mutations complement growth of TK2420 E. coli. The activatory mutations identified in this screen complement the K+-uptake growth defect of TK2420. Cultures were grown in 7.5 mM K0 media and induced with 0.5 mM IPTG at time zero. Wild-type KcsA does not complement this growth defect but the mutations permit growth in low [K+]. Data shown are mean ± S.D, n = 3.