Sulfite oxidase oxidizes sulfite to sulfate which is among the most important macronutrients in cells and the fourth most abundant anion in human plasma (300 micromolar). The enzyme has a molybdenum-molybdopterin cofactor (MoCo) bound (Wilson et al. 2006, Feng et al. 2007).
Wilson, HL, Rajagopalan, KV, Wilkinson, SR
Enemark, JH, Tollin, G, Feng, C
sulfite oxidase activity of holo-SUOX [mitochondrial matrix]
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