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Structural changes during the photocycle of photoactive yellow protein monitored by ultraviolet resonance raman spectra of tyrosine and tryptophan.

The journal of physical chemistry. B - 15 Dec 2005

El-Mashtoly Samir F, Yamauchi Seigo, Kumauchi Masato, Hamada Norio, Tokunaga Fumio, Unno Masashi

Abstract excerpt

Photoactive yellow protein (PYP) is a bacterial blue light photoreceptor, and photoexcitation of dark-state PYP (PYP(dark)) triggers a photocycle that involves several intermediate states. We report the ultraviolet resonance Raman spectra of PYP with 225-250 nm excitations and investigate protein structural changes accompanying the formation of the putative signaling state denoted PYP(M). The PYP(M)-PYP(dark)...

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Bacterial Proteins
Models, Molecular
Photochemistry
Protein Structure, Secondary
Spectrophotometry, Ultraviolet

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

Spectrum Analysis, Raman

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PMID: 16375346
DOI: 10.1021/jp054772z

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Structural changes during the photocycle of photoactive yellow protein monitored by ultraviolet resonance raman spectra of tyrosine and tryptophan.PMID 16375346Read ↗

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