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Pure Appl. Chem. Vol.
73, No. 3, pp. 513-517 (2001)
Pure and Applied
Chemistry
Vol. 73, Issue
3
Protein dynamics detected by the time-resolved transient grating
technique*
Masahide Terazima
Department of Chemistry, Graduate School of Science,
Kyoto University, Kyoto, 606-8502, Japan
Abstract: Dynamics of two proteins [myoglobin and photoactive
yellow protein (PYP)] initiated by photoexcitation were studied by the
time-resolved transient grating (TG) and photo-acoustic methods. For
both proteins, the temporal profiles of the TG signals showed new features
that have not been detected before by the transient absorption method.
These dynamics were attributed to the volume change, which is caused
by the protein dynamics apart from the chromophores.
*Lecture presented at the XVIIIth IUPAC Symposium on
Photochemistry, Dresden, German , 22-27 July 2000.Other presentations
are published in this issue, pp.395-548.
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