Article
Unusually strong H-bonding to the heme ligand and fast geminate recombination dynamics of the carbon monoxide complex of Bacillus subtilis truncated hemoglobin.
Biochemistry - 22 Jan 2008
Feis Alessandro, Lapini Andrea, Catacchio Bruno, Brogioni Silvia, Foggi Paolo, Chiancone Emilia, Boffi Alberto, Smulevich Giulietta
Abstract excerpt
The active site of the oxygen-avid truncated hemoglobin from Bacillus subtilis has been characterized by infrared absorption and resonance Raman spectroscopies, and the dynamics of CO rebinding after photolysis has been investigated by picosecond transient absorption spectroscopy. Resonance Raman experiments on the CO bound adduct revealed the presence of two Fe-CO stretching bands at 545 and 520 cm-1,...
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