The neutral and anionic semiquinone radicals of the flavin adenine dinucleotide (FAD) cofactor noncovalently bound in glucose oxidase from A. niger are examined with the aid of QM/MM molecular ...

In isolated, catalytically inactive, DNA photolyase from Escherichia coli (E. coli), the flavin adenine dinucleotide cofactor is in its neutral radical state FADH•. It can be activated by a unique ...