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. Author manuscript; available in PMC: 2009 Nov 25.
Published in final edited form as: Photochem Photobiol. 2006 Nov–Dec;82(6):1406–1413. doi: 10.1562/2006-01-15-RA-776

Figure 3.

Figure 3

pH dependence of absorption spectrum of xanthorhodopsin in DM between pH 8.5 and 4.5. a) 1 and 2, absolute spectra at pH 8.5 and 4.5; 3, 4 (coincident) after increasing the pH to 12.5 in samples 1 and 2, respectively. b) Difference spectrum “pH 4.5 minus pH 8.5”. c) Curves 1 and 2, difference spectra “pH 4.5 minus 12.5” and “pH 8.5 minus 12.5”, respectively.