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Binding of harmane to human and bovine serum albumin: fluorescence and phosphorescence study

Identyfikatory
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The binding of harmane with human serum albumin (HSA) and bovine serum albumin (BSA) were studied by fluorescence and phosphorescence spectroscopic methods. Quenching of fluorescence of serum albumins by harmane was found to be a static quenching process. The equilibrium constant (K) of complex formation was found to be equal to (5.16±0.28)x104 M-1 and (4.32±0.30)x104 M-1 for HSA and BSA, respectively. It was found that the interactions of harmane with HSA and BSA were also in the excited triplet state. The determined bimolecular constant or triplet state quenching (kqT)of the proteins studied by harmane was (1.15± 0.10)x107 M-1 s-1 and (2.88±0.22)x107 M-1 s-1 for HSA and BSA, respectively. Based on the similar value of K and kqT for HSA and BSA, a possible suggestion is that, most probably, the binding site of harmane is located in the drug site 1 in the subdomain IIa.
Rocznik
Strony
3--12
Opis fizyczny
Bibliogr. 25 poz., wykr.
Twórcy
autor
  • Institute of General Food Chemistry, Lodz University of Technology, 90-924 Lodz, Poland
  • University of Sarajevo, 71000, Sarajevo, Bosnia and Hercegowina
  • Agricultural University of Athens, 11855, Athens, Greece
autor
  • Norwegian University of Science and Technology, 7491, Trondheim, Norway
autor
  • University of Newcastle Upon Tyne, NE1 7RU, Newcastle Upon Tyne, England
autor
  • Kyushu University, 8120053, Fukuoka, Japan
autor
  • University of Greenwich, SE10 9LS, London, England
Bibliografia
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  • 5. Ishida J, Wang HK, Masayoshi O, Cosentino CL, Hu CQ, Lee KH. Anti-AIDS Agents 46. Anti-HIV Activity of Harman, an Anti-HIV Principle from Symplocos setchuensis, and its Derivatives. J Nat Prod 2001, 64:958–960.
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  • 16. Ghuman J, Zunszain PA, Petitpas I, Bhattacharya AA, Otagiri M, Curry S. Structural basis of the drug-binding specificity of human serum albumin. J Mol Biol 2005, 353:38-52.
  • 17. Vayá I, Pérez-Ruiz R, Lhiaubet-Vallet V, Jiménez MC, Miranda MA. Drug-protein interactions assessed by fluorescence measurements in the real complexes and in model dyads. Chem Phys Lett 2010, 486:147-153.
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  • 20. Ghuman J, Zunszain PA, Petitpas I, Bhattacharya AA, Otagirl M, Curry S. Structural basis of the drug-binding specificity of human serum albumin. J Mol Biol 2005, 353:38-52.
  • 21. Bhattacharya B, Nakka S, Guruprasad L, Samanta A. Interaction of bovine serum albumin with dipolar molecules: fluorescence and molecular docking studies. J Phys Chem B 2009, 113:2143-2150.
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Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-38b88acc-4861-42f0-929c-7400cb929224
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