Photoexcitation dynamics of nitric oxide bound ferric myoglobin probed by femtosecond IR spectroscopy

Photoexcitation dynamics of nitric oxide bound ferric myoglobin probed by femtosecond IR spectroscopy

Time-resolved vibrational spectra show that photolysis quantum yield of NO bound ferric myoglobin is smaller than 0.86, the deligated NO geminately rebinds with subnanosecond time scale, and the rebinding kinetics depends on protein conformation.

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Veröffentlicht in:EPJ Web of conferences 2013-01, Vol.41, p.np-np
Hauptverfasser: Park, Jaeheung, Lee, Taegon, Park, Jaehun, Lim, Manho
Format: Artikel
Sprache:eng
Schlagworte:
Femtosecond
Infrared radiation
Infrared spectroscopy
Myoglobin
Photoexcitation
Photolysis
Proteins
Time
Vibrational spectra
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Zusammenfassung:Time-resolved vibrational spectra show that photolysis quantum yield of NO bound ferric myoglobin is smaller than 0.86, the deligated NO geminately rebinds with subnanosecond time scale, and the rebinding kinetics depends on protein conformation.
ISSN:2100-014X
2100-014X
DOI:10.1051/epjconf/20134107007