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. Author manuscript; available in PMC: 2014 Apr 9.
Published in final edited form as: Biochemistry. 2013 Mar 29;52(14):2388–2401. doi: 10.1021/bi301217t

Figure 6.

Figure 6

Measurement of signal peptide-binding affinity to SecA mutant proteins. Binding of IAN-labeled SP22 (A) or SP41 (B) to the indicated SecA mutant was determined by fluorescence anisotropy as described in “Experimental Procedures”.