Interaction Scheme

Molecule

Cholesterol
Cholesterol

c = 25.0 µM

Host

Cb7
CB7

c = 15.0 µM

Indicator

Bc
Berberine chloride

c = 0.0 — 39.0 µM

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 8.13⋅105 ± 7.50⋅104 M-1
Kd =
logKa = 5.91 ± 0.04
T 25.0 °C 298 K
Energy kJ mol-1 kcal mol-1
ΔG = -33.73 ± 0.23 -8.06 ± 0.05
These are the specifications of the determination of the experimental results.
Detection Method: Competitive
Assay Type: Competitive Binding Assay
Technique: Fluorescence
𝛌ex = 463.0 nm
𝛌em = 570.0 nm
Detailed information about the solvation.
Solvent System Complex Mixture
Solvents water 99.5 %
ethanol 0.5 %
Please find here information about the dataset this interaction is part of.
Citation:

F. Biedermann, S. Sinn, J. Krämer, SupraBank 2022, Teaching old indicators even more tricks: binding affinity measurements with the guest-displacement assay (GDA) (dataset). https://doi.org/10.34804/supra.20210928361

Link: https://doi.org/10.34804/supra.20210928361
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Please find here information about the scholarly article describing the results derived from that data.
Citation:

S. Sinn, J. Krämer, F. Biedermann, Chem. Commun. 2020, 56, 6620–6623.

Link: https://doi.org/10.1039/D0CC01841D
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Binding Isotherm Simulations


The plot depicts the binding isotherm simulation of a 1:1 interaction of Cholesterol (2.4605375300130216e-05 M) and CB7 (0 — 4.921075060026043e-05 M).