Sulfur can adopt a wider variety of oxidation states than oxygen ... S-adenosylmethionine (SAM or AdoMet), which is formed by the reaction of methionine and ATP, is an important cofactor for ...

Details of the chemical reaction of oxygen with the [Fe-S] cluster reveal how this cofactor is used for oxygen sensing.

These enzymes catalyze various oxidation reactions, where electrons are released ... the phenoxyl radical is stabilized by a ...