2003
DOI: 10.1016/s0009-2614(03)01339-3
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The stacked flavin adenine dinucleotide conformation in water is fluorescent on picosecond timescale

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Cited by 63 publications
(105 citation statements)
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“…FAD allows studying the effect of dimer stacking, as dodecin traps FAD from solution in a closed conformation, forming a tryptophan-isoalloxazine-adenine-tryptophan instead of tryptophan-isoalloxazine-isoalloxazine-tryptophan aromatic tetrade (6). Steady-state and transient spectroscopy of FAD in solution demonstrated a quenching of the excited state of the flavin by interactions with the adenine subunit in the closed conformation (17,(45)(46)(47). If for the quenching mechanism the second aromatic moiety is important, one should notice a difference in the transient data for the different bound cofactors riboflavin and FAD, respectively.…”
Section: Resultsmentioning
confidence: 99%
“…FAD allows studying the effect of dimer stacking, as dodecin traps FAD from solution in a closed conformation, forming a tryptophan-isoalloxazine-adenine-tryptophan instead of tryptophan-isoalloxazine-isoalloxazine-tryptophan aromatic tetrade (6). Steady-state and transient spectroscopy of FAD in solution demonstrated a quenching of the excited state of the flavin by interactions with the adenine subunit in the closed conformation (17,(45)(46)(47). If for the quenching mechanism the second aromatic moiety is important, one should notice a difference in the transient data for the different bound cofactors riboflavin and FAD, respectively.…”
Section: Resultsmentioning
confidence: 99%
“…Since in this solvent the preferred conformational state of the molecule is a stacked one, the fluorescence is highly quenched by the adenine group, interacting via an electron transfer process, leading to a fast decay [1, 4,5]. The corresponding distribution of the time constant values obtained by the regularized fitting according to Eq.…”
Section: Resultsmentioning
confidence: 99%
“…Ugyanakkor abszorpció kinetikai méréseket a molekula konformációjának változására vonatkozóan eddig még nem közöltek az irodalomban. [55,65].…”
Section: Koenzimekunclassified
“…Az irodalom alapján a szolvatációs válaszidő 800 fs körüli, amely a diffúz mozgást jellemzi vízben [162]. A ~800 fs-os élettartam és az alacsonyabb hullámhosszak felé eltolódott spektrum is a szolvatációs dinamikának tulajdonítható egy korábbi tanulmány alapján [55].…”
Section: A Fad Fluoreszcenciájának Mérése Különböző Mikrokörnyezetekbenunclassified
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