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Structural events in the photocycle of green fluorescent protein.

The journal of physical chemistry. B - 25 Aug 2005

van Thor Jasper J, Zanetti Giulia, Ronayne Kate L, Towrie Michael

Abstract excerpt

Picosecond time-resolved mid-infrared absorption changes of the wild type green fluorescent protein from Aequorea victoria are reported on structural events during the photocycle. Concomitant with rapid H/D transfer following excitation of the neutral A state at 400 nm, a transient signal at 1721/1711 cm(-1) (H/D) developed belonging to protonated glutamate 222, which was definitively assigned using the E222D...

Topics

Glutamine
Green Fluorescent Proteins
Kinetics
Models, Molecular
Mutation
Photochemistry
Protons
Spectrometry, Fluorescence

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

Identifiers

PMID: 16853046
DOI: 10.1021/jp051315+

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