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O-H stretching vibration in Fourier transform difference infrared spectra of bacteriorhodopsin
C W Chang1, N Sekiya, K Yoshihara
1Suntory Institute for Bioorganic Research, Osaka, Japan.
FEBS Letters
|August 5, 1991
Abstract:
FTIR difference spectroscopic studies of M intermediate and LA bacteriorhodopsin in the O-H stretching region show bands at 3671 and 3641 cm-1, respectively. The O-H stretching bands in this region may reflect protonation-deprotonation changes or environmental change in the tyrosine residues in bR.