1H-NMR study of diamagnetic cytochrome P450cam: assignment of heme resonances and substrate dependance of one cysteinate beta proton.
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Mouro C, Bondon A, Simonneaux G, Jung C
1H-NMR study of diamagnetic cytochrome P450cam: assignment of heme resonances and substrate dependance of one cysteinate beta proton.
FEBS Lett. 1997 Sep 8;414(2):203-8.
- PubMed ID
- 9315686 [ View in PubMed]
- Abstract
The 1H-NMR study of diamagnetic cytochrome P450cam FeII-CO has been performed for the first time. Chemical shifts of the cysteinate fifth ligand protons and of several heme protons have been assigned through 1- and 2-dimensional spectra at 500 MHz. A substrate dependance has been observed for the resonance of the cysteinate proton detected in the high-field region.