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Legrand, N., A. Bondon, G. Simonneaux, C. Jung and E. Gill (1995)
Substrate interactions in cytochrome P-450:
correlation between
carbon-13 nuclear magnetic resonance chemical shifts and C-O vibrational
frequencies.
FEBS Letts. 364, 152-156.
13CO NMR chemical shifts and 12CO infrared stretching frequencies have been measured for cytochrome P-450cam-CO in the presence of D-camphor and of various camphor analogues. A linear correlation between both parameters delta (13C) and v(CO) was found indicating that the steric and electrostatic interactions acting on the CO ligand are influenced by the substrate. It has been proved that P-450 complexes are on another line in this correlation than hemoglobins which is explained by the different proximal ligand.
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Wade et al. (1996) Fundamentals of Enzyme-Ligand Interactions in
Cytochrome P450cam
POPE5 Conference Proceedings
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