MoV electron paramagnetic resonance of sulfite oxidase revisited: the low-pH chloride signal
Date
2008
Authors
Doonan, C.
Wilson, H.
Bennett, B.
Prince, R.
Rajagopalan, K.
George, G.
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Journal article
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Inorganic Chemistry: including bioinorganic chemistry, 2008; 47(6):2033-2038
Statement of Responsibility
Christian J. Doonan, Heather L. Wilson, Brian Bennett, Roger C. Prince, K. V. Rajagopalan, and Graham N. George
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Abstract
Valuable information on the active sites of molybdenum enzymes has been provided by Mo(V) electron paramagnetic resonance (EPR) spectroscopy. In recent years, multiple resonance techniques have been extensively used to examine details of the active-site structure, but basic continuous-wave (CW) EPR has not been re-evaluated in several decades. Here, we present a re-examination of the CW EPR spectroscopy of the sulfite oxidase low-pH chloride species and provide evidence for direct coordination of molybdenum by chloride.
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Copyright 2008 American Chemical Society