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“The molecular docking and fluorescence spectroscopy demonstrate that CGA had a static quenching effect on rHSA with one binding site, and the range of K values was 7.14 × 103 to 1.56 × 104 M-1.”
“Binding of chlorogenic acid induces conformational change in HSA as indicated by quenching of fluorescence emission intensity along with a red shift in the emission maxima from 338 to 350 nm.”
“Far-ultraviolet circular dichroic data showed a decrease in the alpha-helical content of HSA from 56 to 50% upon binding of CGA.”
“These data are also supported by the decrease in the apparent Tm of HSA by 4 degrees C upon binding of CGA causing destabilization of the HSA molecule.”
“These high Ka-values showed that the interaction between CGA and HSA is strong, endothermic and entropically driven.”