Interaction of tryptophan-182 with the retinal 9-methyl group in the L intermediate of bacteriorhodopsin.

doi:10.1021/bi00002a024

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Article

Interaction of tryptophan-182 with the retinal 9-methyl group in the L intermediate of bacteriorhodopsin.

Biochemistry - 17 Jan 1995

Yamazaki Y, Sasaki J, Hatanaka M, Kandori H, Maeda A, Needleman R, Shinada T, Yoshihara K, Brown L S, Lanyi J K

Abstract excerpt

An intense indole N-H stretching vibrational band at 3486 cm-1 in the difference Fourier transform infrared spectrum is one of the characteristic features of the L intermediate of bacteriorhodopsin [Maeda, Sasaki, Ohkita, Simpson, & Herzfeld (1992) Biochemistry 31, 12543]. This band is now assign...

Topics

Bacteriorhodopsins
Halobacterium
Methylation
Mutation
Protons
Retinaldehyde
Schiff Bases
Spectroscopy, Fourier Transform Infrared
Tryptophan

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