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. 2014 Apr 15;106(8):1607–1617. doi: 10.1016/j.bpj.2014.03.002

Figure 4.

Figure 4

(A) The action spectra of channel currents (symbols and dashed lines in A, symbols and solid lines in B and C) generated in HEK293 cells by: (A) CaChR1 and its F139K mutant; (B) C1C2 chimera and its K132F and K132G mutants; (C) WT PsChR and its K76F mutant. The solid lines in (A) show the absorption spectra of detergent-purified pigments. In all panels solid squares show the data from the pigments in which the Lys-132 homolog is present, and open circles and triangles in which it is absent. To see this figure in color, go online.