Interaction

curated

Interaction Scheme

Molecule

Progesterone
Progesterone

c = 36.0 µM

Host

Cb7
CB7

c = 93.0 µM

Indicator

2 6 tns
2,6-TNS

c = 0.0 — 713.0 µM

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 5.89⋅104 ± 1.09⋅104 M-1
Kd =
logKa = 4.77 ± 0.08
T 25.0 °C ≈ 298 K
Energy kJ mol-1 kcal mol-1
ΔG = -27.23 ± 0.46 -6.51 ± 0.11
These are the specifications of the determination of the experimental results.
Detection Method: Competitive
Assay Type: Competitive Binding Assay
Technique: Fluorescence
𝛌ex = 405.0 nm
𝛌em = 550.0 nm
Detailed information about the solvation.
Solvent System Single Solvent
Solvent water
Please find here information about the dataset this interaction is part of.
Citation:

F. Biedermann, S. Sinn, J. Krämer, SupraBank 2024, 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 Progesterone (0.00033964870474117325 M) and CB7 (0 — 0.0006792974094823465 M).